Salvay-Stark Aircraft Skyhopper / Sport Aire II
Salvay-Stark Skyhopper 10 N41770
The 1946 Skyhopper 10 plans were marketed for home-builders with a 65hp Continental engine. Designed to sell for around $1,000, a prototype, N41770, was built.
The Skyhopper 10 design modified by Al Trefethen in 1959 as tri-gear Sport Aire II. Also seen under the company names of Avia-Boosters and Skyhopper, but still the same Salvay-Stark design.
It was claimed to be the inspiration for the 1948 Morrisey Nifty.
The Skyhopper 11 of 1959 two place version of the Skyhopper 10 had a greater span wing and 65-85hp Continental; also 108-125hp Lycoming. Registrations N197N, N4787T and possibly others.
Engine: Continental, 50hp
Useful load: 315 lb
Max speed: 130 mph
Cruise speed: 120 mph
Stall: 42 mph
Range: 275 mi
Engines: Continental 65-85hp; Lycoming 108-125hp