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Electric SuperChargers Hmmmm :roll:
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paulc
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PostPosted: Sat Apr 26, 2008 11:39 am    Post subject: Reply with quote

ge2589 wrote:
reason its so cheap is cause it only booast up to 8 psi which is nuthin u can buy toyota supers for bout 300 bucks ive already bought one for my NL im just retro fitting it to suit the engine


Try and boost 8psi and see how hard it is. Using a belt drive Supecharger takes about 10-20HP to run depending on the Engine Size and Blower type. If it requires even only 10Hp (7.5KW) to run a supercharger to 6-8psi imagine the size of the electric motor required to reach this boost level. I am sure some people on here have seen a 240 or 415 volt 7.5KW electric motor, they are not small. They are the size of your Toyota Supercharger. So the whole thing is a scam. If you could get that boost with an electric supercharger for a cost of $150.00 every car Manufacturer in the world would be using them. As for you Toyota Supercharger, what size is it. Most of them suit less than 3.5lt and yes you can get them for $300.00 second hand but make sure you get it Reco'ed before using it, then add to the cost injectors, fuel pump, regulator and you will be getting there. Also you will find that the Toyota Superchargers won't punch much past 8-10psi on your application.
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ge2589
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PostPosted: Sat Apr 26, 2008 8:11 pm    Post subject: Reply with quote

yeh guys i got the same reply from jeff sounds a bit doggy belt driven would be better anyway cause u could change the pulley
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EL__Fairmont
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PostPosted: Sat Apr 26, 2008 10:38 pm    Post subject: Reply with quote

most of the ones there flogging off on EBAY as electric supercharges are just marine bilge blowers.

http://www.boatingandleisureworld.com.au/xcart/product.php?productid=17971

http://www.youtube.com/watch?v=Ik-POf-S08A
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schnoods
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PostPosted: Sun Apr 27, 2008 1:08 pm    Post subject: Reply with quote

No such things as free and easy horsepower.

They had a bit of a scam a few years ago with negative pressure supercharging, basically it used something from the exhaust side of things, IE its crap and theory.
http://www.impulsengine.com/kits/index.shtml

A bit how its supposed to work, love the part about the hot air induction LOL.

http://www.impulsengine.com/how/index.shtml


I cam across this when looking for a decent 360 chrysler motor, for that sort of money and power figures it wouldnt need to be "supercharged".
http://www.impulsengine.com/kits/fullkit-stage7.shtml


Honestly, I'd like to see a honda motor with this s**t on it as well as a Brock Polariser and electric computer fan, or even one of those crappy plastic turbo casting with nuts and electrical fittings in it with a pulley on the front that were called centri blowers along with a resistor chip. Honestly if you have to ask does it work, it probably doesnt, especially if its cheap and any product where its all theory with the way the air flows in with the circular motion to get better ionisation while the planets are all aligned to gain an extra 30 hp...... There must be some stupid people out there......
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ltd351T
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PostPosted: Sun Apr 27, 2008 6:58 pm    Post subject: Reply with quote

electric superchargers work heaps good, ive tested them all and they deliver POWA
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98el16
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PostPosted: Sun Apr 27, 2008 7:46 pm    Post subject: . Reply with quote

Quote:
electric superchargers work heaps good, ive tested them all and they deliver POWA


Are you serious?
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data_mine
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PostPosted: Sun Apr 27, 2008 10:53 pm    Post subject: Reply with quote

The math is simple. the 'blower' does 1100CFM (probably only with nil restriction, I'll ignore that bit as it doesn't matter this next bit will result in epic fail anyway*).

A 4L I6 @ 5000RPM consumes just short of 30,000cfm

So 1,100cfm has 0 chance of creating boost.

*The only way it'd ever make boost, would be at closed throttle, even then I doubt it could build any sort of pressure.


