Finally the areodynamic speed of sound barrier was not considered a theoretical barrier that could not exceeded.
Regards
Steven[/QUOTE]
Steven not to hijack the thread but could you expand a bit on the above. You have emphasized 'theoretical' and that to me means you are using the word pointedly.
However, as I understand the history... the whole point of the American program was to find out if it was possible to break the sound barrier. they thought they could but they did not know they could.
As no one knew the answer and the whole program was developed to find the answer it seems to me that they had a theory and they tested it?
brian
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