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| Re: E--supercharger |
Subject: Re: E--supercharger
by jmac on 2016/5/27 14:52:48
I agree the battery CAN be recharged at cruise, so that AT BEST relegates the idea to drag racing, or the occasional/emergency overtaking manouever. It'd also be interesting to see that dyno graph if the motors were run for more than say, 15-20 seconds (guesstimate admittedly, and I know sikyne is absolutely 100% integrity, the graphs and data are legit, no argument or aspersions there) of the dyno pull, as wiring starts to heat up and battery drains and all the rest. the power will almost certainly drop off. If the application doesn't require it then that's no issue whatsoever, but even with some very fast cars I've had over teh years, i've (and obviously this means I'm admitting to driving illegally and I don't endorse it nor am I proud of it, but it is what it is) run cars at full throttle for approaching a minute, and then with a short term let off, back on the throttle and so on. If 'that' is what the app requires, belt or exhaust gas driven is still going to destroy it.
THe McCulloch/Paxton blowers seen on studebakers and also available as kits in the 50s or thereabouts used a fairly primitive compressor wheel/housing design to be sure, but they also had a variable drive. It wasn't adequately reliable when pushed beyond stock/intended applications/boost levels but nonetheless showed promise, and I wonder if a modern take on it might have some potential.
Obviously stuff like lysholm compressors absolutely are a considerable cut above a rootes type but that in and of itself is sort of secondary to the drive method imo. don't get me wrong, I think it has application, particularly in some sort of hybrid/combination situation where it can be used to create boost off idle or similar, but there's still usefullness in the relative simplicity and know quantity of engine or exhaust gas drive.
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