Vote, the electric charger threads, are banned, and people starting them get banned too.
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ISQUIK
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PostPosted: Sun Apr 27, 2008 11:23 pm    Post subject: Reply with quote

lol maybe you just need to strap 30-40 of them together?
then you might as well buy a real turbo/supercharger which are actually tried and proven to increase power.
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data_mine
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PostPosted: Sun Apr 27, 2008 11:57 pm    Post subject: Reply with quote

Even at idle (750rpm) the 4.0 takes more than 4000cfm.
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ltd351T
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PostPosted: Tue Apr 29, 2008 8:02 pm    Post subject: Re: . Reply with quote

98el16 wrote:
Quote:
electric superchargers work heaps good, ive tested them all and they deliver POWA


Are you serious?


yeah they work great, reducing the vacuum in the inlet, POWA for free to be had

we tested them with NOS also, the POWA blew the welds on the intake
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Froudey
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PostPosted: Tue Apr 29, 2008 8:34 pm    Post subject: Re: . Reply with quote

ltd351T wrote:
98el16 wrote:
Quote:
electric superchargers work heaps good, ive tested them all and they deliver POWA


Are you serious?


yeah they work great, reducing the vacuum in the inlet, POWA for free to be had

we tested them with NOS also, the POWA blew the welds on the intake


You can't be serious..
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schnoods
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PostPosted: Tue Apr 29, 2008 9:35 pm    Post subject: Reply with quote

I think he took something from you, I think it was the Piss!

icon_razz.gif
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ltd351T
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PostPosted: Wed Apr 30, 2008 5:12 pm    Post subject: Re: . Reply with quote

Froudey wrote:
ltd351T wrote:
98el16 wrote:
Quote:
electric superchargers work heaps good, ive tested them all and they deliver POWA


Are you serious?


yeah they work great, reducing the vacuum in the inlet, POWA for free to be had

we tested them with NOS also, the POWA blew the welds on the intake


You can't be serious..


everyone rags on them but we ported the tube and polished the propeller, the sound was different you could just tell it was better.
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98el16
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PostPosted: Wed Apr 30, 2008 6:46 pm    Post subject: . Reply with quote

ok, your a funny man if your making a funny but if your not? then i don't know what to think, but it is funny every way you look at it.
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ebs_4l
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PostPosted: Wed Apr 30, 2008 8:12 pm    Post subject: Reply with quote

data_mine wrote:
A 4L I6 @ 5000RPM consumes just short of 30,000cfm

how sure are you about this??

when i looked at the math, i got around 350cfm (10000l/m), thats even at 100% VE...
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data_mine
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PostPosted: Wed Apr 30, 2008 8:36 pm    Post subject: Reply with quote

I used an online calculator, maybe it's borked.

I used this one:
http://www.ajdesigner.com/phpengine/engine_equations_air_flow_rate.php

243ci
5000rpm
83% VE
and I rounded up to 30000
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Froudey
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PostPosted: Wed Apr 30, 2008 8:44 pm    Post subject: Reply with quote

In theory an electric charger would work though wouldn't it?
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data_mine
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PostPosted: Wed Apr 30, 2008 9:10 pm    Post subject: Reply with quote

In theory for sure.

But when you think a top fuel dragster blower takes several HUNDRED KW to even run it, you'd need an electric motor of similar power to have the same effect.

100KW from 12V would equal 8333Amperes - try get an alternator to run that.
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Steady ED
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PostPosted: Wed Apr 30, 2008 9:29 pm    Post subject: Reply with quote

data_mine wrote:
I used an online calculator, maybe it's borked.

I used this one:
http://www.ajdesigner.com/phpengine/engine_equations_air_flow_rate.php

243ci
5000rpm
83% VE
and I rounded up to 30000

I got ...
air flow rate = 351.5625 foot^3/minute
...using 100% VE.
Try "1" for 100% instead of 100.
I don't think theres a turbo in the world big enough for 10,000% VE icon_lol.gif
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ltd351T
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PostPosted: Thu May 01, 2008 4:48 pm    Post subject: Reply with quote

leaf blowers unite.....rolling in my honda, ice ice baby.....yeah

in my hood we represent, lectrik blowers FTW.

the G tech says we were faster with the blower, even faster with the NOS...
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