Crocker-Hewitt Helicopter Project

[hesham]

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.

 

[hesham]

Also from Aeronautique;


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

 

[VictorXL188]

For further info on Cooper-Hewitt, you may want to read this:

Peter Cooper Hewitt

Peter Cooper Hewitt, inventor and scientist, was born on March 5, 1861 in New York City to Abram and Sarah Hewitt. Peter inherited much of his grandfather's genius for mechanics. He was...

www.ringwoodmanor.org

 

[Apophenia]

Scientific American artwork ...