The Blackhawk Aircraft partners Slower and Rheinhardt second model, the Model M, serial 2, featured wooden wings, tubular steel fuselage and tail, with a 60 hp Anzani engine.
The first flight was on 3 August 1933.
Stored in a garage, the Model M was re-discovered by Elden Langley of Norfolk, Massachusetts. Langley restored to one-of-a-kind which flew again on 13 June 1964. Unable to locate a workable Anzani a Franklin 90 hp was installed. The cost of acquiring and rebuilding, including the replacement engine, was $2000.
Engine: Franklin 90 hp
Span: 30 ft
Airfoil: USA 35A mod
Wing chord: 65 in
Length: 17 ft
Height: 6 ft 2 in
Empty weight: 840 lb
Gross weight: 1200 lb
Top speed: 70 mph
Cruise: 65 mph
Landing speed: 30 mph
Endurance: 3 hr 30 min
TO to 50 ft: 1000 ft
All Aero 