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Crocker-Hewitt Helicopter Project

hesham

CLEARANCE: Above Top Secret
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From Aerophile 1921,


here is the Crocker-Hewitt helicopter project of 1917,which designed in USA and
intended to involve in WW1;


http://aerofiles.com/_cl.html


Crocker-Hewitt
Francis B Crocker and Peter Cooper-Hewitt.
1917 = Helicopter intended for use in WW1. Configuration was a coaxial rotor system with two wing-like blades per rotor. Was not built, but an advanced rig was built and tested in Ampere NJ in 1918—rotors were 51'0" diameter, and with two 100hp electric motors a maximum lift of 4000# was achieved.
 

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hesham

CLEARANCE: Above Top Secret
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Also from Aeronautique;


http://gallica.bnf.fr/ark:/12148/cb343878271/date.r=.langFR
 

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VictorXL188

Former Aviation journalist/writer
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For further info on Cooper-Hewitt, you may want to read this:
 
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