Mxsmanic wrote:


No, you haven't. It's impossible to hold altitude in a 90° bank.

Sorry, you are wrong. You are presuming that the wings are the only
source of lift on an aircraft. As the original poster said, there
were airshow acts that use the side of the fuselage coupled with a
LOT of power to maintain knifedge level flight.

There's more to aerodynamics than Microsoft would lend you to beleive.