Soviet Mixed Power Experimental Fighter Aircraft Piston-Liquid Propellant Rocket Engine/Piston-Ramjet/Piston-Pulsejet & Piston-Compressor Jet Engine Designs of the 1940's The intent of this research paper is to provide an overview of the Soviet experimental fighter aircraft programs employing mixed power plants - piston-liquid propellant rocket engine, piston-ramjet, piston-pulsejet and piston-compressor jet engine accelerator technology, in the World...