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Old June 12th 07, 01:01 AM posted to rec.aviation.piloting
Bertie the Bunyip[_2_]
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Posts: 896
Default Myth: 1 G barrel rolls are impossible.

wrote in
oups.com:

On Jun 11, 1:54 pm, Mxsmanic wrote:
Jim Logajan writes:
Most everyone agrees that keeping the coffee in the cup is
possible. What some people don't seem to believe is possible is
that the force felt by the pilot (or tea/coffee) can be 1 gee
during the entire roll. They believe it has to vary during the
roll. I'm hesitant to name names. ;-)


It has to vary during the roll, because the constant 1 G acceleration
due to gravity does not change. The net acceleration of the aircraft
must always be at least one G in consequence, and if the aircraft
begins a climb or ends a descent, it _must_ be greater than +1.0 G.


Bertie! He's doing it again!!!!


Doing what?


He's vaguely right, but only because he's pirating some **** he got off
the net.

I coudl get just as good a response from my pet polecat by taping a page
from Wikepedia to him.



Bertie