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Old 09-19-2005, 11:16 PM   #1
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Default Aircraft Turbos?

I was looking for deals on this military surplus auction site, when I spotted this:

Yes, that's a 12-inch ruler underneath it. I'm not sure exactly what type of turbo it is, or what its use has been, but it was classified in the "Aircraft Turbosuperchargers" section. This got me thinking, would it be feasible to adapt one of these aircraft turbos to work on a car? Is there some kind of fundamental difference that would prevent it from working? Not looking for reliability/ease of installation here, I'm just looking for something fun to do with a little "project car" of mine. I suppose I'd need to find something a little smaller, though...
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Old 09-20-2005, 01:50 AM   #2
STi-Nismo Dood
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your post needs an emoticon far crazier than any of the ones listed to be expressed as a reply
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Old 09-20-2005, 02:01 AM   #3
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Those holset turbos for aviation use wouldn't work very well on a car. The PR the cold side is designed for would be OK with a high boost application... but it just flows way too much air for anything less than like 12 liter radial aircraft engine to inhale. The A/R on the turbine side is also so huge it's not even funny.

It might make a decent turbo for a large high boost V8 car that spends its life on the drag strip... but not on anything to have ever come out of Japan.
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Old 09-20-2005, 02:11 AM   #4
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you'd need like titanium everything and like 600 octane race gas.
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Old 09-20-2005, 09:31 AM   #5
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ya ....cant do it with that, what is so attractive about these aircraft turbos to you? how much do they want for that monstrocity?
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Old 09-20-2005, 09:56 AM   #6
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He already stated that he is looking for something smaller.
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Old 09-20-2005, 11:53 AM   #7
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I would really be surprised if that was a aircraft turbo-looks more like a old ass holset WHD2 from a truck. Those military auction sites are usually VERY VERY sloppy about correcltly labeling stuff....but they are cheap!

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Old 09-20-2005, 12:30 PM   #8
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I checked the site again, even though that turbo is classified under Aircraft Parts, it's been manufactured by Cummins, so I would say it's likely a diesel application anyway.

I was thinking aircraft turbos might be interesting because:

1. They're cheap. When they DO sell at auction on that site, it's usually <$50.
2. Half the fun would be getting it to work. Kind of like reddevil's M60 supercharger project.
3. It's a $100 car I'd be putting it in. If it doesn't work, no big deal. If it works TOO well and blows something up, no big deal.
4. There's something magical about having part of a fighting aircraft in your car.

But, based on what no-coast-punk has stated, I'm guessing it would be impractical or impossible to get one of these to work. I was hoping the military might have used turbosuperchargers on some type of smaller aircraft engine, but that doesn't appear to be the case. It looks like most of these were designed for very large V-12 or rotary engines. Thanks for the help, everybody.
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Old 09-20-2005, 01:26 PM   #9
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Looks like it might be ok on a large turbo desiel or generator.
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