in late 1950's were German development of a Lox/Kerosene rocket-engine for Jet Interceptor.
High pressure, regenerative cooled staged combustion cycle with 10 tons trust, cooled by Lox!
After interceptor program was canceled, MBB overwork it to ELDO-HDTW Engine with Lox/LH2
For Europa IIIB and IIID Booster proposal, after that was canceled MBB, got a request by Rocketdyne
for a patentrights on ELDO-HDTW, that became later the Space Shuttle Main Engine
Source on Interceptor engine and Rocketdyne connections.
Grenzenlose Dimension Raumfahrt
Harry.O. Ruppe
ISBN-3-430-17884-7
Page 141
Source on ELDO-HDTW
LRT16 (1970) Nr. 4 April
page 81-111
special thanks to Barrington Bond for the LRT16 info
Picture
left MBB HDTW right french rocket engine
