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02-06-2012, 06:58 PM | #1 | |
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Rumor: Next Gen WRX to use electric turbo.
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02-06-2012, 07:05 PM | #2 |
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Extremely interesting. Sounds like this could open up a whole new thing for FI. Maybe solve some space problems for a turbo in the FRS/BRZ.
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02-06-2012, 07:10 PM | #3 | |
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02-06-2012, 07:15 PM | #4 |
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Hmm, sounds good to me. Maybe it's a good thing I'm leaning toward waiting on the FR-S for another year or so..
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02-06-2012, 07:22 PM | #5 | |
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Agreed. Let the mass hysteria die down. See if any news of TRD/STI versions comes out and any other news on other cars. Let all the kinks be worked out of first year model. |
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02-06-2012, 07:37 PM | #6 |
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Interdasting
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02-06-2012, 07:41 PM | #7 |
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I like it.
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02-06-2012, 07:42 PM | #8 |
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If they really pull it off, props to them. This is the next step in hybrid tech, moving electrical load to a waste pressure recovery turbine.
It also allows the turbine to run at low backpressure, with supplemented energy from the crankshaft for the supercharger. |
02-06-2012, 08:13 PM | #9 | |
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I wonder if they're looking a few years forward in terms of rally homologation?
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02-06-2012, 08:24 PM | #10 |
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Yep, like F1 but this is actually better. I think in F1 they want to use the secondary turbine after the first turbine which is directly hooked up to the compressor.
If the entire system is electric, then transient response is no longer much of an issue because you can "borrow" energy from the battery and stuff, so you can fit a bigger turbine which causes low backpressure, and then use shaft power to supplement the supercharger if the turbo isn't up to speed. Basically, in your typical turbocharged car the turbine is the biggest compromise. The turbine can't overpower the compressor, despite there being a huge excess of energy in the exhaust, so it blows most of that energy by. Since turbines operate best near their maximum speed, the turbine is not attached to the engine, but this creates a transient response issue and thus the turbine housing intentionally creates some backpressure to give the compressor more power. |
02-06-2012, 08:28 PM | #11 | |
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02-06-2012, 08:46 PM | #12 | |
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STI is out now as well http://www.ft86club.com/forums/showthread.php?t=3609 nothing spec. Last edited by Slide; 02-06-2012 at 09:11 PM. |
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02-06-2012, 08:46 PM | #13 |
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The FIA rules are honestly quite baffling sometimes...they have these beautiful flywheel systems and insanely high specific output motors that can capture ridiculous amounts of energy...and then they limit how much they're allowed to use. This is in a race setting where a hybrid system actually gives a power/weight advantage if done right.
I bet the way they set up the turbocompounding thing has to do with the rules too. With their money, they could easily do a full electric boost system. Personally I think some of the aero restrictions are stupid too but I guess there are counterarguments. |
02-06-2012, 08:50 PM | #14 |
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