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Tom Fenton
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Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

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TM legend.

Rotherham South Yorkshire

23rd Dec, 2007 at 12:41:24am

I'm at work, so no beer for me, or thats what they think anyway *wink*


On 29th Nov, 2016 madmk1 said:

On 28th Nov, 2016 Rob Gavin said:
 I refuse to pay for anything else


Like fuel 😂😂

Paul S

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Formerly Axel

Podland

23rd Dec, 2007 at 10:05:35am

Dave,

Make yourself aquainted with Mr Bernoulli :

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

Paul S

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8604 Posts
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Formerly Axel

Podland

23rd Dec, 2007 at 01:14:41pm

As I have man-flu and can't get in the workshop, I've got the text books out and done some calcs.

Anyway, based on 1275cc, 6000 rpm, a port cross sectional area of 8.5 cm2, a VE of 82%, the average difference in boost pressure between the plenum and port due to velocity is approx 0.8 psi.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

Badger

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Bristol

24th Dec, 2007 at 05:21:05pm

On 22nd of Dec, 2007 at 09:13pm Paul S said:
At the risk of being shot down, I also think that if you get an intercooler with 100% efficiency you could run 10.5:1 compression ratio on 15 psi!

Reality is that 100% is impossible, but the only reason to drop the compression ratio is due to temperature, not boost.


Just thought I'd point out you can get a 100%+ efficiency charge cooler, but only if the cooling medium is colder than the ambient air temperature (eg: A sea water/air charge cooler on a speedboat).

WTF with the triple post?!?

Edited by Badger on 24th Dec, 2007.

There is no sense crying over every mistake- you just keep on trying til you run out of cake.

Badger

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Bristol

24th Dec, 2007 at 05:34:26pm

.

Edited by Badger on 24th Dec, 2007.

There is no sense crying over every mistake- you just keep on trying til you run out of cake.

Badger

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Bristol

24th Dec, 2007 at 05:35:12pm

.

Edited by Badger on 24th Dec, 2007.

There is no sense crying over every mistake- you just keep on trying til you run out of cake.
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