Quote:
Originally Posted by Wild Weasel
First is the question of restriction. If you've gone through my site and all the details, you'll see that I tested two of these e-blowers and that the smaller of the two caused an intake restriction at higher rpm's when running with my M45. That's definitely a problem. Of course, the solution is simply to use the larger one, which is a little less efficient on the bottom end, but more on the top and is easily able to keep up with my CFM requirements. That's what gave me the wonderfully level boost curve with added power all the way to redline.
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Would it be possible to just put lightly sprung blow-off valve (blow-in valve?) after the air filter but before the compressor intake, that would bypass the compressor when it was turned off? Maybe put a small solenoid (wouldn't take much to just help it open) and have it lightly sprung so that when you were boosting it was forced shut?
If so, would it be helpful in running the smaller blower? Just curious - it's an idea that came to mind with this system.