This was Pavel Sukhoi’s OKB first attempt into the jet aircraft design. Conceived as a purely research aircraft in late 1942, this dandy artifact had an annular intake scoop placed the fuselage just behind its teardrop-shaped cockpit capsule. The nose section would have housed both the cockpit and a fuel tank, and was to be attached to the larger diameter central fuselage by four pylons. The central fuselage was to contain the “half-step” composite jet engine: a classic air-cooled engine -with an oil cooler- driving a pair of co-axial propellers was employed to supply compressed air to a sort of jet engine’s fuel injection/combustion chamber placed in the tapered tube. Complex enough?. The project never left the drawing board.
Very Soviet style artist’s impression of the subject. It could have been really something.