The story of Life, Dave. Can't get something for nothing. Must be
willing to 'trade off'.
Tim
Builder #292
aviatordave@fuse.net wrote:
>
> Aerodynamic Reply,
>
> Please do not get confused...
>
> ANY Airplane (or glider) stalls when the wing reaches its CRITICAL ANGLE
> OF ATTACK.
>
> If you are airborne reducing power will cause the aircraft to settle,
> but the aircraft stalling is a result of angle of attack. As the
> relative wind changes direction when the pilot reduces power (from the
> aircraft settling), the pilot will need to decrease pitch to maintain
> the same angle of attack. IF the aircraft is just above the critical
> angle of attack and/or at a low altitude when the power is reduced, two
> things can happen:
> 1) There is not enough time or height to reduce the aircraft
> pitch... ie. you will stall
> or
> 2) you won't have enough energy (either Potential - Height, or
> Kinetic - Velocity) with which to arrest the descent and flare the
> aircraft for landing.
> So YES... Reduce power slowly... but think about your angle of
> attack and energy state... Do you have altitude or speed?
> Do you have something in your back pocket to trade for the loss of
> energy being input into the equation by the engine?
>
> I hope this makes sense to all readers.
>
> Get some dual and ground school from a good instructor. Be careful.
> Have fun. And FLY SAFE.
>
> Dave Conrad, A078, Cincinnati, Ohio, USA
--
Timothy P Ward
12 Waiwetu Street,
Fendalton,
Christchurch,
NEW ZEALAND
Ph. 0064 03 3515166
email ward.t@xtra.co.nz
Mobile 025 2649325
|