How to work out 0-100 time from drag slip?

[Abo Bob]

I'm told that the boffins can work this out using your 60' time and I can't remember what else.

Can anyone figure mine out for me and/or show us all how it's done?

http://www.skylinesaustralia.com/forums/at...achmentid=25227

Thanks a lot.

[Abo Bob]

No one?

[R33vit]

Isnt there 330' in 100 metres.

so 100 metre time = 5.87sec. I think?

[2rismo]

Sounds good to me

Adria

[strutto]

Err 100metre time...

That's all good but what about the 100kph time?

[Abo Bob]

0-100km/h

c'mon Adrian. You know you want to enlighten us all.

[rs73]

This could be tricky, but can be calculated providing your car can maintain constant acceleration rate from start to finish line. However it's almost impossible due to:

- Gearing Ratio (accelerating on 1st, 2nd gear is faster than 3rd, 4th etc)

- Aerodynamic Drag (the higher the speed, the greater the drag is)

- Other factors (track condition, tractions, wind, etc)

- Human factors (Driver skill, etc)

But for the heck of it if those factors above (and any other factors) are non-existent:

Say you got a 1/4 mile time of 12.5seconds (t) and your terminal speed (v) is 180km/h.

So:

v = 180km/h = 180,000m/3600sec = 50m/sec

Thus:

acceleration (a) is v/t = 50/12.5 = 4m/s^2 (4 meters per second to the power of 2)

Therefore your car's 0-100km/h time:

v1 = 100km/h = 100,000m/3600sec = 27.78m/sec

a = v1/t1 --> find t1 required to reach 100 km/h

4 = 27.78/t1 --> t1 = 100/4 = 27.78/4 = 6.945sec

:Nerds:

[knore]

12.5 1/4 but takes 6.945 seconds to get to 100km/h?

that doesnt seem right :confused:

[rs73]

Well you obviously did not read my post properly:

However it's almost impossible due to:

- Gearing Ratio (accelerating on 1st, 2nd gear is faster than 3rd, 4th etc)

- Aerodynamic Drag (the higher the speed, the greater the drag is)

- Other factors (track condition, tractions, wind, etc)

- Human factors (Driver skill, etc)

[knore]

I read that bit but got lost in your calculus maximus intelligence and assumed you came up with the actuall 100km/h time

:wassup:

[rs73]

Well that figure might be 100% accurate if your car has 1 gear only, and the drag run is conducted in gravity-less & vacuum environment, and auto-piloted by HAL9000

[Col-GTSX]

You forgot to take into account the "flux capicator"

With out his item you will never travel through time.... Ive seen back to the future...

[R33vit]

You forgot to take into account the "flux capicator"

With out his item you will never travel through time.... Ive seen back to the future...

True dat

I've been stuck here since 1953

[rs73]

I guess you'll have to consult Stephen Hawkings in regards to the solution for your problem.

[Guest two.06l]

I guess you'll have to consult Stephen Hawkings in regards to the solution for your problem.

or borrow my new G-TECH competition PRO RR. Its the sh1t!

[Guest two.06l]

or borrow my new G-TECH competition PRO RR. Its the sh1t!

[Emre]

Here is the easy way to calculate it.

Click on this link, have a quick read, than put your numbers up.

If you want a challenge than go to this link.

I put your numbers through this extremely complicated calculation and got a reading of 5.31 sec.

PS: Do not take any of the results as gospel as they are just a calculation.

[strutto]

Good find Emre... 1st link seems to do the trick... 2nd link.... ummm der?

[MrBlonde]

Gives me a 2.32 second 0-60 mph time ..

[NXTIME]

Not on the street