RE: [RCSE] Discus thow pain?
Sure the bicep will be sore at first, especially if you are making the mistake of flexing your arm at release. Rick -Original Message- From: Dave Seay [SMTP:[EMAIL PROTECTED]] Sent: Saturday, September 22, 2001 5:36 PM To: [EMAIL PROTECTED] Subject:[RCSE] Discus thow pain? One of the big selling points of the discus throw, besides the extra height (and the jury is out on that in my case), is the reduced stress on the shoulder. However, I have a right bicep that is sore as hell and has been that way for 3 weeks. This may be from something else but the coincidence seems strange. Is anyone else having anything similar? Dave RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
RE: [RCSE] Don't do this
Don't bash your instincts, you're suppose to grab the handle silly. You were just to fixated on the blade. I'll tell you about dumb instincts and what not to do: when an xacto falls in between your legs, don't smash your thighs together, spread 'em! Rick I had just installed a new blade in my X-acto #2 holder. After a few cuts I sat it on the bench, and it began to roll. The first thing that went throught my mind was, oh no, it will hit the hard floor and break the tip of the new blade, as I instinctively reached out to catch it. Instincts aren't always smart. Ouch! A _very_ deep gash in my finger RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
RE: [RCSE] DLG Aileron flutter.
I was a big fan of the hs50, till Denny Maize turned me onto the little ball bearing Picco/GWS ball bearing servo. Uses a bit more current, but it weighs the same and is tighter and more powerful. With 2 ch, I still get 2 hr flying from a 150ma pack. Rick Has anyone successfully used the Hitec feather HS 50 servos for ailerons for DLG. I have the servos (CS10s) pretty far out in the wing already however I want to go out further. (Ailerons 22long servo out about 10 from root). The wing layup is 1.6 oz cloth top and bottom and so I'm thinking of maybe another layer over the ailerons maybe 3/4 oz top and bottom 1wide. Any other suggestions for this problem. Best Regards Peter Williams RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
RE: [RCSE] Composite wingrods
I don't know what you're trying to accomplish but: Competition arrow shafts are carbon over aluminum tubing. This produces the greatest stiffness per pound and also some added toughness over conventional carbon shafts, as I understand it. Rick --- Bonfiglio Tullio [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Hi, guys, Has any of you ever tried to build and use a composite wingrod ? By composite I mean a rod made by a carbon tube with a steel bar (closest diameter) epoxied inside, sorta of case hardened steel. Is the reverse (steel tube outside and carbon rod glued inside) also convenient ? RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
RE: [RCSE] NSP Omega as DLHGL?
For all those contemplating the same, get yourself a DLG kit. They really need to be purpose built to stand up. Keep the Omega as a javelin launcher. Javelin is still fun, if not as competitive. Rick -Original Message- From: Gregory A. Stewart [SMTP:[EMAIL PROTECTED]] Sent: Saturday, May 26, 2001 11:58 AM To: [EMAIL PROTECTED] Subject:[RCSE] NSP Omega as DLHGL? Has anyone considered converting one of the NSP Omega's to DL? I picked up one of these last summer later in the season and didn't get around to putting it together then. Now, DL is the rage and I have one very obsolete HLG. Reading some of what others have said and looking at it, I have hope. I think that the original v-tail may work ok as it is an aileron ship, but more likely I'll need to shorten the fuselage slightly and put on a regular rudder/stab combo. As for the wing, I think the composite LE/TE may be sufficiently strong... this is why I'm thinking this way at all. I'd expect I'd want to glue together the center section (instead of just bolting it onto the fuse) and add some sheet-fill reinforcement around the throwing peg area, perhaps filling in 2-3 tip bays with light balsa, along with a kevlar patch top and bottom. Thoughts? TIA! Greg Stewart (Minneapolis, MN, USA) RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
[RCSE] 8u tx F switch assignment help needed
Please, as soon as possible, I need an explanation of how the premix is set up to assign the F switch to a rudder prelaunch so I can get my Sidewinder up in the air. Thanx Rick RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
RE: [RCSE] Harley's been cloned!
