Hi Emmanuel,
I have done some work with 7-8' wing span RC flying wings, so this Horton
model is very interesting to me! Thanks for making it and adding it to CVS,
it looks very nice!
I don't know how the full scale aircraft flies, but if it flies anything
like my RC wings, it will be very sensitive in pitch (maybe more than it is
now, but that also would depend a bit on control rigging), roll will be
slow, and it should glide forever power off ... like a slope soarer. The
real thing might have more drag than mine, especially with the gear down,
but I would expect a very long shallow glide slope with this.
Also I would expect a lot of adverse yaw and basic lack of yaw stability ...
it will eventually stabilize out in heading, but it would probably wander
around a bit in yaw and small roll changes would probably induce some yaw
changes that take a while to settle out. But that's based on my smaller
models ... there may be things they did with the control rigging to minimize
these tendencies.
With my models we don't have separate elevator and ailerons ... so you can't
do offset aileron throws to compensate for adverse yaw ... because any
unequal throw in the ailerons translates to a pitch change ... basically the
elevator position is the average of the two surfaces and aileron position is
the difference between the two surface positions.
Anyway, very neat stuff, I really love how you and others take so much time
to accurately model all these wonderful historical aircraft!
Another interesting thing I'd love to see modeled is the Arup flying wing.
Just a couple weeks ago I got a chance to speak to one of the test pilots
(now in his 70's) and he was telling us stories about how well it flew and
how nice and forgiving it was. He did a drag race with the Arup (46hp
motor) against a new corvette with a couple hundred horse power once down
the length of the runway. He fired up the engine and was quickly airborne
and flew the length of the runway in ground effect. When he crossed over
the end, he looked back to see where the big powerful corvette was and it
was only about 1/3 of the way down the (grass) runway fish tailing all over
the place. He won an easy $5 that day. I also have access to a bunch of
video of test flights of the Arup ... I'm hoping to be able to get a copy in
a couple weeks.
Best regards,
Curt.
--
Curtis Olson: http://baron.flightgear.org/~curt/
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