Assetto Corsa Units of Measure

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ZiggyM

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Jun 5, 2017
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AC uses all kinds of different units of measure which is so incredibly annoying when a person is American who knows ft/lbs and lb/in and such so I'm wondering if anybody can answer what I thought would be a very simple question to find the answer to but have spent a while looking around for an can NOT find the answer to..

What unit are the dampers measured with? If it's really "N/m/s", that would mean cars that come with '3000' as the damper have 26,552lb/in shocks which is something like 35.4 times stiffer than the stiffest 1970 NASCAR shocks (750lb/in). And that seems very much out of place so I highly doubt it is 'N/m/s".

If it's N sec/m, which is the same as kilogram-metre per second, then 3000 would convert to 260388lb/in which is 347 times more than the stiffest 1970 NASCAR shock (750lb/in).

So, question is, what unit of measurement does AC use for shocks/dampers?

Thank you for any help with this.
 

Rollo75

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Dec 1, 2018
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No.
The short answer is "No".

I do not have the game but I can hazard a guess.

Shocks are rated C E T - Compressed, Extended, Travel.


It is not Newton metres/second Nm/s but Nm² Newtons per Meter Squared.

Typically, road shockers are rated about 2,500,000 Nm² which is about 362psi. 3,000,000 Nm² would be about 435psi, which is stiff but not wickedly stupid.

My suspicion based upon what the numbers are telling me is that 3000 is rounding off by a factor of 1000 because 3 million looks dumb. 750psi sounds probably like the folks at Chrysler in the aero wars of 1970, wanted a really really stiff setup to make up for the fact that they were getting downforce out of their missile cars. Perhaps there are other vectored forces going on here.
 
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ZiggyM

Well-Known Member
Hot Pass Member
Jun 5, 2017
988
93
My suspicion based upon what the numbers are telling me is that 3000 is rounding off by a factor of 1000 because 3 million looks dumb. 750psi sounds probably like the folks at Chrysler in the aero wars of 1970, wanted a really really stiff setup to make up for the fact that they were getting downforce out of their missile cars. Perhaps there are other vectored forces going on here.
And that;s the left side of the car. On the right, they would run 2 shocks!

3000 at 435 sounds good. Thx!!
 

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Rollo75

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Dec 1, 2018
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No.
I have an answer (sort of).

I can not get my hands into the space on my Mazda 2 to take a decent enough photograph but the Bilstein B5 shocks are rated to 2800 kNm²
That seems to be about the right kind of ball park we are looking at here.
 
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