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Sikorsky/Boeing-Vertol Heavy Lift Helicopter Concepts of 1966

hesham

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Hi,


here is a report for a heavy lift rotary wing aircraft (Helicopter),intended for US Army
Aviation Material Laboratories with Avco Lycoming company for the engines,and the
Sikorsky and Boeing-Vertol to design a proper concepts for it,but I can ID what was
for Sikorsky and what was for Boeing-Vertol,so I put them together ,and the report
was from 1966,and I read it,but no indicate for this.


http://www.dtic.mil/dtic/tr/fulltext/u2/649534.pdf
 

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hesham

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Hi,


the third concept looks like a quad one.
 

RAP

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...
 

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Bill S

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Interesting study Hesham. I downloaded, then tried extracting the general arrangements with a quick stitch.

bill
 

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  • x-Figure-24-Vertical-Engine-Installation-Quad-Rotor-Heavy-Lift-Helicoptor.jpg
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hesham

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Oh my God,many great thanks to you my dear Bill.
 
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