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1978 Jet-Vette?

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Old 07-04-2018, 02:16 AM
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White_Raven
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Default 1978 Jet-Vette?

I just discovered there was a jet engine powered made a whole lot of years ago, and it's still going today. Looks and sounds amazing, but I can't seem to find anything about top speed. It allegedly did a 1/4 mile in 12 seconds, which is meh at best. Anyone here have any more info on it? The actual website is vague, and any videos I found were interesting, but lacking tech.
Old 07-04-2018, 06:12 AM
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derekderek
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Jets don't accelerate like piston engines. But they keep accelerating to 600 mph or so. Faster with afterburners. A Vette suspension and brakes has a hard time controlling the car much above 250-300...
Old 07-04-2018, 01:07 PM
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Hemi John
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I remember reading the magazine article back then. Kind of forgot about this until you brought it up. Brings back some good memories, Thx, neat stuff!!



https://www.motortrend.com/cars/chev...er-1979-issue/

Old 07-04-2018, 01:33 PM
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resdoggie
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12 sec 1/4 mile? 13 sec 1/2 mile!!!!
Old 07-04-2018, 05:08 PM
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Old 07-04-2018, 06:00 PM
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Richard454
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Last seen at Barret-Jackson a few years ago- did not hit reserve-

https://azure.barrett-jackson.com/Ev...-CUSTOM-181234


Pretty neat-

Old 07-04-2018, 09:28 PM
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theandies
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Why is one guy wearing a helmet and the other not? Weird.

I love the sound. I wonder if they use the trust, which it doesn't seem to be or the jets accessory drive and an automotive transmission.

Found my answer:
A Pratt and Whitney reduction gearbox is attached to the back half of the engine, bringing the rpm at the output shaft. The power is transmitted through a modified Turbo 400 3-speed automatic transmission, a much-strengthened driveshaft, and a 3.08:1 rearend.
Granatelli was also part of the jet powered Indy cars back in the '60's:
Jet car nearly won the Indy 500

Then there was the Crysler Jet Car:




Very cool stuff!

Last edited by theandies; 07-04-2018 at 09:38 PM.
Old 07-05-2018, 06:09 AM
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derekderek
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They used these in a few high perf boats. They are turboshafts from helicopters, not true fighter plane jets like Bonneville salt flats cars.

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