The 1934 Arup S-3 was a two-place flying wing larger version of S-2 with ailerons moved flush with the wing-tips, and tricycle gear.
Registered N14147, it first flew on 15 July 1934.
It was destroyed by an unsolved arson fire after its test flight.
Engine: 70hp LeBlond 5DE
Wingspan: 22’0″
Length: 17’6″
Useful load: 490 lb
Max speed: 97 mph
Cruise: 90 mph
Stall: 20 mph
Seats: 2
All Aero 