[aus-soaring] Airfoil co-ordinates

Hi everyone, Does anyone have the co-ordinates for the HQ 14/18.3, HQ 17/14.38 (ASW22 ASH25) or HQ 21 airfoils?? If so I would appreciate getting a copy of them. I am also interested in getting hold of any of the DU series of airfoils. Regards Anthony -- * You are subscribed to the aus-so

[aus-soaring] Mecaplex agent in Australia?

Hi everyone, I am after a number (at least two, maybe four) of the rectangular sliding 'clear vision panel' windows that are fitted with fold out air scoops. Is there an agent for Mecaplex in Australia? Alternatively does anybody have stocks of these on the shelf? Thanks, Anthony --

[aus-soaring] Metric steel tube wanted

Hi everyone, I need a length (315mm at least) of metric steel tube: outer diameter 26mm, wall thickness at least 1mm (thicker is OK). Any of the 'falke owners (or similar German/metric steel tube a/c) out there have a left over piece from repairs that I could acquire? Thanks Anthony Bergfal

[aus-soaring] Exploring an idea

Hi everyone I picked up my new clear vision panels, complete with air scoops, from Ian Linke this evening and I will fit them to ZQ later tonight. He has done an excellent job and I highly recommend his work to anyone. Whilst at his place, I showed him a picture of an aircraft control stick gri

[aus-soaring] The great escape

Not alcohol related but supposedly a true story: Boeing was testing the 737-400 for passenger emergency escape. The Boeing volunteers had to all get out of the aircraft in 45(?)seconds (I will have to check the certification on that one... 45 seconds was the requirements the RAAF used for their

Re: [aus-soaring] Microair VHF Radio

I am not a radio expert, but metal aircraft often have funny transmission / reception patterns depending on the antenna location and its interaction with the base plane (ie the aircraft skin). I know AUGC's Puchatek has a few angles (sectors?) where reception and transmission are not as good a

[aus-soaring] 'Sailplanes Vol 1 1920 - 1945'

here may even be a discount on the book for a bulk order... Regards, Anthony Forwarded Message: > To: Anthony Smith <[EMAIL PROTECTED]> > From: EQIP <[EMAIL PROTECTED]> > Subject: Re: 'Sailplanes Vol 1 1920 - 1945' > Date: Tue, 05 Jun 2001 08:59:39 +0200 > -

Re: [aus-soaring] Rope launching - what we have learnt

For those really, truly interested: Plasma or 'Spectra' rope technology was developed for NASA to tether astronouts to spacecraft. Apparently it is now the in thing to have on your 4WD winch. E-mail (home): [EMAIL PROTECTED] Phone (home): (08) 8269 2687 - Original Message - From: Jason

[aus-soaring] Preparing for Australian height records?

Hi everyone, Since the subject of hypobaric chamber runs has come up in this discussion: Where are people presently going to do hypobaric chamber runs (ie experiencing the effects of being at 25,000 ft without oxy by being in a big steel can with two thirds of the air sucked out of it)? I hav

[aus-soaring] Steve Gray?

Hi all, Does anyone have the contact details (e-mail preferrably) for Steve Gray, recently of Adelaide Uni Gliding Club, now living in Canberra?? Thanks in advance, Anthony -- * You are subscribed to the aus-soaring mailing list. * To Unsubscribe: send email to [EMAIL PROTECTED] * with

[aus-soaring] Oops: [augc-people] Twin overloads

Yep I goofed. It was supposed to go to Simon before everyone else got to see my ranting and ravings Doh! > Hi Simon, > > I typed this up this morning, but I am having second thoughts about it. > Perhaps a second opinion is warranted before I send it out to the big wide e- > world. I sta

[aus-soaring] Strategic Planning

Hi everyone, AUGC is holding its annual strategic planning night in a couple of weeks time. This process was started around 12 months ago with the drafting of the clubs strategic plan. It is now time to review and improve it. A brief perusal of the web pages shows that DDSC recently held a s

