FRFO, an astounding reply
Foxmoth, had not thought about that. But it does explain something that happened while flying with a friend on an aero's sortie some time back.
He was trying to fly an Avalanche (half loop - flick roll at the top - finish off the loop). He went beyond the top of loop before the flick, snatched at the controls

. We paused inverted (stall warner screaming) though pointing down, before we entered an incipient (if I recall) spin. Quite uncomfortable