OK, this question is sort of soaring related. My son builds military
dioramas. He and I discovered the BV-40, a German glider designed to be an
interceptor against bomber squadrons. His diorama will be a could have
been variety as only one BV-40 was test flown. It was designed to be towed
Hi. My name is Chris Simpson. I was referred to you from a member of the
rec.models.rc.soaring group at google.com. If you have the time, I would
really appreciate it if you could point me in the right direction to help find
the solution of my problem.
I'm doing a science fair
Jim,
The length should be 150-200'. The smaller end of that spectrum for shorter
feilds, and the longer ropes for larger feilds. I cross referenced my memory
against my flight manual. Hope this helps.
Tim
Tim Vandenheuvel
Glider Graphics
http://www.cafepress.com/glidergraphics
From: Jim Deck
The SSA soaring manual states 150 to 200 feet long. The glider will be
flying before the airplane has enough airspeed to leave the ground. The
sailplane pilot will have quite a bit of forward pressure on the stick to
hold the glider within about 5 feet of the ground. If the glider is too
When I was working towards my solo, primarily in Blanik L-13/23's, we often
had to worry about towing faster than the max tow speed indicated on the
placard.This was especially true when we were pulling up the older K-6's,
etc.. We were using Maule M5's with Lycoming o-235's up front. Good
Soaring wrote:
Full size towline question
Our research hasn't been able to determine what length the tow cable would
have been.
Jim, After consulting with my WW2 aviation trivia expert, Jim Ryan, it
has been determined that the length should be long enough to extent from
the tail of
http://www.louisvillesoaring.org
Redesigned, trimmed, polished and more shark-like as Thornburg might
say. :)
I'd love to get some feedback -- and error reports.
--
Ben Wilson (ben AT thelocust DOT org)
AMA 717440 / LSF 7806
Louisville Area Soaring Society
http://www.louisvillesoaring.org
If you're submitting a voucher or application in the next week to ten
days, be aware that there will probably be a delay in turning them around.
I'll be vacationing in Arizona for the next 6 weeks and it takes a while for
the mail to catch up with me. Yes, that's right, no vacation from my
Excellent question Chris! Bravo to you for asserting a hypothesis and TRYING
it!
Mr. Joe Wurts who is sometimes on this list and an expert in matters
aerodynamic, has mentioned his findings that I'll grossly simplify as;
Optimum aspect ratio varies with wing span. I don't remember more of what
he
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The SSA soaring manual states 150 to 200 feet long. The glider will be flying before the airplane has enough airspeed to leave the ground. The sailplane pilot will have quite a bit of forward pressure on the stick to hold the glider within about 5 feet of the ground. If the glider is too high
***
Generally speaking higher aspect ratio with either a fixed span or area will
equal a reduced wing chord. This will result in reduced reynolds numbers
which equals reduced performance for most all airfoils
***
Yes, but also what's happening (for a fixed wing span) is a trade off
Hi Chris,
First of all congratulations for your project. It is nice to see that young
people are interested in understanding the principles of flight. Aspect
ratio optimization is a key factor in glider design.
Here is a simplified analysis which I hope will awnser your question(s):
The
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Please ignore previous notes about Berg crystals.
Regards, Dave Corven
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Randy, my emails to you have been bouncing. I'll pass on the Super V. gv
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And free to soar all weekend. Likely staying at a motel in Hallam,
called Quest. I'll have my laptop on as soon as I get in on Friday, how about
some soaring?
Gordy
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