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Electric Superchargers
01-16-2012, 01:44 PM
#42
Reducing lag is a very different application from doing the whole job of
feeding a big motor at the big end.
Electric cars do not throw power through a skinny wire and they don't
source it from a 100A alternator (which is 2HP or so max output).
5PSI@500CFM is about 11HP in the gas. If you had a nice 90% efficient
motor call it 12HP electric. That's 600A from your electrical system.
You are not going to get that from the alternator and you're not going
to get it from your battery for anything more than a quick burst.
That puts it in a nitrous kind of use model, not continuous high power
output.
A basic understanding of physics is not ignorance. Calling people who
do have it "ignorant" for not buying the same hype you do, is.
feeding a big motor at the big end.
Electric cars do not throw power through a skinny wire and they don't
source it from a 100A alternator (which is 2HP or so max output).
5PSI@500CFM is about 11HP in the gas. If you had a nice 90% efficient
motor call it 12HP electric. That's 600A from your electrical system.
You are not going to get that from the alternator and you're not going
to get it from your battery for anything more than a quick burst.
That puts it in a nitrous kind of use model, not continuous high power
output.
A basic understanding of physics is not ignorance. Calling people who
do have it "ignorant" for not buying the same hype you do, is.
I have more than a basic understanding of physics btw. I'm not buying the hype either, I'm just stating the obvious fact that technology progresses. People who lampoon new developments are usually the people who look like fools when the tech takes off. Might as well give this stuff the benefit of the doubt.
01-17-2012, 01:59 AM
#47
Talking seriously here, a 12volt electric system just cant delever the power needed to move any kind of air.
Take a look at the below link. This is a electric fans used in model aircraft. There is a vid to. Now note what voltage the motors run at, 44.4volts and need 110amp to run! a standard car system could not provide that much power unless im mistaken.
http://shop.rc-electric-jets.com/RC-...DF120-1A83.htm
The only effective way to use electric motors in cars is to use the to drive the wheels direct as a secondary power provider (aka the F1 KURS systems).
Chris.
Take a look at the below link. This is a electric fans used in model aircraft. There is a vid to. Now note what voltage the motors run at, 44.4volts and need 110amp to run! a standard car system could not provide that much power unless im mistaken.
http://shop.rc-electric-jets.com/RC-...DF120-1A83.htm
The only effective way to use electric motors in cars is to use the to drive the wheels direct as a secondary power provider (aka the F1 KURS systems).
Chris.
11-27-2012, 05:37 PM
#48
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I know this is a "thread resurrection"
But I can't believe the ignorance here, I thought this forum was a pretty intelligent level headed group.
Now I will start off by saying I think an electric supercharger is a poor option compared to a standard supercharger or turbo charger.
But, an electric supercharger is absolutely a feasible option. They are powered by an additional set of batteries that have the voltage stepped up through a multiphase motor
controller. The unit is used in short bursts, like a few seconds at the 1/4 mile or a drag race. Once used the alternator recharges the set of batteries. So just to clarify the alternator does not directly power the supercharger.
So obviously it has its downfalls, it can't be used continuously and it is a lot of added weight, not to mention for a proper setup it would be more expensive than a conventional supercharger.
The upside is that it is unique and has a lot of adjustability and tunability.
But I can't believe the ignorance here, I thought this forum was a pretty intelligent level headed group.
Now I will start off by saying I think an electric supercharger is a poor option compared to a standard supercharger or turbo charger.
But, an electric supercharger is absolutely a feasible option. They are powered by an additional set of batteries that have the voltage stepped up through a multiphase motor
controller. The unit is used in short bursts, like a few seconds at the 1/4 mile or a drag race. Once used the alternator recharges the set of batteries. So just to clarify the alternator does not directly power the supercharger.
So obviously it has its downfalls, it can't be used continuously and it is a lot of added weight, not to mention for a proper setup it would be more expensive than a conventional supercharger.
The upside is that it is unique and has a lot of adjustability and tunability.
11-28-2012, 07:31 AM
#51
With the money spent on a short burst electric supercharger, buy a freakin 50hp shot of nitrous and save thousands of dollars and hundreds of pounds of weight.
Doing something different, just to be different, doesn't make sense. Using an electric motor, to power a blower to add hp to an internal combustion engine is just such a case.
Doing something different, just to be different, doesn't make sense. Using an electric motor, to power a blower to add hp to an internal combustion engine is just such a case.
11-28-2012, 02:28 PM
#52
TECH Resident
Wow. Back in the day, someone once said, "Doing something different just to be different doesn't make sense. Putting a system in place to inject an oxidizing gas into the intake of an internal combustion engine is the stupidest thing I've ever heard of, just put a bigger carburetor on the dang thing."
Its exactly That kind of attitude that inhibits innovation. If everyone took that attitude, we'd all be riding horses still. Bravo!
Its exactly That kind of attitude that inhibits innovation. If everyone took that attitude, we'd all be riding horses still. Bravo!
11-28-2012, 02:40 PM
#53
Wow. Back in the day, someone once said, "Doing something different just to be different doesn't make sense. Putting a system in place to inject an oxidizing gas into the intake of an internal combustion engine is the stupidest thing I've ever heard of, just put a bigger carburetor on the dang thing."
Its exactly That kind of attitude that inhibits innovation. If everyone took that attitude, we'd all be riding horses still. Bravo!
Its exactly That kind of attitude that inhibits innovation. If everyone took that attitude, we'd all be riding horses still. Bravo!
11-28-2012, 05:26 PM
#58
TECH Resident
How about 300-400hp? Baby steps. That's why people take the leap and try new (unproven) things.
Naysayers. Rofl! But always there to scoop up the benefits AFTER the hard innovative work has been done. Lol.
Naysayers. Rofl! But always there to scoop up the benefits AFTER the hard innovative work has been done. Lol.
