 The problem could lead to the propeller detaching itself during flight—something Quill had experienced himself.Early in the Battle of Britain during an attack over south east England, pilot James Harry "Ginger" Lacey of 501 Squadron from RAF Middle Wallop, complained he had a problem with his Hurricane's engine, and felt it was too dangerous to accelerate any faster than he was.After Lacey landed the Hurricane, Summers took it up on a five-minute test flight.