RE: [aus-soaring] Iranian sailplanes

The design of the twin may very well be based on a K21. Certainly the forward fuselage looks to be exceedingly similar. But then they may have adapted the design to their own use. The K21 has quite a (relatively) old wing on it. It is to all aerodynamic intents and purposes identical to the

RE: [aus-soaring] : Non-member submission from["McDonnell, Christopher (IRCC/WCT)" ]

The Herc landed and taxied in (all under its own power) whilst I was out on the tarmac in the bomb bay of a P-3 at Edinburgh. No sign of any modification to fit an impromptu nose release It has shades of an international competition to build a reusable space vehicle for space tourism. One c

RE: [aus-soaring] Manmade Thermal?

This made the Adelaide papers a few months back  It has a 1000m tower with a 15m/s core speed.  Here is the blurb that I put in Adelaide Uni GC's Jan newsletter (www.augc.aus-soaring.on.net) and the companies web page:   A few years back in the March 98 newsletter I wrote a short article

[aus-soaring] Pneumatic connector

Hi all I have seen a number of newer aircraft around that have the instrument panel connected to the pneumatics (ie static, pitot, TE and flask plumbing) by a four tube connector. It looks a little like a 4 pin canon plug but with 4 pneumatic tubes rather than wires. Anyone know if these are re

[aus-soaring] Improving gliding

Hi all, I really didn't want to get too involved in the 'GFA sniping' discussion, but was quite content to see if any good ideas came out of it. - >You seem to believe (from earlier posts) that people only become >instru

[aus-soaring] Improving gliding

Ooops let's try that again shall we. Hi all, I really didn't want to get too involved in the 'GFA sniping' discussion, but was quite content to see if any good ideas came out of it that could be applied to AUGC. However, Mike's comment below has prompted my opinion below..

RE: [aus-soaring] Starting them young

--- He said he'd seen quite a number of occasions where members had started their kids around the same age as Jos. Because of the aptitude of the young they get to quite a high standard, perhaps solo standard, well before they're

RE: [aus-soaring] Not gliding, but interesting ground-effect aviation

An interesting beast providing that you want to go in a straight line! The ekranoplanes and othe WIG craft have a turn radius measured in kilometers. I am reliably informed that the 'flightship' is no better. The Soviets decided it was quicker to land, turn the aircraft to a new heading and then

[aus-soaring] K-13 trim cockpit controls

Hi everyone, Anyone know the whereabouts of a broken K-13? I am interested in acquiring the cockpit trim control levers for both the front and rear seats (and the length of bowden cable between the two levers). Alternatively, anyone know of a similar bowden cable lever setup for a two seater

Re: [aus-soaring] Aerospace Engineering Qualiifications

work experience and similar, but I am not sure what the current situation in South Melbourne is, so no guarantees unfortunately. Alternatively, contact me independant of the list for other aero companies in the defense industry in Oz. Best of Luck, Anthony Smith Base Structures Engineer - Edin

RE: [aus-soaring] Puchacz mainwheel braking.

I'd certainly be interested.  It has been suggested before to fit such a kit to AUGCs and my Bergfalke 4.  My Bergfalke has been modified to having the handbrake on the column using motorbike brake handles, via a cable to the wheel.  AUGCs has been modified to remove the wheel brake from the end o

Re: [aus-soaring] New Gliding Record

PS- (Anyone go gliding on the weekend.) Yep! Justine and I spent a lovely 2 and a half hours together, soaring in my Bergfalke 4 at Lochiel on Sunday. Thermals to 3,500' and moderate ridge lift meant a very pleasant winters afternoon. We did a short cross country up the North Hummocks Ra