These control horns have been in their catalog for at least several years. Rick Just saw something troubling on Hobby-Lobbies site: It looks as if there are some RADs clones coming out. Go here and search for this: CH901 Hidden Control Horns http://www.hobby-lobby.com/ You might have to scroll down a little bit to see them. Nathan Woods Orange, CA RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
RE: [RCSE] Kevlar Prices
It depends a lot on whether the supplier was able to get ahold of surplus material. You can't sell for 8.95 when you're payin 15-20 for 1.7oz, or as much as $80 (last time I looked) for 1oz. BTW, who is selling for 8.95 these days? Rick Could someone please explain to me the reason for such a difference in price in Kevlar? CST has 1 oz for $41.85/yd and 1.7 oz for $33.60/yd. Aerospace has 1 oz for $42/yd and 1.7 oz for $22/yd And I found a page that has 1.7 oz for 8.95/yard. All 38" wide. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] Weird Styrofoam, mailboxess etc No!
Don't go to Mailboxes etc, They are a ripoff. Go to your local post office or UPS, DSL or FedX, unless you don't mind spending twice as much. Rich I'm only going to make one trip to "Mailboxes, Etc." I think these are the only requests I'm going to answer on this. -Paul RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] Radar Gun - $100!
Those interested in radar guns http://www.ramseyelectronics.com/cgi-bin/commerce.exe?preadd=actionkey=SG7; reference=/cgi-bin/commerce.exe%3Fsearch%3Daction%26keywords%3Dradar%26sku%3 D%26searchstart%3D0%26template%3DTemplates\Ramsey-SearchResults.html http://www.ramseyelectronics.com/cgi-bin/commerce.exe?preadd=actionkey=SG7 reference=/cgi-bin/commerce.exe%3Fsearch%3Daction%26keywords%3Dradar%26sku% 3D%26searchstart%3D0%26template%3DTemplates\Ramsey-SearchResults.html Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
FW: [RCSE] Battery Failure?
The 6.35v should have tipped you of. A 5 pack should read around 7v fully charged. I'd say either the charger goofed, which happens especially with bad cells - or you had an internally shorted cell in the pack. Rick -Original Message- From: Ed Whittenburg [SMTP:[EMAIL PROTECTED]] mailto:[SMTP:[EMAIL PROTECTED]] Sent: Tuesday, April 03, 2001 10:37 PM To: [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] Subject:[RCSE] Battery Failure? Hi, Sunday I flew my new Maraj for the second time at Los Banos, 1st flight time 45 minutes no problems, about two hours later I recharged the JR 5 cell 1100 with my Hobbico charger until it said it was fully charged, I checked the voltage with my Hobbico voltage meter and it said it was charged to 6.35 volts. 2nd flight lasted only about 15 minutes, when I made a turn there was no response at the sticks, I checked the radio and it seemed fine so all I could do is watch my new plane go into the lake, luckly she floated to the edge but there is alot of damage to the wing. Later I checked the voltage and it was only at 1.32 volts. What do you think may have happened. Thank you Ed Whittenburg RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] A fully dischargeable winch battery
Go here http://www.allelectronics.com/cgi-bin/category.cgi?type=storecategory=160o rderby=INVENTORY%2Estore%5Fquantity%2CORGANIZATION%2Ecategory%2CINVENTORY%2E brand%2CINVENTORY%2Emodelstart=32 http://www.allelectronics.com/cgi-bin/category.cgi?type=storecategory=160; orderby=INVENTORY%2Estore%5Fquantity%2CORGANIZATION%2Ecategory%2CINVENTORY%2 Ebrand%2CINVENTORY%2Emodelstart=32 Order 6 of the 2v, 25amp Cyclon BC cells and hook them in series. They are desined to discharge at close to 1000amps, so I don't see why they wouldn't work fine as automotive batteries couldn't handle that. They can also be discharged down to their minimum 1.67vpc. These are top of the line Hawker gates cells, 3.7 pounds each. Ordinarily they sell for $25, but here for $5.50 (says used but they tell me they were taken out of new equiptment and never actually used). Rick -Original Message- From: D Hauch/ D Unruh [SMTP:[EMAIL PROTECTED]] Sent: Monday, April 02, 2001 7:24 PM To: [EMAIL PROTECTED] Subject:[RCSE] how to discharge a winch battery? Hey guys, Is there a way for me to total discharege my winch battery? I've never been able to drain it in a days worth of flying. And is this a good idea to drain it once in a while like a nicad? Apperciate any advice, Dave Hauch RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] Li-Ion safety for indoor flyers
Anyone have an idea if these batteries are safe for mild motored indoor flyers like the Lite-Stick, etc.? Are explosions a real possibilty? Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Charging NiMh's with Sirius Pro Charger?
