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Threads in Forum : Rotorcraft Forum Tools Search this Forum Feed Icon
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UBC's Human-Powered Helicopter blades questions (kinda technical,engineers welcome) by james cho
Here's a pic of their blades layout: http://batman.mech.ubc.ca/~hph/thunderbirddesign.gif (note the blade rotation arrows) What I'm wondering about the blades: - Why the odd taper? I'm guessing the taper alleviates tip losses, but why does it begin at the ~.6 span mark? I'd expect taper across...
October 23rd 05 06:47 PM
by Dave Jackson Go to last post
1 1,610
3D design by island life
I've been asked to provide Dcals for several models of helicopter but short of travelling the country and asking for access, does anyone have a suggestion for downloading 3D CAD info (.dwg) that will allow me to work out the curvature and sizing from my desk? IL
October 23rd 05 01:31 AM
by james cho Go to last post
4 372
Elastic Rotor Bearings from Resilin? by [email protected]
Researchers have managed to decipher the formula for making the insect protein resilin: http://www.theengineer.co.uk/Articles/292388/Flea+power.htm Resilin is reputed to give fleas their great jumping power, as well as wing-flapping ability in flies and mosquitoes, among other things. How well...
October 22nd 05 07:06 PM
by Nick Lappos Go to last post
4 624
Had WAY too much fun today... by Simon Robbins
"The OTHER Kevin in San Diego" skiddz "AT" adelphia "DOT" net wrote in message ... Had a 90 minute block on the schedule this afternoon and was convinced when I woke at 6:30 it wasn't going to happen. It was raining and winds were very gusty. ...
October 20th 05 10:51 PM
by boB Go to last post
2 840
=--- Rotofest Photos posted ---= by High Flyer
Rotofest Photos posted. Rotofest (October 16, 2005 at Brandywine AP, Pennsylvania, USA Link: http://www.phlairline.com/rotofest2005/rortofest2005.html NOTE: There may be some errors with the actual type (A,B,C) for the military stuff. Military has never been my strong suit. Also I didn't bother...
October 20th 05 06:33 PM
by [email protected] Go to last post
1 412
Had WAY too much fun today... by Shiver
The OTHER Kevin in San Diego wrote: I'll put 'em online somewhere Tuesday of next week with some commentary if anyone's interested. You betcha.
October 19th 05 04:23 PM
by Steve R Go to last post
1 776
Beginner 4CH Electric RC Helicopter - Easy to fly by NYPT Man
Beginner 4CH Electric RC Helicopter - Easy to fly - The eSky has released a new indoor beginner rc helicopter, it is double blades set design (4 main blades - 2 top and 2 bottom). We have tested it for 1 week, the flying handling is very good and it is good for beginner. - Shipment includes...
October 18th 05 11:21 AM
by NYPT Man Go to last post
0 410
Cantact address by Jerry Bryan
Does anyone have Stu fielsd email address ?
October 18th 05 08:40 AM
by Jerry Bryan Go to last post
0 379
A very good lesson learned... by Simon Robbins
"The OTHER Kevin in San Diego" skiddz "AT" adelphia "DOT" net wrote in message ... The DPE told me when he gave me my temporary certificate, "This is your license to learn; that's it! Use it well." I'd have to say he hit that one right on...
October 17th 05 10:49 PM
by Jim Carriere Go to last post
6 319
test - no need to read by Simon Robbins
This is a test. My messages keep disappearing from this and other forums, after only a couple of minutes.
October 17th 05 08:59 PM
by Beav Go to last post
1 315
FS Helicopter surplus Experimental by Jim
http://webs.lanset.com/aerorv/heliparts.html New Blades, Tail and main blades. New Control grips, used control grips. Westach dual engine-rotortach etc. Thanks for looking, Jim
October 13th 05 09:28 PM
by Jim Go to last post
0 306
Great Forum by [email protected]
Great forum Fantastic gallery free to join !! www.flightforum.net
October 12th 05 10:30 PM
by [email protected] Go to last post
0 330
Does V-22 Go Twices as Far, carry Twice as Much? by Nick Lappos
Just to keep the juices flowing, and get this newsgroup buzzing again, try this: http://webpages.charter.net/nlappos/tiltrotorcomparison.pdf
(Multi-page thread 1 2 3)
October 12th 05 08:11 PM
by NickL Go to last post
26 1,233
Plane Trader forums now online by Plane Trader.ca
Plane Trader.ca is now online, drop by and post your fly-ins, flight school info, or anything else related to the sport on our Canadian Plane Trader.ca forums. View or post planes for sale, parts etc. The forums are all FREE to use! www.planetrader.ca up, up and away!
October 10th 05 02:00 PM
by Plane Trader.ca Go to last post
0 355
Beginner 4CH Electric RC Helicopter by NYPT Man
Beginner 4CH Electric RC Helicopter - Easy to fly - The eSky has released a new indoor beginner rc helicopter, it is double blades set design (4 main blades - 2 top and 2 bottom). We have tested it for 1 week, the flying handling is very good and it is good for beginner. - Shipment includes...
October 9th 05 06:43 PM
by NYPT Man Go to last post
0 327
Fun with Wx on Cell Phones by B4RT
-------------------------------------------------------------------------------- I created this thing for myself, but decided that it might be useful to you guys too. It gives Radar in the US, Metars and TAFs for almost anywhere in the world. It can find the nearest cheap fuel and various...
October 9th 05 02:45 PM
by B4RT Go to last post
0 369
Linden Accident - Question about "Droop Lock" by Bob Chilcoat
I was talking to a Sikorsky pilot at our airport about this accident: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20050926X01530&key=1 He said that Sikorskys have a "droop lock" in the cockpit that should prevent the rotor from getting too low. How does this work? Does it leave a certain amount of...
October 6th 05 11:11 AM
by Simon Robbins Go to last post
6 356
Light Electric Rotorcraft by [email protected]
Hi, I was looking at pictures of Yamaha's recently announced Deinonychus motorbike, and was struck by how functional and light it looked, due to having been designed around electric wheel-motors: http://www.gizmag.com/go/4686/ Somehow this same barebones functional look reminded me a bit of...
(Multi-page thread 1 2 3)
October 6th 05 02:58 AM
by John Halpenny Go to last post
21 1,152
PPL(H) Hours 8.4 to 12.1 by Simon Robbins
Well I didn't write anything last week because I had a really bad second day's flying. Having done really well the day before side-slipping round a hover square I think I went in to it with too much confidence. Early in the second hour I came down a little too hard on concrete and instantly got...
October 3rd 05 03:16 PM
by Simon Robbins Go to last post
3 360
Rotor-wing question by D. Andrews
Hello all, This is my first time posting here, but I figured maybe you all could help me out with a question that has been nagging at me for quite a while. Forgive me if this seems like a stupid question. Here goes: Does a helicopter, without lateral movement, have the ability to fly down, or...
October 2nd 05 11:43 AM
by Lionel Go to last post
8 588
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