Re: [aus-soaring] Maurie's funeral

It's probably too soon for the details yet. I'm sure that the arrangements will be announced when they are available. > >Does anyone know date and time of Maurie's funeral > >Bob Ward > > > >-- > * You are subscribed to the aus-soaring mailing list. > * To Unsubscribe: send email to [EMAIL PR

Re: [aus-soaring] Home Made Gliders

OK, I'll take the bait. I'll try to be constructive and positive, but it is probably going to be a bit negative in a few places. Myself and another fellow aero engineer in Adelaide are considering some of these possibilities. Following on from the numbering of the first e-mail: 1. The Platupu

Re: [aus-soaring] Home Made Gliders

I'll bite yet again. (Colin C is doing really well with pushing some of my buttons) See if you can get someone (campaign the GFA to do it perhaps?) interested in setting up a design 'competition' (be carefull in the use of the word competition') Set a goal: eg affordable (you will need to defi

[aus-soaring] Still more on home-builts

Hi all, Colin C is eerily close to some details of Redmond's Rocket: especially the fibreglass panels over a steel tube fuselage, but also with the removeable engine and extendable wings and _possibly_ aero tow capability. His e-mail prompted a different line of thought today at lunchtime. That

RE: [aus-soaring] Still more on home-builts

.. well maybe a kitten). I'm sure he'll ear bash me on the airfield on next Saturday arvo. Anthony At 04:35 pm 18/09/02 +0930, you wrote: > > -Original Message- > > From: anthony smith [mailto:[EMAIL PROTECTED]] > > > > Hi all, > > > > &g

RE: [Aus-soaring] JoeyGlide 05

I understand that there is a performance cut off for the comp? You want at least Std Libelle performance or similar?   AUGC has a Club Libelle which therefore can’t compete and this is the aircraft that most of AUGC’s juniors fly.   I reckon I know at least one person who was turned of

RE: [Aus-soaring] JoeyGlide 05

nd an AUGC Junior that wants to fly your Club Libelle at JoeyGlide, send them along!   Nick.     - Original Message - From: Anthony Smith To: 'Discussion of issues relating to Soaring in Australia.' Sent: Wednesday, August 31, 2005 7:13 PM Subject: RE: [Au

[Aus-soaring] Portable oxygen system

Hi all I am in need of a portable oxygen system for the week of Thursday 27 October thru to Thursday 3 November. Does anybody have a system that I can borrow, rent or even buy over that timeframe? Thanks Anthony ___ Aus-soaring mailing list Aus-soar

[Aus-soaring] Anyone got a K-13?

Hi all I have a favour to ask of someone with access to a K-13. I would like them to take some basic measurements of the canopy and take a digital pic of one. If you can help, please let me know. Thanks Anthony ___ Aus-soaring mailing list Aus-soari

[Aus-soaring] LS-3 VH-WUE

Title: Message Does anyone know whether the owner (member of GCV) of LS-3 VH-WUE has an e-mail address?   Justine took some pics of him as he thermalled with us at Khancoban last November and would like to send him some prints.   Anthony __

RE: [Aus-soaring] Soaring training

Introducing them to soaring is part of the basic training.  Giving them the a copy of the ‘Advanced Training Book’ (or what ever GFA chose to call it) well before they are near solo is also part of it, because you can start teaching some of that, long before they are ready to solo.    I

RE: [Aus-soaring] Aluminium vs Fibreglass instrument panels

For great results, draw up the instrument panel on a CAD program and then get it laser cut out of aluminium sheet. Then get aluminium sheet anodized black. Looks great and all the holes line up perfectly. Save the CAD file to CD for next time when you want to fit a Borgelt B8000 or something.

[Aus-soaring] Anyone know Rob Marriott?

