TurboCharger vs SuperCharger Question
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Posted by: matin ®

03/03/2006, 10:35:55

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Which is more efficient a turbocharger or a super charger.Secondly what is an equilancy ratio to compare the both.
Or is the equilancy ratio used for fuel air ratio calculation also???????????????







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Re: TurboCharger vs SuperCharger
Re: TurboCharger vs SuperCharger -- matin Post Reply Top of thread Forum
Posted by: pwehmer ®

03/03/2006, 14:42:15

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I would think a turbo would be more efficent since it uses exhaust gas flow to generate the boost vs. the input power to the supercharger.

But for retrofits a supercharger looks much easier to design.

Neither one will improve the efficency compared to a NA motor but they sure are fun to drive.








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Re: TurboCharger vs SuperCharger
Re: Re: TurboCharger vs SuperCharger -- pwehmer Post Reply Top of thread Forum
Posted by: WhiteTiger ®

03/04/2006, 04:30:22

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I think it's a case by case matter if I recall correctly. Turbo increases exhaust backpressure which steals hp too. Depends on engine conditions and the specific unit as to which has the edge, I believe.


Tiger








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Re: TurboCharger vs SuperCharger
Re: Re: TurboCharger vs SuperCharger -- WhiteTiger Post Reply Top of thread Forum
Posted by: randykimball ®
Barney
03/05/2006, 16:00:35

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Generally speaking you can get more HP and torque from a super charged engine than a turbo charged engine. I think that answers the question.

Both require a considerable amount of HP to operate and produce enough gain to overcome the consumed HP. A turbo charger does not require a mechanical drive train. With these tremendous HP requirements, a super charger will be hard on belts or chains if not direct gear driven, this reduces long term reliability. Adding a direct gear driven super charger to an engine is a considerable engineering project. Adding a turbo charger can be done with a simpler exhaust and intake change. A super charger has instant results and a turbo charger lags the throttle with torque, because it has to wait for the exhaust to respond to the increased load to increase the turbo spin-up which then increases boost.

So it is a matter of cost and application. Not having a mechanical link to wear out between an engine and a turbo charger has encouraged an increased use, although it will not provide as great of results as the super charger. Plus, the turbo charger provides a reasonable enough increase in power to work in most average everyday applications.

/←randy→/





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