On 12/9/2020 9:58 AM, colin hales via KRnet wrote:
While the yaw string works perfectly well on gliders, the propeller of a
powered aircraft places a rotational flow of air around the fuselage, hence the
need to apply rudder to also counteract the yaw of this spiral of air effecting
the aircraft the more power that is applied. So the yaw sting is never straight.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Along those lines, no pun intended, you will notice aircraft that fly
off grass and other "non-hard surfaces" will be most dirty on the
opposite side of propeller rotation, i.e., Pipers, Cessnas, etc. will be
dirty on the pilot side and aircraft with engines that rotate the wrong
direction, i.e., Corvair, V.W, etc will be dirty on the opposite side.
Yea, yea, yea, I know, "wrong direction", whip me, beat me, make me
write bad checks..................I'm about to fire up a Rotax so what
would I know.
Larry Flesner
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