KR> camera strobes

2008-10-27 Thread John Gotschall
it looks like the 555 timer sets the time base for voltage "stepup coil". Some call this thing a kickback regulator. The cool thing about those is the same circuit can develop any voltage either above or below the supply voltage. it looks like trigger timing is adjustable, but no mention of

KR> Your Thoughts on my Thoughts

2008-10-27 Thread Ron Smith
Ron Smith KR2SSXL Buckeye Arizona mercedesm...@yahoo.com http://ronsmith.myphotoalbum.com/albums.php Gary wrote: That covers the front spar, the rear one is going to be a little more work. I will require a dihedral bend and one that sweeps it forward. My thought is to put the dihedral

KR> Your Thoughts on my Thoughts

2008-10-27 Thread Ron Smith
--- On Mon, 10/27/08, GARY ROBISON wrote: From: GARY ROBISON Subject: KR> Your Thoughts on my Thoughts To: "KR_NET" List-Post: krnet@list.krnet.org Date: Monday, October 27, 2008, 6:49 PM Hello all, I have had my plans for

KR> camera strobes

2008-10-27 Thread George Bearden
Fella last week posted the links to some DIY stuff, I looked em all over. One (IIRC) ran on 12v and had an adjustable frequency. Didja guys see that? I haven't priced a commercial unit but this one looked very do-able. I read the description and schematic, but that was 'then'. It has a 555 timer

KR> Aerovee vs Hapi

2008-10-27 Thread James Neely
Check out the Sonex website and the Yahoo Sonextalk groups. There are very likely about 100 of them flying with Areovees,very happily. There are about another 150 flying with jabiru 3300's and 2200's. At the risk of sounding like a commercial, the Sonex has proven to be extremely popular, and

KR> Your Thoughts on my Thoughts

2008-10-27 Thread Dave Arbogast, CISSP
Served many wooden ships in battle for a thousand years (about ?) - should be more than strong enough for you. -dave GARY ROBISON wrote: > > My thoughts are to do exactly that only not cut the caps into quarter inch > strips, but to steam > > and bend them with a jig holding the proper angle

KR> Your Thoughts on my Thoughts

2008-10-27 Thread Mark Langford
GARY ROBISON wrote: > I really like the idea Mike suggested on his comment page. > Mikes thought was to incorporate the dihedral bend for the spars "inside" > the fuselage. > Find it here: http://home.hiwaay.net/~langford/kopinion.html#bent Yep, Mike's a pretty smart guy. You'd be wise to

KR> Your Thoughts on my Thoughts

2008-10-27 Thread GARY ROBISON
Hello all, I have had my plans for a few weeks now and I am chewing on some ideas that need to be addressed before I get started with the 88. I really like the idea Mike suggested on his comment page. Mikes thought was to incorporate the dihedral bend for the spars "inside" the fuselage.

KR> camera strobes

2008-10-27 Thread Eric Pitts
Try this link for strobes http://www.florapse.com/Merchant2/merchant.mvc?Screen=PROD_Code=STARSK244P1_Code=STROBEKIT_Count=4 -- Eric Pitts Terre Haute Ind. http://eric.pitts.mystarband.net

KR> Alternative strobes... and lighting

2008-10-27 Thread Benjamin Copeland
Here's an alternative to making or purchasing expensive strobes. I was looking at these when I almost became a KR owner two years ago. This companies carries a lot of neat light (including light-weight and low profile) options that could be adaptable to aircraft.

KR> camera strobes

2008-10-27 Thread Aviation Interests
<> I was referring to a technique that was once used for a strobe light for a locator in a space mission (I think that was for aapproaching a satellite with the space shuttle, or something to that extent). They needed to maximize the range, and they could not increase the

KR> mosler engine

2008-10-27 Thread dave.ken...@frederickflightcenter.com
I am new to the world of KR2S. I have been contacted by a possible customer who has had a prop strike on a Mosler engine. Where can I send this engine for inspection? I will also need info for the reassembly of wings to the fuselage ( he is not the builder ) I would like to help the owner as he is

