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Old 11-13-2012, 07:51 PM   #1 (permalink)
 
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Electric Supercharger?

I know when first hearing of these a long time ago I completely dismissed the idea of it being capable of providing any gains. However, is it possible for one of these electric superchargers to provide the boost they claim? I'm seeing claims between 3 to 5 PSI using one of these. On our 5.7 or 6.0 motors that could result in a decent power increase. I'm figuring however our engines take in so much air that the flow required would render any compression? I could also see reliability issues in an electric version of a supercharger. That an amperage draw is between 5 to 10 amps. Can that be supported by the alternator? Please comment with reliable information. Don't just say it can't work because that's how you feel about the product. Thanks.

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Old 11-13-2012, 07:57 PM   #2 (permalink)
 
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To borrow a term from my grand daughter: Seriously???

READ: http://www.wildweasel.ca/HowTo/Auto/eturbo.aspx
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Old 11-13-2012, 08:11 PM   #3 (permalink)
 
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Good read. That's what I figured. These electric fans spin at most 20k RPM. A turbo or supercharger reaches much higher RPM. Thanks, LOL...
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Old 11-14-2012, 05:03 AM   #4 (permalink)
 
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Yeah . . . good luck with that.
I was thinking of a bunch of responses. HP11 summed it up perfectly with that article. Thanks HP11!
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Old 11-14-2012, 07:35 AM   #5 (permalink)
 
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ahh why go electric go gas

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Old 11-14-2012, 11:09 AM   #6 (permalink)
 
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Got to love the moron(s) standing in front of a vehicle during a dyno pull......
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Old 11-14-2012, 06:48 PM   #7 (permalink)
 
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Leaf blower produces more CFM than a little electric motor. A BIG electric motor will def build boost. My killer idea back in the day was to put a air tank on the front and dispense it for boost, no loss on the motor. I went to Gartlits Museum in Ocala and they had a dragster with a big tank in the middle, already done. The reality is, if your going to install a tank, you might as well fill it with Nitrous.. Turbos and superchargers are RPM dependent on level of boost progressivelly, not all at once like a electric motor.
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Old 11-14-2012, 08:21 PM   #8 (permalink)
 
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Loading your alternator with that kind of current draw is robbing plenty of power on its own.
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Old 11-16-2012, 01:31 AM   #9 (permalink)
 
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Those things are ebay pos's. I got a cheap $20 for my alero back in the day, It actually made things worse.
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Old 11-16-2012, 06:04 AM   #10 (permalink)
 
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A 400ci motor requires 694 cfm @ 6000 rpm @ atmospheric pressure @ 100% efficiency.
A normal motor runs about 85 to 95% efficiency and at a low vacuum. To produce a boost
in intake pressure would require considerably more cfm. At 14.7 psi boost would require
2 times the flow, 1388 cfm. No small electric fan can come close.
A 24" Dia x 60" long air tank holds 15.7 cu ft @ atmospheric pressure and 160 cu ft @ 150 psi,
It could provide some boost for a few seconds, but would require special plumbing, ie, large valves,
regulators, and hosing and special valving to keep the boost for going out the intake input on
boost and allow normal intake other times.

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