Has to be too good to be true
03-06-2011, 03:59 PM
#41
4th Gear Member
Join Date: Dec 2007
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Posts: 1,599
Shadow, if you wanted to do that, you could add inline boat bilge blowers from any boat store or amazon for $20 each. http://www.amazon.com/SeaChoice-4-Li.../dp/B000N9O7NO
03-06-2011, 05:39 PM
#42
5th Gear Member
Join Date: Mar 2006
Location: ATL
Posts: 2,955
No these *might* be somewhat usefull if you mounted it to a hose that sucks cold air from outside of your engine bay and runs it into your air intake but you would need a separate mounting hole for it as it wont keep up with the intake air. I doubt it would be noticeable but i suppose in theory you could provide a bit more air to the intake and lower the temp as long as your not blocking the oem intake holes
03-06-2011, 06:50 PM
#43
1st Gear Member
Join Date: Mar 2011
Location: NH
Posts: 62
Yup, I thought about this some more yesterday and had most of the same ideas you have. I think it could be even better than a standard belt driven SC. I'm real curious as to what the motor requirements would be to just to power the standard twin screw chargers that are out now. That would be an easy place to start.
Considering that you waste energy every time it changes forms, i would think that the losses encountered going from [rotating energy --> alternator --> motor to drive blower] would never be made up for by any gains in efficiency of the variable boost. Perhaps a small alternator charging a storage battery to drive a blower for short spurts (say a 1/4 mile worth), but then you might as well just use spray. $6K buys a lot of nitrous refills.
In a related thought; Ive always wondered if a variable ratio drive for a regular blower would be of any benefit?
03-06-2011, 08:57 PM
#44
Absolutely! By varying the amount of air the SC is pumping into the manifold, you can provide the exactly correct boost for the crank RPM the engine is running at. And the curve demand of fresh air is not always linear, so by varying the SC RPMs to adjust for those needs by speeding up and slowing down, you can add more torque produced by the engine.
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