The other rotary Westfield!

Smiffers · April 25, 2016, 05:47:22 PM

Yep. that is the plan for next season for the next class up and National A events.

Smiffers · April 25, 2016, 05:48:01 PM

And yes will retain the same engine type (MSP) with some select modifications.

Grant Monkhouse · April 25, 2016, 05:52:08 PM

What ecu are you planning to use?

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Smiffers · April 25, 2016, 05:54:14 PM

Same one I am running now - Adaptronic 440 Select (Stand alone). I already scaled the maps for a bar of boost I just don't use that region at the moment!

Grant Monkhouse · April 25, 2016, 05:56:10 PM

Ah didn't know you had that. Well all things being equal, same temps etc and one bar of boost you should double your hp hopefully.

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Grant Monkhouse · April 25, 2016, 05:56:47 PM

The saying goes if you want to go twice as fast then you need four times the power

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Smiffers · April 25, 2016, 06:15:20 PM

It all depends where you start and end... The problem is (assuming nothing else changed) as the air speed increases so does the drag exponentially, the faster speed you got to, to start with, the more power you need to go even faster.

A generalised drag equation look something like this:

Drag = Cd x (d x V^2)/2 x A

Cd is the co-efficient of drag that is a constant the represents the slippiness or otherwise of the object it does change unless you change the aero
d is the air density (That does not change by much)
V is the velocity and is squared
A is the area of the body referenced (also constant)

So that pesky speed has an awful lot to answer for and gets exponentially worse the fast you go... booo!

Grant Monkhouse · April 25, 2016, 06:18:23 PM

Yeh, ends up like your driving through treacle. That's why the Veyron needed another 200hp to go 10mph faster I think

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Smiffers · April 25, 2016, 06:21:33 PM

Yep and the Veyron had significantly better Cd than me! I would not be surprised if I added 200hp that I only got 10mph as well (and I'm starting at a far lower speed) given the rubbish aero the car has.

Grant Monkhouse · April 25, 2016, 06:23:13 PM

Wonder how much better the airflow over the car would be with a proper wind screen an a roof panel?

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Grant Monkhouse · April 25, 2016, 06:24:28 PM

Wonder how much better the airflow over the car would be with a proper wind screen an a roof panel?

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boosted · April 25, 2016, 09:35:52 PM

They do aerokits for the seven type cars just make them look very weird...
Welldone on the result
Dont think id like todo much more than 130mph in mine gets a bit fidegty 120 upwards.

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clive · April 25, 2016, 09:42:45 PM

So so good to see you out enjoying the car, a car that is a credit to you due to the build quality you have achieved.

Smiffers · April 26, 2016, 11:48:46 AM

Thanks guys, I do seem to be getting lucky with the results! Some more pretty pictures from the weekend...

https://www.instagram.com/p/BEo1TfRjByj/?taken-by=rivetracinguk
https://www.instagram.com/p/BEmTlU4DB8-/?taken-by=rivetracinguk
https://www.instagram.com/p/BEmRaJpjB3z/?taken-by=rivetracinguk

Smiffers · April 26, 2016, 09:13:07 PM

Quote from: boosted on April 25, 2016, 09:35:52 PM
They do aerokits for the seven type cars just make them look very weird...
Welldone on the result
Dont think id like todo much more than 130mph in mine gets a bit fidegty 120 upwards.

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Yes, I did have a westfield aero kit but got rid of it due to it being too ugly to put up with! It's interesting that yours gets figety over 120, I was at 135 and apart from my head being ripped of my shoulders the car was as planted as it is at 20mph (this might be a slight exaggeration). Do you run a chin spoiler on the nose? and a rear diffuser?