Almost all fast chargers, including the Sirius, are capable of false peaks, on any battery type. The Alpha 4 may be as reliable for NiMh as it is said to be for NiCd, but it would not be fully automatic, it would switch from fast charge to a very high trickle. For rx packs then, I just bring several to swap out at the field. For all other charging needs, the Dymond Super Smart or FMA SuperNova will do. Rick -Original Message- From: Brad Willoughby [SMTP:[EMAIL PROTECTED]] Sent: Tuesday, March 20, 2001 11:59 AM To: soaring Subject:[RCSE] Charging NiMh's with Sirius Pro Charger? RCSE'rs, I'm currently using a Sirius Pro Charger for my NiCd batteries and I'm looking to get some new NiMh's: http://www.siriuselectronics.com/pro_ser.htm I've been looking around on the web, and it seems that most fast changers (Sirius included) were designed for NiCd batteries, and that NiMh's have a different charging curve which can cause quick chargers to damage the batteries. Anybody have any experience with this? Can NiMh's be fast charged with a Sirius charger? If not, what are Sirius owners doing? (Besides buying new chargers or staying away from NiMh ... hah, pre-empted the flames!) ;) Cheers, Brad Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] light makes right
Regardless of the size and total mass of a ship, the tail and wing tips can never be too light. This is why the effort was made to find a supplier to produce a stiff, 27", 13gr carbon tailboom for the Allegro 2-meter. Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Vacuum pump
It is probably a "High Vac" pump good to maybe 50 microns vacuum. If the pump looks like a lawnmower engine, then it is. Use a big resevoir, (old propane or freon container) so it will cycle minimally. I have about a half dozen similar at my disposal, never considered throwing any of them out. Rick -Original Message- From: David J. Schat [SMTP:[EMAIL PROTECTED]] Sent: Wednesday, February 14, 2001 3:03 PM To: [EMAIL PROTECTED] Subject:[RCSE] Vacuum pump I recently came in possession of a vacuum pump and I need to know if it is worth keeping (no I didn't get it at the midnite vacuum pump supply). It's a almost new (I say "almost" as it looks brand new but I don't know if it's been used, the oil in it looks new) Boekel Hyvac #91306 with a Craftsman model 113.12029 1/3HP 1725 RPM no vacuum switches or anything, just a pump and motor. What's the opinion for this thing? RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Vacuum pump
760 torr=1atmosphere=14.5psi, 1/760x.0001= Peg any Dialguage Vacuum! Rick -Original Message- From: David J. Schat [SMTP:[EMAIL PROTECTED]] Sent: Thursday, February 15, 2001 2:37 PM To: [EMAIL PROTECTED] Subject:[RCSE] Vacuum pump I found info on it but need some translation... it has a spec of GUARANTEED ULTIMATE PRESSURE (millitorr) of 0.1 but no spec on inches Hg Anyone know what this is? RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Lithium Ion Battery Charging
That sounds like one Super buy. For that money I'll pick one up as a spare auto-charger. -Original Message- From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]] Sent: Friday, February 09, 2001 9:26 AM To: [EMAIL PROTECTED] Subject:RE: [RCSE] Lithium Ion Battery Charging I'm going to try out the evaluation board for the National Semiconductor LM3647 universal battery charger. $59.00 US. I have it, but haven't played with it yet. http://www.national.com/pf/LM/LM3647.html Auto-adaptive fast charge High-resolution, accurate voltage monitoring prevents Li-Ion undercharge or overcharge Fast charge, pre-charge and maintenance currents are provided. Different currents are selectable via external resistors. Fast-charge termination by [Delta] temperature/[Delta] time, maximum voltage, maximum temperature, negative [Delta] voltage and maximum time Dynamically detects battery insertion, removal, short circuit and bad battery without additional hardware Supports charging of battery packs with 2-8 cells of Ni-Cd/Ni-MH or 1-4 cells of Li-Ion (1 cell of NiCd/NiMH can be supported by added external 2x voltage amplifier) Three optional LED indicators and Buzzer output indicate operational modes Ni-MH/Ni-Cd charge mode, Li-Ion charge mode or discharge mode can be selected manually Supports control of current