Brittish Reaction Research continues down the road of a tube bundled rocket engine, in this update, finding a patent from 1932 describing the tube bundled process, although for the production of power, not a rocket engine.
My internet research frequently involves trawling through old patent documents. These often provide a wealth of information, and I’d like to share some of this with you now.
Great Britain patent 376,974 was applied for in August 1931 by the Swiss engineering firm Brown Boveri. Granted in August 1932, it has as it’s object “Improvements in and Relating to Combustion Chambers”.
This is one of the earliest references I can find depicting a combustion chamber made from tubular elements to allow a coolant to be circulated through.