positive float
131Miss Shilling's orifice — The Rolls Royce Merlin engine originally came with a direct carburettor, prone to fuel starvation in negative G. Miss Shilling s Orifice was a very simple technical device made to counter engine cut out in early Spitfire and Hurricane fighter… …
132Neutral buoyancy — is a condition in which a physical body s mass equals the mass it displaces in a surrounding medium. This offsets the force of gravity that would otherwise cause the object to sink. An object that has neutral buoyancy will neither sink nor rise.… …