feedback power supply and constant current power supply ~Barry Murrill -Original Message- From: SailplaneBoy [mailto:[EMAIL PROTECTED]] Sent: Thursday, February 08, 2001 9:19 PM To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: [RCSE] Lithium Ion Battery Charging Hey Gang, I have some 3 volt Lithium Ion batteries that I love. The Only Problem is that I have no way to charge them. I've seen Shredair's Orion Charger, but its out of my price range. Does anyone know of a good lithium ion charger for under two-hundred dollars, or even under one hundred dollars? I'd love t know where I could get one in my price range. I would never have to charge at the HL field again. Thanks, Erik Alber "The Resin Head" http://SuperSailplanes.freeservers.com http://NuanceHLG.8k.com RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Fwd: PGE - Impressive Information
What is obscene about Ca utilities is the financial juggling and chicanery that the parent companies did to make it appear as though their supply companies were loosing money, while in actuallity huge profits were transfered from the one to the other. I Guess those head officer bonuses are well warrented. Well what are youuu gonna to do about it, Ca? Now as far as athletes are concerned and the salary problems facing franchises, it's supply and demand. Myself and a number of my collegues have tried to convince management that there is indeed a way to take care of the supply problem, but so far we haven't heard back, and it's been a while. Can't blame that one on me. Rick -- From: John O'Sullivan[SMTP:[EMAIL PROTECTED]] Sent: Friday, February 02, 2001 4:36 PM To: [EMAIL PROTECTED] Subject: Re: [RCSE] Fwd: PGE - Impressive Information Marc Webster wrote: check this out. If this is true, than screw the power companies Subject: Fwd: FW: Electricity Bull The Sacramento Bee, January 15, 2001... Southern California Edison's CEO, Mr. John E. Bryson's salary for 1999 was $999,000.00 His bonus for 1999 was $1,260,000.00. Robert D. Glen, CEO of Pacific Gas Electric earned well over $2,000,000.00 in salary and bonuses for 1999. The poor guys are hard done by. Just think!! - a whole order of magnitude less than what Baseball and Basketball players are paid and nobody complains about that. Shows where priorities lie. And speaking of what sports salaries are, how come we model sportsmen and women don't qualify for big salaries too. Right now I'd just settle for a job. Such is life. -- John O'Sullivan Nova Scotia Wind and Wave Models http://members.nbci.com/WindandWave/ RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] HLG throwing technique (looong)
Yes, from first hearing I knew myself and everyone else would be doing it. But there is still a number of things very satisfying about being able to throw well overhand, though they may all but disappear from memory. Rick -- From: Joe Jan Wurts[SMTP:[EMAIL PROTECTED]] Sent: Wednesday, January 31, 2001 2:37 AM To: RCSE Subject: [RCSE] HLG throwing technique (looong) Skypilot forwarded me some email on the HLG throw technique thread. Not quite sure if I should be spilling the beans here... :-) But, if you're going to play HLGolf in Phoenix, you'll be seeing me playing with a new technique. Okay, it's not really new, but it is for me. It involves grabbing the wingtip, and whirling around, and letting go of the wingtip. The average person should be able to double their launch altitude compared to their javelin throw in equivalent conditions (this assumes that the plane is designed for tip launch, which has a few quirks to it). RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Charger/Cycler
No, do not trust the Dymond charger for 110ma packs. It will not cycle them, and I can't say how well it will peak them. Of course the Alpha will do. I don't know of any other auto chargers that will do for 3-cell packs in this range. I have always done well with a wall wart and timer. Rick -- From: Bob Johnson[SMTP:[EMAIL PROTECTED]] Sent: Thursday, February 01, 2001 10:23 AM To: B R; [EMAIL PROTECTED] Subject: Re: [RCSE] Charger/Cycler Can someone recommend a charger/cycler for 3 cell/ 110mAh batteries? Brian, Take a look at the Super Smart Charger from Dymond Models. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Sirius Chargers?