Hi all Anyone in touch with Rob Marriott of Melbourne? Last seen departing Adelaide with the bits of Bocian 1e KYW? Anthony ___ Aus-soaring mailing list Aus-soaring@lists.internode.on.net To check or change subscription details, visit: http://lists.in

RE: [Aus-soaring] Libelle performance

>From my experiences with Libelles. - The ailerons should be rigged to zero deflection in flight. Common trap for new players is slop in the control linkages. When rigging the ailerons on the ground, the weight of the aileron sits the aileron at the bottom end of the control slop. In flight th

RE: [Aus-soaring] More: Libelle performance

e: [Aus-soaring] More: Libelle performance Superb Picture! Roger Browne - Original Message - From: "Anthony Smith" <[EMAIL PROTECTED]> To: "'Discussion of issues relating to Soaring in Australia.'" Sent: Friday, March 24, 2006 5:50 PM Subject: [Aus-soa

RE: [Aus-soaring] Benalla Hangars

The AUGC approach for the hangar door rail problem was to have the track for the glider a little above the track for the door. The glider track had a gap at the door track. We had a little removable bridge to cross the gap over the door track. You just had to make sure the bridge was there when yo

[Aus-soaring] Helping Adelaide Uni GC

Hi everyone   Last November, Justine captured several frames of Ventus GQH, flown by Cathy Conway, as she did a fly past off our wingtip.  Some time later in December we realized that every second frame could be stitched together to make an impressive panorama.  See  http://miztadave.kick

RE: [Aus-soaring] Looking for a glider - VH-GOK

Hi all I was at Boonah Sunday week ago (and immediately got collared about contact details for Steve Were). As far as I know, VH-GOK is a PIK-20B that was owned by a syndicate consisting of Martyn Roberts and Steve Were (both are ex-members of Adelaide Uni GC). Martyn has been in the UK for some

RE: [Aus-soaring] Bent up wing outer panels

Having regained internet at home after Telstra took 4.5 weeks to fix a phone problem….   Roger is pretty right.  3D aerodynamics says that a wing with elliptically increasing dihedral (ie a wing that bends up more towards the tips so that it looks like half an ellipse from head on) has b

RE: [Aus-soaring] Looking for a glider - VH-GOK

PM To: Discussion of issues relating to Soaring in Australia. Subject: Re: [Aus-soaring] Looking for a glider - VH-GOK Mispelling perhaps? Steve Where? - Original Message - From: "Anthony Smith" <[EMAIL PROTECTED]> To: "'Discussion of issues relating to Soarin

RE: [Aus-soaring] Warm clothing for high flights

My two bits worth. I can't say that I have been above 14,000 ft, but I can say that I have flown a number of aircraft at altitude in the South Oz winter at 10,000 ft or so with breezy nose releases and similar. Sneakers or runners are not a good choice of footwear. They are designed to be well v

RE: [Aus-soaring] Zeiss lenses for sunglasses

Justine and I use the Skypol lenses in our sunglasses. They are the polarised versions of the Skylet range of lenses. We find them very effective. My recommendation is go for the darkest tint "sport". J and I started off with the lightest tint and it was too light for a bright SA summer day (bu

RE: [Aus-soaring] Lego

For the diehards who continue to make lego planes, lego had some quite exceptional models of late. They included the Sopwith Camel and Fokker Triplane, both of which appear to be no longer available. Still around though is the Wright Flyer: http://shop.lego.com/product.asp?p=10124&cn=57&d=14&t=7

[Aus-soaring] Publicity via TV and local airshow

Hi all As part of SA's efforts to promote gliding, the Adelaide Uni club is putting on a display at the Jamestown airshow next weekend (country town fly-in held every three years). We are listed on the air show website: http://www.jamestownairshow.com/aircraft.html As part of the effort we we

RE: [Aus-soaring] ES59 Elevator pin

I reckon he means 1/4" diameter x 7/16" grip -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Redmond Quinn Sent: Tuesday, 10 October 2006 10:59 PM To: 'Discussion of issues relating to Soaring in Australia.' Subject: RE: [Aus-soaring] ES59 Elevator pin Da

