The “Gipsy 1” had a low thrust line which posed a clearance problem for airframe designers, so the “Gipsy Major” of 1932 was inverted to offer more clearance for the propeller.

The basic layout was unchanged – four cylinder, in-line, and the power rating was raised to 130 - 145 hp for 305 lb weight.

The most important application was the classic “Tiger Moth”.