Multiplane | |
---|---|
Johns Multiplane ready for testing circa 1919 | |
Role | Experimental aircraft |
Manufacturer | American Multiplane Co. |
Designer | Herbert Johns |
First flight | 1919 |
Status | Scrapped |
Number built | 1 |
The Johns Multiplane was a very large unsuccessful experimental aircraft having seven wings and six ailerons, powered by three Liberty L-12 V-12 aircraft engines. The machine had the appearance of a biplane spliced onto the front of a triplane with two wings added at the rear. The center fuselage housed the cockpit and one engine in tractor configuration. Both side booms ended with wing-mounted engines in pusher configuration. The aileron control force was found to be extremely high.
Designed by Herbert Johns of the American Multiplane Company in Bath, New York, Patent # 1,365,995 Flying Machine was granted to Charles A. Herrmann, also of the American Multiplane Company on Oct. 3, 1916. [1]
The massive septi-wing made a series of short hops during testing, but was eventually scrapped in 1920 [2] due to its inability to maintain controlled flight.
General characteristics
Performance
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