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Aerodynamics & Engineering - 8/6/2002 6:55:02 PM   
Guardian



Posts: 245
Joined: 1/26/2002
From: SARASOTA, FL, USA
Status: offline 		Hey guys I am building my own heli from scratch, and just wanted to know what are some good engineering books and good aerodynamic books on how to build helis ? any advice for building a heli from scratch ?

Mike

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Guardian

The man , the myth , the crashing legend
       Post #: 1

Aerodynamics & Engineering - 8/7/2002 9:47:00 AM   
ilikeplanes


 

Posts: 1058
Joined: 3/30/2002
From: portland, OR,
Status: offline 		Wow, I'm impressed. I used to work for Columbia helicopters as a design engineer. We flew Boeing model 107 and 234 (civilian versions of the Sea Knight and Chinook) helicopters for logging, fire fighting, construction, etc. I got a supplemental type certificate to convert the 234 bladder tanks to wet-cell type. I was also exposed to airframe, engines, transmission, flight controls, electrical, hydraulics, and avionics. I've taken more helicopter rides than I care for.

You should make this a research project. Start with the original Igor Sikorsky technical papers and work your way through to modern technology. The flight controls on a tandem rotor, for example, are very interesting. The whole discovery of gyroscopic precession as it relates to helicopter control is also interesting. I think Igor discovered/invented the lead-lag and flapping hinge and subsequent dampers. Then there is the engineering behind power, gearing, rotor diameter, rotor speed, tail rotor speed, and on and on.

Good luck.

(in reply to Guardian)
       Post #: 2

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