Description of dual plane convertible from biplane to monoplane which is manufactured by Simplex Aircraft Corp.; as one-place open land biplane equipped with Whirlwind Five 165-hp. engine, top speed is 125 m.p.h. and landing speed 45 m.p.h., and equipped with Whirlwind Seven engine top speed is 150 m.p.h.; as monoplane equipped with Whirlwind Five top speed is 140 m.p.h., and with Whirlwind Seven 165 m.p.h.
Simplex red arrow dual plane
West. Flying
Western Flying ; 6 , n 4
1929
2 Figs.
Article (Journal)
English
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Simplex. simplex Red Arrow Planes
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