Very interesting. I can't see any pitch control linkage to the blades.
Don't read Russian, but do they say anything about autorotation?

--
Stuart Fields
Experimental Helo magazine
P. O. Box 1585
Inyokern, CA 93527
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(760) 408-9747 general and layout cell
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www.vkss.com
www.experimentalhelo.com


"Blue" wrote in message
u...
Interesting new co-axial from Russia. Not too much info yet as it is a
prototype. However all static and ground tests made, flying time only 12
hours. More info will be available after all tests. Check out these web
sites for info.

http://www.airtrikes.net/heli.jpg

http://delta.wtr.ru/wtboard/40671.shtml

www.clubrotor.ru