Zehrer returned to Berlin and became the manager of the Stalling publishing house in 1938.
On November 10, less than two days before the trial was to begin, Ray dismissed Hanes and replaced him with the flamboyant Percy Foreman, a move that was seen by many as a stalling tactic.
A very sophisticated conical intake was featured on the SR-71's Pratt & Whitney J58s that could move a conical spike fore and aft within the engine nacelle, preventing the shockwave formed on the spike from entering the engine and stalling the engine, while keeping it close enough to give good compression.
The "3-1-0" system was adopted by FIFA after various football leagues around the world had used it to reduce the number of stalling draws.
The aircraft was first flown on 5 January 1925 and delivered to the Marine Aircraft Experimental Establishment at Felixstowe on 14 March, where it was subjected to a series of strenuous tests, including dropping the aircraft onto the water by stalling it at a height of 30 ft (9 m): the aircraft withstood all trials, and after a year an inspection revealed only negligible corrosion.
Stalling entered the corporate world following college and eventually moved to Dallas, working in product development for Frito-Lay.