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Forum: General Fuel Topics

02-08-2010, 12:57 PM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

And heavy. The bank of batteries needed to run...

And heavy. The bank of batteries needed to run the contraption for more than a few seconds at a time will load the car down. And then there's the energy loss from charging and discharging the...

Forum: General Fuel Topics

02-07-2010, 11:50 AM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Like this? ...

Like this?
https://www.fuelly.com/attachments/forum/photobucket/img_150414_0_4b8a3654eae02d2b3064d0f2f93a7fed.jpg

Forum: General Fuel Topics

02-07-2010, 09:25 AM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Fixed that for ya. I came across this in the...

Fixed that for ya.

I came across this in the wikipedia article on superchargers, under the aircraft section:

So in that case, the engine has a 1000 hp output with the fuel consumption of a 1150...

Forum: General Fuel Topics

01-25-2010, 09:16 AM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Yeah. You would have a more even, consistent...

Yeah. You would have a more even, consistent exhaust stream, but you're still losing some portion of the pressure, velocity and/or thermal energy that the turbine makes use of. If you could keep the...

Forum: General Fuel Topics

01-23-2010, 08:47 PM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

I see what you're saying, but I don't think we're...

I see what you're saying, but I don't think we're talking about turbo systems that triple the engine's power output. A small turbo will spool up quickly but only boost power and torque by 40-50%....

Forum: General Fuel Topics

01-23-2010, 03:51 PM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

You're harvesting waste energy and feeding it...

You're harvesting waste energy and feeding it back into the engine in one form or other. The power and torque curves change significantly... Additional torque can mean upshifting earlier, and lower...

Forum: General Fuel Topics

01-23-2010, 08:21 AM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Yah, well. :) That in itself isn't a bad thing....

Yah, well. :)
That in itself isn't a bad thing. It's that with this particular tech, it means burning additional fuel, which is kind of frowned upon around here, as the site's name implies.

That...

Forum: General Fuel Topics

01-22-2010, 04:56 PM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Exhaust sizing is much more important with...

Exhaust sizing is much more important with normally aspirated engines which rely on cylinder scavenging during the overlap period between the exhaust and intake strokes. If you go too large, the...

Forum: General Fuel Topics

01-21-2010, 07:40 AM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Yep. The issue with superchargers is that they're...

Yep. The issue with superchargers is that they're on all the time and boost pressure is dependent on engine RPM rather than load. As such, adding a supercharger is not much different from going to a...

Forum: General Fuel Topics

01-18-2010, 03:13 PM

Replies: 48

Supercharger/Increased MPG?

Views: 16,239

Posted By GasSavers_bobski

Or you could use a turbocharger that does the...

Or you could use a turbocharger that does the same thing, but captures the energy it needs to operate from the exhaust stream.

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