S. became Managing Director (before joining the Airscrew Co. Other changes included wings of slightly greater area and an airscrew of larger diameter. The GAL.47 was a twin-boom configuration with a pusher airscrew. The first products under the Master Airscrew brand were produced in 1976. The two crankshafts were geared to and drove a single common airscrew shaft. This aircraft briefly used a four-bladed propeller, but soon reverted to the original two-bladed airscrew. Watts remained as chief designer from 1925-7 but moved to The Airscrew Company in 1932. The company changed its name to The Airscrew Company and Jicwood Ltd in 1950. Airscrew was approached by Saunders-Roe in October,1958 for a fan design for the SR-N1hovercraft.