[Aus-soaring] Two seater trailer

Hi all The Adelaide University Gliding Club is interested to see if anyone has a surplus two seater trailer available. Must be able to fit Bergfalke 4 / K-21 and/or KRO-3A Puchatek and/or SF-25C Motorfalke. Please send me a pic or two, along with dimensions and a rough price if you have somethin

RE: [Aus-soaring] Two seater trailer

? - Original Message - From: "Anthony Smith" <[EMAIL PROTECTED]> To: "'Discussion of issues relating to Soaring in Australia.'" Sent: Wednesday, November 22, 2006 7:09 PM Subject: [Aus-soaring] Two seater trailer > Hi all > > The Adelaide University Glidin

Re: [Aus-soaring] Re: interesting

>From a recent conversation with a person at ASC (and a couple of other affected people from the area). The road works trim the ends of both of Gawlers runways. It shortens each strip to roughly a bit less than 1100m each (supposedly). This makes the strip still serviceable, but makes it more in

[Aus-soaring] Now a model LS-8

Hi all, I see Revell have brought out a second sailplane model kit: an LS-8. see http://www.revell.de/en/products/model_kits/model_kits/aircraft/?id=210&L=1&KOSCHL=01&KZSLPG=0104&KGSCHL=05&nc=1 Still no Bergfralke 4 :( ___ Aus-soaring mailing list A

[Aus-soaring] ASH-30 announced

Schleichers have announced on their webpage the ASH-30 as being the successor of the ASH-25. No significant details yet. Still no sign of a 20m class double seater from Schleichers yet... : ( ___ Aus-soaring mailing list Aus-soaring@lists.internode.on.

[Aus-soaring] NASA, a Super Blanik and Dynamic Soaring

This may be of interest to some: http://inside.afit.edu/page.cfm?article=2&atype=0&edition=8 I am still looking for further details. ___ Aus-soaring mailing list Aus-soaring@lists.internode.on.net To check or change subscription details, visit: http://l

Re: [Aus-soaring] FW: Polar

It is actually a technical paper from OSTIV XIII (presented at Waikerie in '74?). If anyone has a copy, I would appreciate a copy as well. Anthony > Can anyone help Andrew? > > There seems to be the needed info in the book: > "Flugmessungen an 35 Segelflugzeugen und Motorseglern by > H. Laurso

Re: [Aus-soaring] RE: Another fatality

The Puchatek originally was fitted with a nose skid. The nose wheel was a post import modification as far as I know (the original skid wears down very quickly on a sealed runway - and is pretty quick to erode on dirt/gravel too). I would challenge the _mandatory_ fitment of any cage to a nose skid

Re: [Aus-soaring] P.S. My previous

That would be interesting. Although I like the kitty litter idea too - I can see that being a far better proposal than some of the others. I will get the specs from you in the not too distant future. Some time ago I was the engineer in charge of the RAAFs arrestor systems for a couple of years whi

Re: [Aus-soaring] RE: Another fatality

Typically it will either: - ride up the nose and then break through the canopy and then run along the canopy sides - or miss the nose (because the nose is too low to collect the wire) and simply break through the canopy and then continue at through the canopy at the wires height on the fence pos

RE: [Aus-soaring] Horse-drawn Zeppelin dealer in Australia?

I think if you acquire a recording of an episode of the Goon Show from BBC radio it will all make some sense. An absolute radio classic featuring Spike Milligan, Harry Secombe and Peter Sellers. Come out of that dustbin at once! -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL P

RE: [Aus-soaring] Lightning and flying.

