Nameless Russian (civil) compound helicopter

boxkite

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Can anybody identify this Russian helicopter design with additional forward propulsion? It’s from the “Bulletin of the Russian Aviation Research Group of Air-Britain” No. 155, p. 36.

(Sorry for the bad quality.)
 

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Tophe

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Obviously, this is a derivative of the Kamov Ka 26/126/226/228 but I don't know its code. Ka 326? That would be pleasant.
Question: as this looks more to the original 26 than the final 228, do you know the date of this drawing?
 

boxkite

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Unfortunately, there is no date. Not later than September 2003 (this is the publication date of the mentioned bulletin.)

Sorry :(.
 

Vahe Demirjian

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The book Unflown Wings says that this design may have been jointly conceived with RKIIGA (Riga Red Banner Institute of Civil Aviation Engineers) by Kamov.
 
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