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 Rocket in a Vacuum Chamber in 4K Slow Motion - Newton's 3rd Law or Lie?

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muckyman
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PostSubject: Rocket in a Vacuum Chamber in 4K Slow Motion - Newton's 3rd Law or Lie?   Wed Jun 27, 2018 9:25 am

I always wondered if rockets really could produce thrust in space
with nothing to push against...


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PostSubject: Re: Rocket in a Vacuum Chamber in 4K Slow Motion - Newton's 3rd Law or Lie?   Wed Jun 27, 2018 12:18 pm

That's assuming space is a vacuum, which it is not. study 

If space was a true vacuum, wouldn't the rocketfuel/oxygen be sucked out the engine the moment the fuelvalve is opened? scratch
The fuel explosion would have to happen in an enclosed chamber, otherwise the fuelmixture gets sucked into space before it can burn.

 
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PostSubject: Re: Rocket in a Vacuum Chamber in 4K Slow Motion - Newton's 3rd Law or Lie?   Thu Jun 28, 2018 8:27 am

That is what they had to do in the video,the igniter would not
fire the rocket because it had no oxygen to burn so they sealed
it up,trapping enough oxygen to burn so the rocket fuel,which 
contains some sort of powdered oxiidising agent that lets the fuel
burn could ignite.

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