Re: Perhaps a silly question (DC-9 barrel roll)

Date:         04 Jun 97 13:04:00 
From:         airbearzln@aol.com (AirBearZln)
Organization: AOL http://www.aol.com
References:   1
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No reason why not.  No reason except that the FAA would draw and quarter
the pilots, arrest all the passengers, and dissolve the airline that owned
the airplane.  Legent has it that 707 #1 rolled over the crowd at the
speedboat races in Seattle about 1957.  I know professional pilots who
have rolled a number of smaller jets and bigger piston powered aircraft.
(NOT me of course).  A gentle roll, a meld of a barrel roll and a slow
roll, can be done with no negative g.  The mistake most pilots make when
they roll an airplane that is not s'posed to be rolled, like a Bonanza,
for instance, is that they enter from level flight.  When they find
themselves upside down, they are in a decidedly nose-down posture. They
panic, split s out, and either hit the ground or overstress the aircraft
by pulling too hard well over Va.   I am told it can be done by climbing
sharply, about 45 or 50 deg, unloading the elevator SLIGHTLY,  putting in
full aileron deflection, easing back on the elevator as the airplane goes
around.  DO NOT DO THIS WITHOUT DUAL INSTRUCTION FROM A COMPETENT AEROBATIC
INSTRUCTOR!!  You stand a good chance of busting your fanny.

rob (Rob Harrison Airshows, AirBearZln@aol.com)