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#1
Whipple Twin-Screw Supercharger 1600A
nickmitty
Posted on: 2011/5/1 9:11
Do you think this Whipple would be over kill on A15 motor ?? Overall Length:420mm
Width:220mm Height:135mm Snout length: 140mm Displacement: 1.6 Liter/Rev Max continuous RPM: 18,00 Max Peak RPM : 20,00 Max CFM : 1120 Max PSI : 30psi Peak VE : 99% Inlet Dimensions : 120 x 35mm Outlet Dimensions : 140 x 80mm  
#3
Re: Whipple Twin-Screw Supercharger 1600A
clyons8
Posted on: 2011/5/1 9:35
I reckon that's definitely on the too big side.
18,000 & 20,000 Probably more suited to 2 - 3 litre motors, but it kinda comes down to how you set it up and what you want from it. Pricey that one.
#4
Re: Whipple Twin-Screw Supercharger 1600A
lamb_daiquiri
Posted on: 2011/5/1 9:45
That depends on how much boost you want. Spinning at crank speed it will pump roughly 2.1 times the engine displacement in. The boost pressure will depend on eficiency of the compressor and any intercooling. Intercooling will reduce temp and pressure giving more power for the same pulley ratio. Without intercooling I'd guess at about 18 psi boost. Probably fine with e85. With intercooling it would be closer to maybe 16psi boost and you may get away with PULP fuel with good tuning.
You'd never use it's full range though, you could happily use that charger on a 3-4 L engine. Take this with a grain of salt as it's a bit of a thumb rule based guess.
#5
Re: Whipple Twin-Screw Supercharger 1600A
A14force
Posted on: 2011/5/1 10:08
It wouldn't be overkill, but it would take a pretty serious engine to take proper advantage of it.
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