Thanks! The helicopter ( the second engine powers the rotors ) is even bigger than it seems. I was originally going to just build the RBT and leave it at that, but sorting through a box of parts I found an old bagged Williams
Bothers kit of a Cierva autogyro...in 1/87th! ( I think it must have been intended for railroad modelers ). That and some bits from the early Hasegawa Zero ( three different cowls, three engines and they're usual just a three to five dollars at shows make it attractive as parts source ) turned it into the K portion of the KT (Krylia Tank or Flying Tank ). It is a touch anachronistic - Antonov's attempt to turn the T- 60 into a glider dates from almost a decade after the RBT, but Whiffing, nyet?
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I got back to work on the Iron WIng over the weekend, spraying the props and Reaktor with alclad, and working on the turrets -should be some pictures thsi next weekend. Thanks again for looking in.