Top Speed One Mile
Top Speed One Mile
Author
Discussion

C3BER

Original Poster:

4,714 posts

253 months

Thursday 5th July 2007
quotequote all
If everything pans out this weekend I will be going for a one mile blast down a runway.

My question is what top speed can be expected and to achieve it when should I change gears reference the rev range.

Seasider

12,728 posts

279 months

Thursday 5th July 2007
quotequote all
C3BER said:
when should I change gears reference the rev range.
I would say when your power curve starts dropping wink

C3BER

Original Poster:

4,714 posts

253 months

Thursday 5th July 2007
quotequote all
I know it sounds simple but I've been told to hold onto 4th etc and I have read about starting in 2nd gear. Thing is the mile comes up dam fast and I want to max the speed over the distance. Top speed so far has been 150 in 5th but not over a given distance.

PS. A long private road.wink

FUBAR

17,065 posts

268 months

Thursday 5th July 2007
quotequote all
Mick, judging by some of the replies on the Fighting Torque threads, you'll probably be hitting 170ish.

Hold on tight sunshine smile

JensenA

5,671 posts

260 months

Thursday 5th July 2007
quotequote all
You'll probably find the car is faster than you smile

C3BER

Original Poster:

4,714 posts

253 months

Thursday 5th July 2007
quotequote all
So... I take it over the distance there is no need to worry about hitting the right gear at the right rev limit to max the speed because the distance will take care of any late or early gear changes?

Cannot believe I'm thinking this one out but I don't want to make an arse of myself.

grahamn

1,777 posts

264 months

Thursday 5th July 2007
quotequote all
C3BER said:
So... I take it over the distance there is no need to worry about hitting the right gear at the right rev limit to max the speed because the distance will take care of any late or early gear changes?

Cannot believe I'm thinking this one out but I don't want to make an arse of myself.
When I did a 1 mile run I hit max speed well before I reached the mile marker

FUBAR

17,065 posts

268 months

Thursday 5th July 2007
quotequote all
grahamn said:
C3BER said:
So... I take it over the distance there is no need to worry about hitting the right gear at the right rev limit to max the speed because the distance will take care of any late or early gear changes?

Cannot believe I'm thinking this one out but I don't want to make an arse of myself.
When I did a 1 mile run I hit max speed well before I reached the mile marker
Yours or the car's? hehe

RichardD

3,608 posts

275 months

Thursday 5th July 2007
quotequote all
C3BER said:
So... I take it over the distance there is no need to worry about hitting the right gear at the right rev limit to max the speed because the distance will take care of any late or early gear changes?
I can send you some info from a run of CarTest2000 simulation software, as I've a few Cerb models in there. It shows optimum shift points. From memory it usually involves hitting the redline only in first and second.

The only thing I'd need is what bhp/revs, torque/revs would you like your car entered at? Cerbs in the database are generally specials such as BrummieWedge's 6.3 !!

Byker28i

91,852 posts

247 months

Thursday 5th July 2007
quotequote all
Well, you could always steal the figures from my dyno graph as a worse case 4.2 scenario


grahamn

1,777 posts

264 months

Thursday 5th July 2007
quotequote all
FUBAR said:
grahamn said:
C3BER said:
So... I take it over the distance there is no need to worry about hitting the right gear at the right rev limit to max the speed because the distance will take care of any late or early gear changes?

Cannot believe I'm thinking this one out but I don't want to make an arse of myself.
When I did a 1 mile run I hit max speed well before I reached the mile marker
Yours or the car's? hehe
tongue out
The car's, but that was before the air induction mod and a remap

ceejay

1,287 posts

284 months

Thursday 5th July 2007
quotequote all
grahamn said:
When I did a 1 mile run I hit max speed well before I reached the mile marker
That doesn't sound right, at a mile I reckon about 170ish but it should still be pulling beyond that to about 185-190ish. Doubt you'd make that in a mile even with the induction mods and a re-map.

TooTall Paul

938 posts

277 months

Thursday 5th July 2007
quotequote all
Mick you don't have to set off too fast ( looks go for the crowds though) it's a long way down that runway. I hit 206 there on a Busa smile

FUBAR

17,065 posts

268 months

Thursday 5th July 2007
quotequote all
TooTall Paul said:
Mick you don't have to set off too fast ( looks go for the crowds though) it's a long way down that runway. I hit 206 there on a Busa smile
You sir, must have extraordinarily (sp?) large kahoonas bow

Podie

46,649 posts

305 months

Thursday 5th July 2007
quotequote all
FUBAR said:
Mick, judging by some of the replies on the Fighting Torque threads, you'll probably be hitting 170ish.
... but the bonnet will be lifting nicely by then... hehe

FUBAR

17,065 posts

268 months

Thursday 5th July 2007
quotequote all
Podie said:
FUBAR said:
Mick, judging by some of the replies on the Fighting Torque threads, you'll probably be hitting 170ish.
... but the bonnet will be lifting nicely by then... hehe


Mine doesnt

Trolling again Mr Pod ie? smile

SXS

3,065 posts

287 months

Thursday 5th July 2007
quotequote all
ceejay said:
grahamn said:
When I did a 1 mile run I hit max speed well before I reached the mile marker
That doesn't sound right, at a mile I reckon about 170ish but it should still be pulling beyond that to about 185-190ish. Doubt you'd make that in a mile even with the induction mods and a re-map.
On the stock gear ratios in safe rpm territory i dont think most would budge past 184mph on gps.
There have been a few cars fitted with different final ratios which have seen more, like the infamous yellow tvr PR 4.5 though.

In 1 mile from standing start, you're looking at around 165-170ish depending on tune of car. Jesus, my jag does 160 in a mile! oh and then my rev limiter kicks in, ba$%!*d! hehe

Steve_T

6,356 posts

302 months

Thursday 5th July 2007
quotequote all
TooTall Paul said:
Mick you don't have to set off too fast ( looks go for the crowds though) it's a long way down that runway. I hit 206 there on a Busa smile
I presume the Busa had been a little warmed over? smile

SXS

3,065 posts

287 months

Thursday 5th July 2007
quotequote all
Steve_T said:
TooTall Paul said:
Mick you don't have to set off too fast ( looks go for the crowds though) it's a long way down that runway. I hit 206 there on a Busa smile
I presume the Busa had been a little warmed over? smile
A little!!! nuts

man thats gotta be an awesome feeling to hit 206 in 1 mile!!! and on a bike? brave man! bow

Podie

46,649 posts

305 months

Thursday 5th July 2007
quotequote all
FUBAR said:
Podie said:
FUBAR said:
Mick, judging by some of the replies on the Fighting Torque threads, you'll probably be hitting 170ish.
... but the bonnet will be lifting nicely by then... hehe


Mine doesnt

Trolling again Mr Pod ie? smile
hehe Not really, just browsing the forums. smile

I've seen more than enough TVRs in my time to know that they vary... and seen bonnets lift / flap / decide to remove themselves at various speeds...