Yes, J and I watched the show and I remember that day spectacularly well. It was the AUGC regatta and we had several others from other SA clubs around. I was in Club Libelle GMI and ended up running from Crystal Brook at Max Rough Air as well (108 kts or thereabouts) having seen the downbursts an

[Aus-soaring] Sponsorship of gliding

Hi all I am keen to make contact with people who have successfully arranged (corporate) sponsorship of their gliding club or gliding event and learn from their experience(s). Please reply to: [EMAIL PROTECTED] Regards Anthony ___ Aus-soaring ma

RE: [Aus-soaring] Jets

Yes, but it isn't straightforward, which is why people keep refering to either thrust for jets and horses for props. It is probably easier to convert horsepower to thrust - but you will need a chart of your propeller efficiency. -Original Message- Anyone know the relationship between t

RE: [Aus-soaring] Jets

Actual Thrust = prop efficiency x power / speed. Working out the prop efficiency is the interesting bit. -Original Message- From: Mike Cleaver [mailto:[EMAIL PROTECTED] Sent: Sunday, 25 March 2007 10:32 PM To: [EMAIL PROTECTED]; Discussion of issues relating to Soaring in Australia. Subj

Re: [Aus-soaring] Jets- reply to Robert

There are quite a number of low bypass and mid bypass ratio turbo fans around. Unfortunately they are only one use engines designed for cruise missles. It isn't too much of a step to take the engine and redesign it for multiple use. > Robert, have you heard of any of these high bypass jets > b

RE: [Aus-soaring] Jets

t; Let me rephrase the question, what is the conversion for > > thrust to horsepower assuming 0 airspeed, idea being > > what acceleration a jet powered glider will have from a > > standing start, ie takeoff? > > > > Regards > > > > Dave > > > > --

[Aus-soaring] More: Jets

engine. I would be more than happy to take a winch or short autotow and jet away with 30kg of thrust behind me. I'm ready to become "Roger Ram Jet" anyday. Regards Andrew Wright Date sent: Mon, 26 Mar 2007 11:35:42 +0950 From: Anthony

RE: [Aus-soaring] Global warming

Having worked through our power bill with Justine recently, approx two thirds of our power bill over last summer was simply for the fridge running 24/7. > C'mon folks, we are talking about tiny lights here, of 10 > or so watts. Yes, there are potentially lots of em, but > think about what is in y

RE: [Aus-soaring] Global warming

place that I ever did. For less than $100, I managed to significantly reduce the upstairs temperature and save us from using the aircon on many evenings - it has saved us a lot of kW hours. > > -Original Message- > > From: Anthony Smith > > > > > Having wo

RE: [Aus-soaring] E-tug

No, there has been some further work in recent times. Turbo diesels for cars have sparked similar engines for light aircraft and produced excellent fuel economy running on Avtur. Tom Wilksch's father will be able to help you there on some of the latest developments. > I think the Germans had s

RE: [Aus-soaring] E-tug

BTW max horsepower / kilowatts isn't everything. Turbo diesels are very torquey engines for their horsepower. It will enable them to turn a bigger, coarser pitch (?) prop so I would expect better take-off and climb from them for the same HP petrol engine. The old rotary aircraft engines from WW1

RE: [Aus-soaring] Ventus-2cxa - kinky or straight?

Roger That is pretty much about right. Almost all wings will end in a tip with some chord length, where as ideally you would want them to end at a point (see Spitfire tips). By sweeping the tip back, it loads up the tip more and makes it behave a bit more like it was pointy. Carefully analysis

[Aus-soaring] Adjustable rudder pedals

Hi all I have been sent details of a European Bergfalke 4 with modified front rudder pedals out of a more modern aircraft. This greatly improves the front pilot leg room. So I am looking to see what is available in the way of adjustable rudder pedal assemblies in the wreck yards around the coun

[Aus-soaring] Diesel Tug Engine

For those who enquired. After a simple google search I found an air cooled 230 hp turbo diesel that may be suitable for a Pawnee. See: http://www.smaengines.com/rubrique.php3?id_rubrique=11 There are few specs on the web site. Another web site suggests weight to be 430 lb / 195 kg. Fuel burn

