I tend to agree w/ Ed - although the effect is there, the BPA-style planes fly at such a relatively miniscule angle of attack that it is not noticeable. Also, the older patterns did not have high alpha maneuvers, the verticals were done at high speed or idle (top hat, stall turn, etc). Planes like the Banshee, my own Peppermint Pattie, etc all were set up at zero right thrust.