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by hectmarr
Sun Nov 06, 2022 6:11 pm
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Re: A brand-new ignition method

I am sure that what you propose will work well, it is an interesting solution. it must only be ensured that the intermediate rupture disc is destroyed at a pressure greater than the mixture pressure in the higher pressure combustion chamber. The practical limit is when the low pressure chamber needs...
by jackssmirkingrevenge
Mon Nov 07, 2022 9:21 pm
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Re: A brand-new ignition method

If in a closed chamber I manage to introduce propane and compressed air within the range of stoichiometric proportions, at 100 bar, with a proper ignition, will it explode? :? With the right ignition it should, and we have proof :) I don't know if you're aware of this example that was shooting at u...
by hectmarr
Tue Nov 22, 2022 8:35 pm
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Re: Questions about pressure and flow rate

Assuming that there are two combustion chambers A and B, the volume of A is twice that of B, and the initial pressure of B is twice that of A, then theoretically, A and B should use the same amount of fuel, so their calorific values should be the same. Then the question comes, which one, A and B, c...
by jackssmirkingrevenge
Tue Nov 22, 2022 8:37 pm
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Re: Questions about pressure and flow rate

theoretically, A and B should use the same amount of fuel, so their calorific values should be the same. They use the same amount of fuel, but B generates higher pressure and will therefore outperform A by a considerable margin, because projectile acceleration will be greater. Edit: here is a compa...
by jackssmirkingrevenge
Tue Nov 22, 2022 8:34 pm
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Re: Unable to run hgdt.

Have you tried "run as administrator"?