Re: [Aus-soaring] Re: Aus-soaring Digest, Vol 43, Issue 24

Well aware of shock cooling of tugs and the advatages of liquid cooled engines although liquid cooled is significantly heavier(?). This engine was designed to be a plug 'n' play replacement (more or less) for the Lycoming. So from many perspectives - power, weight, slightly quieter, great fuel bu

Re: [Aus-soaring] Taxonomy of flight for gliders

Off the top of my head you could start with a matrix. Have phase of flight on one axis and then nature of accident eg loss of control (spin), controlled flight into terrain (yes it happens), mechanical failure, fire (electrical), fire (fuel / engine) etc across the other. That may give you some g

RE: [Aus-soaring] cool jugs

If anyone is interested. http://www.liquidcooledairpower.com/cj-overview.shtml -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of nandrews Sent: Monday, 16 April 2007 8:00 AM To: 'Discussion of issues relating to Soaring in Australia.' Subject: [Aus-soarin

Re: [Aus-soaring] accident rate for gliders in Australia

> Does anyone think that the fatal accident rate for gliders > has reached a crisis point: No, not really, although the 2005 and 2006 years were ominous. If you look back even further you will find 'spasms' of fatalities over the various years - including one year where there was 5 (I think) fata

Re: [Aus-soaring] accident rate for gliders in Australia

I did, based on some really simple stats (someone better at it can have a go). The average is ~1.8 per year. The standard deviation is ~1.6 per year. What it means is that a couple of years at 0 is not statistically meaningfull. I think we need to go for 3 years with 0 deaths to start to

[Aus-soaring] Subaru Outback - sadly no soaring content

OK if you are still reading this it means you either own or have an interest in the Subaru Outback - a popular glider pilot car (almost no soaring content). I need to replace my tyres reallty soon. The factory fitted Yokohama's are presently unavailable (for at least the next 6 weeks or so) and h

Re: [Aus-soaring] Wheels up or wheels down... (was accidentratefor gliders in Australia)

The CARD is one of those things that some clubs do and some don't. Comps are possibly a more important environment to do it in. A less than 15 second check to make sure that everything is in order prior to you launching, especially after you have been sitting on the grid for the last half hour, c

[Aus-soaring] Whisper motorglider (no horses or Zepplins)

Hi all I cam across an ad in a friends ultralight magazine for a horse drawn zep... (sorry) motorglider. See www.whisperaircraft.com Looks to South African in origin and probably designed to meet ultralight standards (similar to Pipistrel Sinus motorglider). Anyone know anything about these? A

RE: [Aus-soaring] Polar Curve Test

A few thoughts. What electric vario system are you using? Considering that you probably want to plug the polar into the vario for speed to fly cues, you can probably record digital outputs from the electric vario to a laptop or similar data recorder stashed in the cockpit. I recall an e-mail con

RE: [Aus-soaring] Polar Curve Test

Electronic data collection is definitely the way to go. For best results you need your data gathering device to collect pitot and static air pressures (airspeed and height) and air temperature (density correction). Do not rely on GPS data as that will only give you ground speed. All you then nee

RE: [Aus-soaring] Polar Curve Test

Actually, if all that you are using the polar for is to plug the curve into your B50 (or equivalent vario that delivers speed to fly cues) then you don't need to calibrate much at all. If you use the data output from that vario (ie the data the vario is using itself to calculate speed to fly) to c

RE: [Aus-soaring] Polar Curve Test

A good start would be here: http://www.owp.us/Johnson/SailplanePerformance.pdf ___ Aus-soaring mailing list Aus-soaring@lists.internode.on.net To check or change subscription details, visit: http://lists.internode.on.net/mailman/listinfo/aus-soaring

RE: [Aus-soaring] Polar Curve Test

I also had a brief search for Dick Johnson's previous flight test reports but it appears they have now been moved to the member section of SSA site. You need to join SAA to get access. > Perfect! > > > >From: "Anthony Smith" <[EMAIL PROTECTED]> > >

