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Pentecost E-III Hoppicopter


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The Hoppicopter was designed by Horace Pentecost of Seattle, Washington during World War II as a replacement for paratroopers' parachutes.  Twin co-axial rotors were powered by a 20 hp engine.

A few test hops were made; however, relying on the pilots feet for landing gear was inherently dangerous.  If the pilot stumbled on landing, the rotating rotors would quickly turn into thousands of lethal splinters.

An improved version was developed with landing gear.

     
Specifications

 

 

 

Type: Helicopter
Engine: one 20 hp (15 kw) two-cylinder piston engine
     

Related Pages

 
     
More about Pentecost Helicopters
   
     
 

 

 

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Kenneth W Shanaberger 2000 - 2010