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Sikorsky S-11

sikor-s11


Developed from the larger and heavier S-9, the 1913 S-11 Polukroogly (half-round) had a conventional wooden fuselage and 100hp Gnome Monosoupape engine. It was initially equipped with ailerons that were operated by steel tubes inside the wing. Trials revealed that they were not efficient, so they were replaced by wing warping. The pilot and observer sat side-by-side, with controls only for the left seat. A top speed of 100km/h, stalling speed of 70km/h and take-off run of 75m were good enough to gain the S-11 second place in the 1913 military competition for a reconnaissance aircraft; but it was not ordered into production.

 

 

 

 


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