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any cheap blown turbo CHEAP


pyro_nate
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looking to play with the idea of building a actual electric turbocharger. (not one of those bs kits you find on ebay) looking for any and all cheap to free turbo's to cut apart and rebuild only thing i need is a good compressor housing and turbine.blown seals, bearings and melted exhuast housings are ok since I will just be throwing that stuff out anyways. After i get a turbo to play with i'll put together a thread on the build if anyone is interested in seeing it.
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your right most turbo's need to spin to 120 thousand rpm for max boost. this can be done with a high torque motor (probably a 24 volt motor) and a transmission. when finished this would require the gear cluster to have a oil feed like a normal turbo. the big advantages to this system verses a standard turbo is of coures the elimination of turbo lag and reduced temps in the turbo since it won't have exhuast gases passing through it and the final design will have a controller that will read off the throttle position sensor, engine rpm and a preasure transducer so you will be able to fully map the boost curve and set whatever preasure you want. My plans for the final product will be to use a massive turbo maybe a garret of a powerstroke. the idea is that if i'm working on turbo's for 2.0l to 5.7l engines is that buy using a turbo designed to feed a much larger engine i can then reduce the final rpm and increase adjustability but i first need to prototype a working gear cluster that can withstand the speed and load required. Edited by pyro_nate
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I'm currently looking at this as a drive motor http://www.ebay.com/itm/NEW-OHIO-2HP-1800-RPM-24VDC-56C-D-48-MOUNT-TEFC-ELECTRIC-MOTOR-/291390183440?pt=LH_DefaultDomain_0&hash=item43d8355810 combine that with a gearing system this should work perfectly. normaly i would look for a 100

% duty cycle motor but since it is unlikly someone will be on boost for longer than 10 minutes at a time it should work fine.

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well i've been playing around with a few ideas since i would have to step up the rpm 80x i could use a simple gear cluster but that might create to much parasitic loss for a 2hp motor so i've checked into a 4 to 1 gear reduction at the turbine shaft then i just have to step it up 20 times and that might be possible with a chain drive from the motor to the simple gear cluster at the turbine less drag then going complete gear driven a 10 tooth gear at the cluster and a 200 tooth at the motor plus thinking about using a slip gate at the connection between the chain and gear pack so when the electric motor is shut off it doesnt try and do a instant stop to the compressor assembly and gear cluster that could cause excessive wear on the system.
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For all the building this will take why not pick up a procharger, essentially a belt driven turbo? All the transmission work and testing has been done for you. The thing spins at 75,000 rpm so your good.

 

Set the electric motor to 1500 rpm and use appropriate pulleys between the turbo and motor to make the turbo spin at full boost and done.

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For all the building this will take why not pick up a procharger, essentially a belt driven turbo? All the transmission work and testing has been done for you. The thing spins at 75,000 rpm so your good.

 

Set the electric motor to 1500 rpm and use appropriate pulleys between the turbo and motor to make the turbo spin at full boost and done.

yes that is a idea and very simular to what i want to create BUT It would be alot bigger than what i want. I'm also trying to create a new product and the cost to build each unit would tripple if i used a prochager.
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actualy looking forward to it. been wanting to do this project for a while. if everything works than i hope to sell the kit for about the same as you would get any other turbo kit but give a whole new option to forced induction.
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I'm very curious, interested and supportive, hence want to see my old turbo put to your use. I actually have a t444e turbo that's leaking oil sitting on the bench at work. Too bad I can't send that your way, it would be perfect. However, I have questions, with good intentions.

 

You make this sound too easy. Even I don't think it's hard (hence procharger idea). So what is missing that it's not in the market yet. Just read an article on Audi's experiments with electric turbos. They had to use a 48 volt system. It quoted the company stating that the technology isn't there yet to make this work well. Audi is a master at designing and pushing unproven ideas into the market at consumer expense, and if they say it's not ready, what are we missing?

Edited by Malykaii
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