Details from The Daily Telegraph for April 16, 1934 as reproduced in Steam Car Developments and Steam Aviation for June 1934:



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The sad fate of the Berlin correspondent is probably explained by the following fact; in January 1933 Hitler was appointed Chancellor, i.e. head of the German government. Clearly his rearmament plans at that time included steam aviation...

Further details of the Huettner project are proving hard to find, and for that very reason it can be safely assumed it was not a success.