PPRuNe Forums - View Single Post - Sikorsky X2 coaxial heli developments.

23rd November 2016 | 17:06

#923 (permalink)

IFMU

Joined: Mar 2005

Posts: 1,290

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From: Poplar Grove, IL, USA

There is a public domain paper out there on the X2 predecessor. Dave Jackson's website has a link to it.
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