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Old 17th April 2019, 09:39 AM   #32
Critical Thinker
Join Date: Mar 2019
Posts: 286
Originally Posted by JayUtah View Post
The velocity of gas exiting a de Laval nozzle for a given pressure is observed many times in the laboratory. The de Laval nozzle is not used only in rocketry.

Assumes facts not in evidence. It is also unclear what evidence you think would be supplied by "video of rocket in space," edited or not. You need to supply a line of reasoning here.

That has nothing to do with how rockets work and nothing to do with fluid dynamics in general. Your expectations are misinformed.
So you are saying that rockets donít work due to pressure build up in the rocket chamber and the eventual release of pressure to low pressure?
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