The Super Nova is useless for cycling 110ma packs. I don't like it's 500 mA discharge rate for cycling receiver packs. This just seems a bit high to me, as I like to discharge at roughly the same rate as actual use (250 mA is typical for me). The battery experts say the high rate is not a problem for small packs, though it may cause the reported capacity to be a little lower than when in actual use. All in all though, the FMA Supernova it a great product. -- Andrew E. Mileski RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Need help finding small dia. titanium rod
Good point, other than the effort involved, there is no reason why a micro-sized rectangular carbon joiner and box cannot be constructed. The process is well explained in Mark Drela's plans for the composite Allegro Rick Why not make (carve) a little mold - the shape of the desired joiner - and fill it with carbon fiber and epoxy? I have not done this so it may not be practical - but, I bet it has been tried. (I would.) Regis Titanium is actually twice the weight of aluminum, 2/3 that of steel. Its bending is modulus is I believe also 2/3 that of steel, .094dia might not be adequate even for steel. So you really can't realize much of a weight savings from it in this particular application. 0.125dia music wire is about right for the job I think, that size in titanium might also do. Check for a local supplier, he might sell you an end piece. Try to get both hard and soft grades. 3/16 alu would do, but 6061 is soft and will easily take a bend set, 7075 is hard to find in anything under .5", leaving you to machine it down. But, all this said, a 3-4"lg x 3/16dia carbon rod should be able to accomodate the diehedral break on a typical polyhedral HLG wing. Rick Does anyone know a source for titanium rod/wire in approximately 3/32 inch diameter equals about .093 inches equals about 2.3 to 2.4 mm, or somewhat smaller even? Intended use is a bent two-piece wing connector for a HLG wing that has a dihedral angle too great for a straight carbon fiber rod-in-tube or tube-in-tube. Since titanium is as strong as steel but lighter than aluminum, it seems like good stuff for this application. The smallest Small Parts has is 1/4 inch. Another desireable solution would be a carbon fiber rod that size with the correct bend, but is finding that impossible? Suggestions welcomed. TIA Al Nephew fending off GPS in Duluth, MN RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] HS50 amp draw
OK, at Jon's behest, I have done a more thorough test. For 2 HS50 servos and a Hitec 555 rx, current measured at idle: [EMAIL PROTECTED] [EMAIL PROTECTED] 30.0ma@6v This slight reduction in drain at lower voltage actually coincides with what Don Stackhouse mentioned to me. The reciever alone drew a steady 11.4ma throughout this range. My equiptment isn't really set up for instantaneous readout, but gentle jiggling of the sticks drew around 100ma. I feel that 45-150ma is probably the range of what these servos draw when we are making small corrections. A sharp rudder elevator input showed spikes of as much as 1.79amps, but the actual figure is probably higher. Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Help with AutoCad
I never tried it, I don't know for sure if acad13 can accept bmp files, but I would think so because it can do rendering. It can accept dxf files. Unfortunately I lent my manuals out and drafting is closed right now. I'll see what I can find, but there are some Acad heavyweights out there on the exchange who should answer this. Rick -Original Message- From: S Madjanovich [mailto:[EMAIL PROTECTED]] Sent: Saturday, December 09, 2000 11:55 AM To: soaring mailing list; RC Ducted Fans and Jets; E Flight mailing list Subject: [RCSE] Help with AutoCad I am trying to import a scanned image into AutoCad. I am trying to import a scanned image of an aircraft drawing. I can scan the image and save it in a variety of formats. When I try to import or open the image AutoCad will not do so. I am using AutoCad LT 98 and AutoCad R13. If any of you have experience and can hold my hand step by step through the proceedure it would be greatly appreciated. Stephen Ontario Canada RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] A better landing technique (for me)
When viewing the plane head on you have to rely almost entirely on depth perception, which in the vast majority is relatively poor. Another point is visual acuity. We actually see a clearer image if we turn the head and view slightly from the side. It is known that birds of prey view their target in this way. On another topic you may find interesting concerning visual and spacial perception error: I am told from a reliable source who worked with the club that 30 yr ago an executive on the Royals baseball club was a PHD physicist and initiated a study. What he discovered was that half the hits in baseball were due to "double error." That is, the hitter was mistaken about where the ball was, and also where his bat was, the 2 errors cancelling eachother out and producing the hit! The hits came when the ball crossed a particular zone (different from player to player), and they refered to this as his "Double Error Zone." Now the individual telling me this had already developed an ingenius method of correcting these perception errors, making the hitter more consistant, and it worked very well for the Royals Baeball Academy (name of their AAA team) for 4 yr. But the coaches took offense at the fact that the inventor came from outside of baseball, so that when some management changes came around, he was dropped. To this day the Garver Method is virtually unknown, other than the Orioles ball team inviting him down for one week in spring training (or at least they used to). Rick When practicing spots the other day I tried standing not straight in front of the spot, but in front and off to the side of the spot a bit. It seemed to give me a better perspective on exactly where my plane was in relationship to the bullseye(100 point mark) than when standing directly in front of the spot where one is only viewing the plane head on. It takes a little getting used to but seems to give a better view of the entire landing procedure when your plane is on final, especially those last 5-10 yards. Any one tried landing like this? RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Thermals / Winter
