At 12:39 AM 25/09/04 +1000, you wrote:
>A further thought - for a given aircraft configuration and CG position, the
>stall (and hence the spin) only occur once the elevator position reaches or
>exceeds a certain rearward position. This is well known amongst aerobatic
>aeroplane pilots, and knowing the required stick position to induce the
>stall/spin in the first place is useful knowledge. TO REPEAT, THE STALL IS
>INITIATED AT A STICK POSITION THAT DEPENDS ON CONFIGURATION AND CG
>POSITION, REGARDLESS OF AIRCRAFT ATTITUDE. Airspeed, however, depends on G
>loading - which is why incipient recovery occurs when the wing is unloaded.
Mike,
That is the best bit of information to appear here in a long time. I bet a
lot of people didn't realise that either.
The other stick position you should know is the one for zero g or close to
it. While it may not be true for very dense aircraft that have already
begun post departure gyration I doubt any gliders will do anything truly
horrible if promptly unloaded to zero g or close to it.(ailerons and rudder
central please)
Mike
Borgelt Instruments - manufacturers of quality soaring instruments
phone Int'l + 61 746 355784
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Int'l + 61 429 355784
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