Re: [Aus-soaring] Dyneema Rope

Dynex is a brand name from one manufacturer. Importer and distributer is Sydney Rigging Specialists 5 Wellington St Rozelle NSW 2039 02 9555 4277 [EMAIL PROTECTED] www.rigging.com.au They have previously written to AUGC advocating the use of 4mm Dynex 75 rope as an alternate to winch wire. It

Re: [Aus-soaring] Dyneema Rope

The dyneema fibre was originally developed for the American space program as a light weight tether for astronauts during space walks. It has been widely accepted into the maritme industry which has popularised it so much that its production / supply is increasing and prices are becoming far more a

RE: [Aus-soaring] Dyneema Rope

JR Are you using poly rope (~ 10mm diameter) or the dyneema / dynex / spectra rope (~ 4mm diameter)? Irrespective of which rope you use, how are you connecting the stranded cable to the rope? Anthony -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of J

Re: [Aus-soaring] all gliders need one of these

I have an one with an audio! She sits in the front seat of the Bergy. Key inputs appear to be altitude, high climb rates and unusual attitudes. Interestingly she doubles as an audio altimeter too. The level of conversation coming from the front seat is proportional to altitude. I know when we

Re: [Aus-soaring] 2007 Defence Air Show

Hi Mal At the last SAGA meeting I volunteered to act as a co-ordinator for a SAGA display on behalf of all Adelaide clubs for this event at Edinburgh. So far I have had nil responses from any SA gliding club other than my own: AUGC. I will contact SQNLDR Deering and see what I can arrange. If

Re: [Aus-soaring] Promoting Gliding

Local community TV has a _huge_demand_ for local content. They are obligated to provide a large percentage of their air time to it. If they don't, they lose their license. As local content (note that this really is "local" - stuff from interstate doesn't count, it has to be from the area that th

Re: [Aus-soaring] B787

Except that was a 777 in the movie I think. The failure occurred at around 2.66% greater than what the designed it to fail at. (The structure needs to be tested to not fail at 150% of design limit load (this point is called ultimate load)) I am told that at Boeing, if it fails at greater than 4%,

Re: [Aus-soaring] B787

oo. Grr > > Dave > > -Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Anthony > Smith > Sent: Thursday, 28 June 2007 8:23 AM > To: 'Discussion of issues relating to Soaring in Australia.' > Subject: Re: [Aus-soa

Re: [Aus-soaring] weather data

Is all this data avialable for the rest of Australia or was it just set up for the Worlds and cover only SA? > Emilis Prelgauskas wrote: > > > I seem to recall $3k/$1.5k/ann were the figures for that > > contest area, which encompasses much of South Australia > used by glider pilots. > > It w

Re: [Aus-soaring] weather data

lot of people objecting to raisng GFA / SAGA fees to cover the cost?) What happens in Germany? Do they have a similar forecast system? > Anthony Smith wrote: > > Is all this data avialable for the rest of Australia or > > was it just set up for the Worlds and cover only SA? >

Re: [Aus-soaring] Chuckle

> Watched the first episode of that patrol boat type show > the other night to see what it was like and was not > impressed but a Petty Officer (Sgt) came out with a great > one liner to a rating who called him Sir. > > "Don't call me Sir. I work for a living." > An ancient one that one Som

Re: [Aus-soaring] Block speeds and wing loadings

There is a bit in Fred Thomas "Fundamentals of Sailplane Design" that discusses how to optimise aspect ratio and wing loading during the design stage. It shouldn't be too hard to reverse engineer it and work it out for a known design. I will have a look tonight for the relevant pages. The bigges

Re: [Aus-soaring] Block speeds and wing loadings

Are the handicapping models readily available to the general soaring public? -Original Message- Apologies for the mixed and unusual units, but it makes the arithmetic simpler! The effect is what happens in real life - you can use a real polar and stretch it to account for varying wing

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