Went out at lunch today, High temperature was 37. The sun was out and the lift was great... I am out in Colorado, We do fly all winter, Charlie I wouldn't use the term "We" loosely here in the Northeast, but I think there are a couple of us out this way who fly all winter. Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Thermals/Winter
The rules I can follow for a full, (winter shortened) day of cold weather flying are min 28deg with the wind blowing, min 20deg calm. This is HLG weather for sure. Not that much diference thermalling between 0deg and what you're used to seeing (scientifically speakin, I think that is because your Delta T's are about the same), it might lead you to wonder why you never tried it. Dead air hang times are actually something, and what a tiny breeze will get you in that dense air. Rick It s good to see the response from people who do fly all winter... I think as long as my hands don't freeze solid. I can live with some cold In colorado. The weather is always clear, with 325 sun days a year Besides,, working all sorts of lift,, not only the good stuff in the summer. betters my soaring ability Hope everyone is having fun Charlie We need to hear from our resident cold weather guru, Professor Al Nephew of Duluth, Minn. Whenever I see him at the IHLGF, there is always a puddle of melted water around him. He says he is hot, but I suspect he is just thawing. As I recall, Al once said he thermaled a glider when the temperature was below 0° F. JE -- Erickson Architects John R. Erickson, AIA RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] 3 R's Video, Canders comments
The reason that pro athletes are so inconsistent, and so few excell, is precisely because they have little conscious understanding of what they are doing. I believe this is what you are trying to express. The greater your conscious understanding, the greater can be your consistancy and progress. Notions about genetics [playing the key role] are greatly over rated. I have spent the last 10 years trying to convince pro ball teams that you can in fact train athletes in a systematic and definite manner. Unfortunately this task is almost like trying to get a mongroloid child through high school! No geniuses in pro sports to say the very least. Rick It just explained things in a clear, concise way that brought together all the things I knew but didn't realized it. But knowing and doing are two different things :-( RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Sloper pushrod question
First I can tell you that .036 dia carbon rod is stiffer than .032 music wire. Secondly, I have ordered .030 and .040 carbon rod from 2 different sources - and the .030 was actually .026, the .040 actually .036. I do not believe this is not due to tolerance error as the rods were apparently centerless ground and all identical. Now, does anyone know a source for .030 and .040 dia CR that is actually .030 and .040 dia? Rick -- From: [EMAIL PROTECTED][SMTP:[EMAIL PROTECTED]] Sent: Tuesday, November 07, 2000 12:53 AM To: [EMAIL PROTECTED] Subject: [RCSE] Sloper pushrod question My 120" sloper came with 1/32" carbon fiber pushrods for the elevator and rudder. They are pretty stiff, but lately I've been hearing of people using steel music wire for pushrods in this sort of plane. Would this be better then the carbon fiber? Weight really isn't too much of an issue, btw. What diameter of steel is typically used? On my plane, it wont be a totally straight shot to the elevator bellcrank, so the push rod will have to gently transition from running on the side of the fuse to the bottom of the tail boom as it goes into the tail. If I use metal rod thin enough to negotiate this curve, will it defeat the purpose of using the steel? Finally, what's the best, zero-slop way to hook up the bell crank? z-bend, nylon clevis, metal clevis, etc.. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] Teflon tube
Haven't looked at prices lately, but I beleive Ain plastics and many other suppliers sell 1,000' spools of teflon spagetti tubing for less than $20. Pick your id, wall thk comes heavy or light. Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] RE: [Allegro-Lite] Wood list, hard balsa
I have bought 15# balsa from Lonestar. They can get it, but don't ordinarily stock it, though they got it to me fast. Superior balsa certainly has it. Unresolved: Lonestar does not have a "hard" grade. We need the 3/16" 16# wood, and the 1/16 x 3/16 TE edge strip, also very hard. It may be necessary to select these from a hobby shop. For example, any "Pactra" brand wood should work :-). Comments? -- eGroups Sponsor -~-~ eGroups eLerts It's Easy. It's Fun. Best of All, it's Free! http://click.egroups.com/1/9698/3/_/_/_/972801198/ -_- To unsubscribe from this group, send an email to: [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] Dymond charger
I had a chance last night to throw a single and a 3 cell 110ma NiMH on the Dymond. I did not like the looks of these initial readings. This is not an adequate test, but I would not have you run out at this time and get this charger for small packs. I will follow this up. Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] RE: Can you take out warp in Fiberglass wings?
