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Forced Induction Turbo, Supercharger, Methanol, Nitrous


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Old 04-15-2019, 11:56 PM   #10711
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Originally Posted by 86TOYO2k17 View Post
I think that would result in less boost, I think you will lose energy through the system not create more. Only way to “create” more would be adding more energy to the system or multiplying the boost by stacking them. If 1st one pushes 5psi the second one is now getting 19.7 atmospheric pressure and compressing that, making 11psi output. Either run them in tandem maybe with longer runners one blowing out by one port side and the other on the other side but with a whole merged intake to catch excessive air pressure. Or have one blow into the intake side of the other blower to multiply the boost.
...turbos take time to spool and superchargers build boost as the rpms go up....You think if having either one of the two set ups...that the sudden bump of roughly 10psi could cause some damage

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Old 04-16-2019, 12:33 AM   #10712
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Originally Posted by BlOody_BoOger View Post
...turbos take time to spool and superchargers build boost as the rpms go up....You think if having either one of the two set ups...that the sudden bump of roughly 10psi could cause some damage

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Possibly.
But my supercharger is making max boost (11psi) as soon as I go WOT at anything over about 2500rpm.

I think 10 is still on the lower side overall though. And the esc does lose efficiency/boost as rpm goes up. I think they make 5psi at 2,000rpm tapering down to 2.5psi at 7,000rpm?

I wonder also if you could set it up so that under say 4,000rpm only 1 is blowing? Then at 4000rpm when they are really only making about 4psi each or about 8.8psi stacked the second one comes on. So it would be like 5psi 2k, 4.5psi 3k then 8.8psi 4K and tapering down to about 6psi at 7k.
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Old 04-16-2019, 12:54 AM   #10713
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Originally Posted by 86TOYO2k17 View Post
Possibly.

But my supercharger is making max boost (11psi) as soon as I go WOT at anything over about 2500rpm.



I think 10 is still on the lower side overall though. And the esc does lose efficiency/boost as rpm goes up. I think they make 5psi at 2,000rpm tapering down to 2.5psi at 7,000rpm?



I wonder also if you could set it up so that under say 4,000rpm only 1 is blowing? Then at 4000rpm when they are really only making about 4psi each or about 8.8psi stacked the second one comes on. So it would be like 5psi 2k, 4.5psi 3k then 8.8psi 4K and tapering down to about 6psi at 7k.
Huh, maybe I can have one running with the procede controller so that if gives boost according to the throttle position amd the second one can run off the throttle switch when i go WOT...lol im really intersted in trying this out now i just gotta wait for someone to sell their esc

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Last edited by BlOody_BoOger; 04-16-2019 at 12:54 PM.
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Old 04-19-2019, 04:46 AM   #10714
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Check on Instagram an electric supercharger setup.
They did it in parallel.

https://www.instagram.com/p/BwMp6anpdVi/

About the twin charging in series.
A compressor map shows the pressure ratio instead of boost pressure.
So I expect when you put 2 in series you have to multiply the pressure ratio's.
1.4 * 1.4 = 1.96, so 0.96bar boost.
This will nearly double the air mass flow and therefore I expect a drop in pressure based on the same compressor map.
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