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Old 1 Nov 2022, 12:00 (Ref:4132311)   #26
Rob Wilk
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Join Date: Oct 2020
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Rob Wilk should be qualifying in the top 10 on the grid
Quote:
Originally Posted by spook View Post
Well 05forever, you are right it is not linear. Spoke to a friend who knows a bit about circuit design and he gave me these figures which are from a 1982 Ferrari F1 car. These are the figures used for the design speed calculations for racetracks around the world. Interesting to note they are speed/distance/time.
Speed(km/h) Distance(m) Time(secs)
0 0 0
50 6.6 0.9
70 12.9 1.3
100 26.2 1.9
160 72.4 3.2
200 129.1 4.3
250 260 6.4
300 606.5 10.8
Wow - standing start to 300km/h in 10.8 seconds covering 606.5m.
And this is a 1982 Vintage F1 car !!!
Braking is pretty good too
Speed Distance Time
300 177.2 4.3
250 123.0 3.5
200 78.7 2.8
160 50.4 2.3
100 19.7 1.4
50 4.9 0.7
Good enough to make your eyeballs pop.
B]Is this a Ferrari 126C2 Formula 1 race car that you have given these acceleration and braking figures for ?

When I did a google search on 1982 Ferrari F1 car , I found technical data of it on https://www.f1technical.net/f1db/cars/494/ferrari-126c2 .

It didn't have any acceleration and braking figures like you have given, but it had engine, specs and dimensions.

I can see that it would be as quick as you have shown, as it had 580 bhp @ 11,000 rpm from a car that was 595 kg with water and oil.

I wonder what the quarter mile for this 1982 Ferrari F1 race car was ?
I am thinking it could be close to 8.3 secs at 275 kph

It has a massive 240 litres fuel tank.
Do you know what the fuel consumption was like with it during racing ?

One trend I can see from braking figures you have given, is that when you brake from 300kph it takes about 9 times the distance than it does to brake from 100kph to a stop.
So this follows ratio squared formula.

You have given braking from 100 kph to a stop in 19.7 m
If you were to use that formula to calculate distance from 300kph for braking,
then 19.7 * 3^2 = 19.7 * 9 = 177.3 m
and this is very close to 177.2 m you have given.[/B]?
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Old 3 Nov 2022, 07:00 (Ref:4132497)   #27
Rob Wilk
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Rob Wilk should be qualifying in the top 10 on the grid
Dick Johnson racing Falcon EF running 1/4 mile at Calder

Quote:
Originally Posted by Mattracer View Post
I heard or read somewhere that a V8 supercar will do the 0-100 in about 3-4secs and the standing 400m in about 11 seconds. A few years back in one of the mags (Wheels/Motor?) Dick Johnson ran the EF Falcon down the quarter mile at Calder in about 11 secs I think.
Did you find out which mag (Wheels/ Motor) had Dick Johnson running his Falcon EF in at Calder ?

My understanding is that the Falcon EF was a touring car during the 1995 and 1996 season, so maybe it was a (Wheels/ Motor ) mag from that time.


I have been trying to work out acceleration of a V8 Supercar from youtube onboard telemetry. My understanding is that cars of that era would do 0 - 100 kph in low 4 seconds and 100 - 200 kph in over 6 seconds, so this makes me think the 1/4 mile would probably be above 11.5 seconds during mid 90's at over 200 kph.
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