That's ok if its a full span twist. I accidentally twisted my wing, as you describe, without any heat. But often it is just part of the trailing edge that warps, consequently needing localized heating. I really liked the hot water method posted yesterday. Rick -- From: [EMAIL PROTECTED][SMTP:[EMAIL PROTECTED]] Sent: Thursday, October 12, 2000 7:23 PM To: [EMAIL PROTECTED] Subject: [RCSE] RE: Can you take out warp in Fiberglass wings? This may seem a bit tedious but worked for an open class ship of mine. I built an insulated box from plywood(1/2") and 2" EPP foam. (The foam was on the outside) I installed 3 or 4 - 100 watt bulbs in the box, suspended from the inside top of the box, evenly spaced. Next, I put the wing in the original foam beds that they were cut from. Then I blocked up the wing so as to remove the warp, using some old balsa trailing edge stock and telephone books.(I over-tweaked the wing a bit for "bounce-back") I sealed the ends of the box and turned the lights on and left if for 24 hours. Then I turned off the lights off and let the wing cool for 24 hours in the box, still blocked in. Voila! A straight wing! Good luck, Kevin Andersen RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Mark Drela design
I don't think it would be nice to give Mark the clap. T I'll second that Rick Karlton Spindle wrote: Yup lets all give him the clap he devisers :) RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Flex Shaft RDS V-tail
If you must try RDS on your tails, try torsionally rigid, spiral wrapped cf tubes (such as SkyShark P-100, 200, etc) and universal type joint/metal diaphram coupling. A leaf spring type flex coupling consisting of 1 or 2 U shaped pieces might do since you only need around 60deg rotation. Rick -- From: Scott D. Wathey[SMTP:[EMAIL PROTECTED]] Sent: Thursday, October 12, 2000 10:04 PM To: [EMAIL PROTECTED] Subject: [RCSE] Flex Shaft RDS V-tail Hi all, I was thinking of using a flexible control cable coupled to RDS for controlling V-tail surfaces in a built-up 2-meter. I would mount the servos in the normal location, only with the RDS coupler pointed toward the rear of glider. Has anybody had any experience with this type of installation? Your input is appreciated, Scott Wathey Tempe, AZ Go ASU RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] HLG Question
My MDL wing wieghed 108gr out of the box, 113gr (3.985oz) after drilling mounting holes. (No offense to Tom, he may have started with a heavier wing). I figured I used about 1gr more glass than I needed. Yes, people really over do the joining. The Monarch wing is 410sq". Many ships today are 370 or less, so wings 3.5oz and under are common. The Charles River club site has a lot on laying up and bagging HLG wings. Rick -- My Monarch D-Lite wing was 4.55 oz, assembled, joints glassed and ready to mount. How much do 60" HLG, composite wings weigh without servos. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Aramid/CF material (slightly OT)
What? The owners manuals didn't say, "Do not store in sunlight"? there new Kevlar contraptions some people where noticing a certain amount of sag or flex with their boats sitting on trestles or trailers or when lots of power was put into the riggers, the reason was that after 6 months in UV Aramid/Kevlar cloths loose 50% of their rigidity and all the load was being taken by the carbon which was now RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] NSP
For those who have expressed disatisfaction with Sal and NSP, I would like to comment: To hold onto what little sanity he has, Sal believes that the required treatment is to ignore all expectation of consideration by way of customary courtesy. Now I ask you, how can any good Christian begrudge a man his sanity? It may be sticking my neck out in this case to play Devils Advocate, but: Really, I have not found the guy so bad to deal with. And he really does try to be helpful, in his own way. He gives good advice, which he doesn't like having to repeat. His attitude can even be a little self depricating in this respect - it seems that he feels that if you need his advice, you couldn't possibly know anything. He may or may not answer email, I don't know, but he does answer the phone, unlike many others who own a distributorship. Rick RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] Wing bolt tenacity?
