Executing a 1G barrel roll?
and also keep the nose straigh in the roll using rudder! some extra rudder is also helpful to increase rollrate.
However, rudder is useful when executing a Derry turn, but one must be very careful at 500 feet AGL, especially when the transition from +6g to -3g must be made within half a second.
One feels that it is now time to retire from this thread.......exit with full loop away from crowdline at 90 degrees until no longer visible.
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The commonest use of the barrel roll in display flying is precisely to realign the axis, particularly useful when one has underestimated the on-crowd wind component. Not that any professional display flyer would ever do that....
I'm curious about the technique that commences the "BR" from level or nearly level flight. That must surely result in the roll itself being flown on an axis about 45' to the original line of flight and thus with a zig-zag ground track and the entry and exit tracks substantially offset. Goofing around apart, are aerobatic maneuvres not supposed to be flown on an axis (think display line)
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Another fun ride somewhere in Morocco 
you can see at the end of the not-programmed display... the guy on ground did draw a plane with thanks written in arabic!
By the way... it's a non Aerobat Cessna!
you can see at the end of the not-programmed display... the guy on ground did draw a plane with thanks written in arabic!
By the way... it's a non Aerobat Cessna!
A classic barrel roll could be demonstrated in the B757/767 Sim but, strangely enough, was never tempted to try it in the aircraft
However, the smoothest barrel roll I ever sat in on was demonstrated by the late Neil Williams (British Aerobatic Chmpion at the time) in a Falcon fanjet. He had two passengers standing in the back drinking champagne but as it was night they never realised they had been upside down.
Wasn't close enough to see whether the direction of the bubbles was affected!
However, the smoothest barrel roll I ever sat in on was demonstrated by the late Neil Williams (British Aerobatic Chmpion at the time) in a Falcon fanjet. He had two passengers standing in the back drinking champagne but as it was night they never realised they had been upside down.
Wasn't close enough to see whether the direction of the bubbles was affected!
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this link seems to describe a barrel roll as I understand it:
Barrel roll - Wikipedia, the free encyclopedia
not that wikipedia is the ultimate authority out there, but it does have the benefit of being correctable if someone believes they can describe the manoevure better.
the CAA makes the point that barrel rolls and other manoevures flown at low level can be potential killers:
http://www.caa.co.uk/docs/33/CivilAi...eforPilots.pdf
not that I am an expert in these matters - and there are people posting on this thread with far more experience than Lighting Mate gives them credit for, including (ex) RAF display pilots....but the crucial part of the manoevure IMHO is to go through the gate correctly. If you don't see what you expect in terms of the numbers, your energy and attitude, then you need to start thinking safety first rather than completing the manoevure.
Barrel roll - Wikipedia, the free encyclopedia
not that wikipedia is the ultimate authority out there, but it does have the benefit of being correctable if someone believes they can describe the manoevure better.
the CAA makes the point that barrel rolls and other manoevures flown at low level can be potential killers:
http://www.caa.co.uk/docs/33/CivilAi...eforPilots.pdf
not that I am an expert in these matters - and there are people posting on this thread with far more experience than Lighting Mate gives them credit for, including (ex) RAF display pilots....but the crucial part of the manoevure IMHO is to go through the gate correctly. If you don't see what you expect in terms of the numbers, your energy and attitude, then you need to start thinking safety first rather than completing the manoevure.
