Dave, I too have observed the hesitation you describe and wondered about
it's cause.
On the bending it sounds like you need a stronger motor stick to resist
the bending - more cross section or harder wood, or maybe both.
LeRoy Cordes
AMA 16974
Chicago, IL
In God We Trust
On Sat, 24 Feb 2007 21:38:44 -0000 "torqueburner" <beammeup_at_fast.net>
writes:
> I have had experience with a motorstick bending in the vertical
> plane. You trim the plane to
> fly well at launch, but it stalls, stalls, stalls as the torque, and
> therefore the bend, decreases
> over the length of the flight.
>
> However, something else I have sometimes observed is similar to, but
> subtly different that
> the behavior described above. The climb and cruise are normal, but
> as the plane is
> descending it kind of hesitates - almost as if it has just turned
> into a headwind. As a result,
> it drops down a foot or two, nearly vertically, then resumes flying
> normally. Sometimes this
> happens only once during the flight, somes two or three times.
>
> Looking back to our SO biplanes last year, they seemed more prone to
> this behavior than our
> monoplanes, but perhaps this is just coincidence.
>
> Any ideas as to what could cause this? It is under discussion on
> the Science Olympiad
> Student Center message board. One post mentioned stab tilt, or
> perhaps excessive stab tilt
> as the reason, but I don't see how it could be connected to this
> phenomenon.
>
> Dave Drummer
>
>
>
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LeRoy Cordes
AMA 16974
Chicago, IL
In God We Trust
Received on Sun Feb 25 2007 - 11:26:26 CET