KR> RE: hapi or aerovee

2008-10-27 Thread Joe Beyer
They are both basically stock VW engines with big bore kits and use the automotive crank. They date back to the '80's but parts should still be available. The Airovee was used on the Sonari planes. I bought a few parts from them for usen in my KR years ago. The engine mount bolt pattern might be

KR> RE: KR Electric motor

2008-10-27 Thread Joe Beyer
Try this link http://www.kitplanes.com/news/news/8403-1.phtml I heard a segment on that Flight Time radio show. By the way is anyone still getting that show on the net? I haven't been able to get for a couple of weeks. -Joe > Hi KR Netters, > > I have been thinking about the idea of using an

KR> HAPI engine for sale

2008-10-27 Thread Roger H. Reese
It looks like nobody is interested in my KR2 project, so I have decided to scrap it. I have a zero time HAPI 1834 engine, dual mags, windage tray, elephant foot rockers, alternator, Sting exhaust, Posa carburetor, prop flange, mount, all manuals and log book. $2, 500.00. Plane free with

KR> camera strobes

2008-10-27 Thread John Gotschall
Not so when charging a cap to oh say 400 or 500 volts from a 12v power supply through a transformer being switched by a transistor. Charge time then depends on the current capacity of the transistor, inductor & rectifier, etc. (assuming no other current controlling factors are present).. Ever

KR> camera strobes

2008-10-27 Thread John Gotschall
What aluminum golf ball technique? jg On Tue, 2008-10-28 at 01:31 +1100, Aviation Interests wrote: > I would have liked to find a Fresnel lens > to improve further, then I heard of the "aluminum golf ball" technique, but > I never found time to try that. > > Serge Vidal > Melbourne, Australia

KR> camera strobes

2008-10-27 Thread Aviation Interests
On the KR I owned in South Africa, I did just that: used house alarm strobes, which are extremely cheap and easy to find. The same strobes are also used on industrial machinery as an indicator of the machine condition. The ones I used had a perfect flash rate (1Hz, that is 1 flash per second). I

KR> camera strobes

2008-10-27 Thread Dave Arbogast, CISSP
I was a pro shooter for the nation's longest continuously running news paper and did a lot of research on photo strobes. Mind you this is over 25 years ago, but then the other factor was the duty cycle of the xenon bulb. They had a life cycle in the range of 10K cycles. They are called upon to

KR> camera strobes

2008-10-27 Thread erik.kl...@matrixdginc.com
The time to charge a capacitor is given by the RC time constant. It is limited by the power rating of the resistor. The inductor is used to limit the current to the flash tube and/or combined into an autotransformer for a final voltage boost before the flash. Triggering is done differently on

KR> camera strobes

2008-10-27 Thread kelkens...@aol.com
I realize this is an effort to save money, but trying to reinvent the wheel (strobe) is a lot of effort. If you want strobes and cheap ones, go to hide away strobes for police and fire. They are cheap, 12 volt and light weight. Problem solved! **Play online games for FREE at

KR> camera strobes

2008-10-27 Thread John Gotschall
Changing the flash rate may not be easy. often the flash rate is simply the amount of time it takes to charge the capacitor. If you reduce the capacitor size, it will speed up but then there is less energy available for the flash. Changing the charge current (to charge the existing capacitor

KR> camera strobes

2008-10-27 Thread joe.kr2s.buil...@juno.com
I remember hearing about the camera strobe a few years ago and I had done some testing of my own on another type of strobe. I had taken a fire alarm system out of a building and it had stand alone strobes that were wall mounted (simplex was the brand) they operated on 12 v and were self

KR> Re: KRnet Digest, Vol 350, Issue 344

2008-10-27 Thread clairjo...@aol.com
In a message dated 10/22/2008 11:00:42 P.M. Central Daylight Time, krnet-requ...@mylist.net writes: I was wondering if anyone know a Dave Baker?. A few years ago he came up with a strobe light made from a Kodak camera , it was simple, I would like to make one just to try it out . If

KR> another building marathon

2008-10-27 Thread Barry Kruyssen
-Original Message- From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf Of John Gotschall Sent: Monday, 27 October 2008 2:46 PM To: KRnet Subject: KR> another building marathon .. I have not weighed it yet but seems nose heavy That is