![]() 05/03/2016 at 15:44 • Filed to: None | ![]() | ![]() |
![]() 05/03/2016 at 15:45 |
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Are you going to make one?
![]() 05/03/2016 at 15:48 |
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Looks like a good plan to improve F1 engine sounds.
![]() 05/03/2016 at 15:51 |
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Carrot.
![]() 05/03/2016 at 15:53 |
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I admittedly do not know much about rocket engines, but wouldn’t it be detrimental to have the exhaust nozzle(?) get white hot? I have to imagine it would deform with any bumps, if not collapse. Am I missing something? Very cool though.
![]() 05/03/2016 at 15:58 |
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It’s a jet, that’s just the afterburner. Hence why in real jet engines those parts are made of ceramics, inconel, of other high temp alloys.
![]() 05/03/2016 at 16:00 |
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I think that’s just because it’s using thin steel. As long as it doesn’t get too hot, it should be fine.
![]() 05/03/2016 at 16:06 |
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interestingly enough the engines used on the space shuttle and Apollo rockets are designed to have a layer of separation between the hot gasses and the bell cone to help shape the exhaust and keep the bell cone cool. Basically the aerodynamics of the bell cone encourage a separation layer
You can see it clearly at the VERY end of this clip
![]() 05/03/2016 at 16:11 |
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Don’t tempt him.
![]() 05/03/2016 at 16:12 |
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Looks like a pulse jet, like on the German V1 in WW2.
They’re about as simple as it gets, and they come even smaller than that one!
![]() 05/03/2016 at 16:14 |
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They pump cold liquid fuel through passages in the bell both to cool the bell and to pre-heat the fuel for combustion. My father-in-law did his doctoral dissertation in mechanical engineering in work related to that concept in the fifties.
![]() 05/03/2016 at 16:19 |
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With lots of Sriracha.
![]() 05/03/2016 at 16:20 |
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Although, I realize the one in this article uses a turbo, so I guess it is a proper turbojet.
I’ll just shut up now.
It’s been a long day.
![]() 05/03/2016 at 16:21 |
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Please see my reply to Hammerhead below. Also, with solid rocket fuel, they’ll mix the ingredients such that they form a char on the inside of the exhaust nozzle to provide an insulating layer.
![]() 05/03/2016 at 16:24 |
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yup, thats that big conical spiral on the outside of the bell.
![]() 05/03/2016 at 16:49 |
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![]() 05/03/2016 at 16:56 |
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I love that movie so much.
![]() 05/03/2016 at 17:32 |
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afterburning-turbo-charger-jet-gocart FTMFW.