Heinkel produced twenty variants of the project between July 6 and October 3, 1944. All variants would have been armed with two 30 mm
MK 108 cannons.
He P.1073 01 4 This was the original design of the jet-powered fighter project. It had a
v-tail and
swept wings fitted with a streamlined 500 liter fuel tank on each wing.
He P.1073 01 8 Project for a high-altitude
reconnaissance aircraft. It was also a slightly asymmetric jet-powered plane like the earlier design, but with the cockpit located at the front end of the fuselage. The design included an alternative version with a high aspect ratio upswept wing.
He P. 1073 02 A variant with
forward-swept wing. ==Specifications==