If the wing is properly seated in the fuse saddle, then it would take a good hit just to shear 2 #4-40 nylon screws, which are better mounted at LE and TE. But you do a lot of landing flying HLG, so learn to do them soft and supress all urges to turn around when flying downwind and low. It really is much easier to shag than repair! From: Bill Harris[SMTP:[EMAIL PROTECTED]] Sent: Monday, September 04, 2000 6:42 PM To: [EMAIL PROTECTED] Subject: [RCSE] Wing bolt tenacity? I've been flying the Chrysalis HLG a lot and am starting to get the hang of it. One bad habit that I've working on is flying too low and too slow and stalling at about 2' altitude and making a mini-dork landing. No damage, but there is a tendency to shear one or both of the rear wing bolts. I have two 6-32 nylon bolts at the spar and two 6-32 nylon at the TE stock and evidently there is enough lift or twist to shear these rear bolts at the fuse mounting block. This has been the only damage from these hard landings. The obvious solution would be to quit the dork landings, but I wonder if this might be an indication that these bolts are undersized and might be in jeopardy of shearing on a really hard and "proper" throw in the future. It would be no problem to upgrade them to 8-32. Other than that, gotta love it... --Bill RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] charging 3 cell and low mAh battery packs??
For one, 50ma packs are history, 4gr-110ma and soon 3.3gr-120ma NiMH cells are available from TNR, and they're cheap! There are lots of useable sizes available up to 720ma. And be sure your ship will balance at that weight. For instance, a Monarch D-Lite requires about a 40gr pack to balance with a 12gr rx and HS50's at 5.5gr each. I finally settled on 2 2/3AA-430ma Tadiran LiMg cells with 2 diodes in series to drop the voltage (25gr total). A standard wall charger will do fine for these small batteries. Believe it or not, their voltage actually adjusts. With a three cell NiMH pack, the votage read was 4.8, just right for a 3-cell that will actually be 4.2-4v at full charge. If you use a digitally controlled charger that is not set up for 3 cells, you cannot leave it on the charger after it has peaked, the chager will continue to try and pump the pack to 5+ volts. Its nice to have an Alpha charger, I almost bought one a couple years ago when the price was $180 and the wait just 6 months. But I have made do very nicely with the wall charger. Rick -- From: Frank[SMTP:[EMAIL PROTECTED]] Sent: Saturday, August 12, 2000 6:01 PM To: soaring group Subject: [RCSE] charging 3 cell and low mAh battery packs?? How do you charge a 50 or 110 mAh 3 or 4 cell battery packs?? I will be getting an Alpha 4 in October but will be looking to fly my hand lauch glider before then. I assume it will be charged at the C/10 rate but how do you ajust for having only 3 cells?? I wiill be ordering batteries soon and will b looking at 3 or 4 cell packs depending on the required weight needed to balance the plane. Where can I get a 3 cell pack and/ or a charger that will be able to handle that small of a pack/ battery configuration (3 or 4)?? I aslo own a Hobbico quick field charger and a digipulse. The digipulse I think can charge the 110mAh pack but not the 50mAh. what do I need to do to charge a 3 cell on these, if possible??? Can I use the Hobbico at the field?? I am uneasy b/c the field charger charges at a rate or 800mAh for thr Rx pack and can only be set for 4.8 or 6.0 packs. Please help Frank RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
FW: [RCSE] Electric Prop question....
-- From: Walba, Rick Sent: Wednesday, August 09, 2000 3:16 PM To: '[EMAIL PROTECTED]' Subject: RE: [RCSE] Electric Prop question How much are you willing to spend? There was a company out there that tried to market an in-flght adjustable prop for the Giant Scale rc racers. It couldn't handle the abuse. Check with the big names in that game and they could probably give you the name of the company. Then all you have to do is come up with the cash. Then again, If you can do your own machining, an IFA prop is not that complex. The indoor rubber flyers have a design they use, the mechanism itself weighing a fraction of a gram. No one markets it that I know of, but the guy who manufactures and markets their rubber strippers made one that I saw in operation, it adjusts automatically by spring tension. Beefed up a little it would be great for a park or indoor flyer. Again, check with those guys for details. Some names can be had from the AMA magazine. In all seriousness, good luck and good fun, Rick -- From: Paul Breed[SMTP:[EMAIL PROTECTED]] Sent: Wednesday, August 09, 2000 2:53 PM To: [EMAIL PROTECTED] Subject: [RCSE] Electric Prop question I know this is not a soaring question, but many of you silent flyers also fly electric ;-) Does anyone make an in flight adjustable prop for a small geared electric? Does anyone make a ground adjustable prop? Paul RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
