Quote:
Originally Posted by AN
I spent some time estimating how much air the Seadoo will flow in this application. I came up with the following table.
Assumptions and calculations :
Based on what we know about the 2 different Seadoo chargers, I have estimated that the red compressor (185hp) flows 17.36 lbs/min @ 39k rpm and the black (215hp) one flows 19.99 lbs/min @ 43k rpm. If somehow we are able to spin the black compressor to about 38~40k rpm (which I understand is a tall order), we should be able to flow roughly 18 lbs/min of air. this means in a 2.0L application we should be able to generate a little over 1.2psi of boost @ 7500 rpm. At a lower rpm, more boost will be generated but the compressor will be limited by the surge line in the compressor map.
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Those numbers would seem to indicate similar performance to the Phantom setup which isn't surprising, and I'd be alright with that. I still think there are way to many variables we can't account for here so it will be interesting to see what happens.