FWD Top Speed (Specky Vs fiesta) - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:14

Just a question really. Before the haters start, im not putting down either car in any way.

Speckys mental 500bhp LET Tigra. Mental little car, but it recorded 174mph yesterday at TOTB? How comes that Fiesta with about 100bhp less reached 178mph at Brunters about 3-4 years ago?

Surley the tigras more areodynamic, more power, longer gearbox? How comes a standard looking fiesta with big power can get another 4mph.

4mph at these speeds is quite a lot.

Just wondering? Does this mean the Redline setup was wrong at Brunters, or that Speckys car isn't setup for top speed?

VrsTurbo

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Registered: 8th Jun 10
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9th Aug 10 at 11:16

Fiesta weighs less?

Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:16

OK, looking back, its not so standard looking

Sunnys fiesta. I thought it ran around 400bhp?

Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:17

quote:
Originally posted by VrsTurbo
Fiesta weighs less?

Weight doesn't have any effect on top speed.

VrsTurbo

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Registered: 8th Jun 10
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9th Aug 10 at 11:17

but it would wouldnt it as the heavy the object the longer it would take to reach that speed.

Daimo B

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9th Aug 10 at 11:21

It does effect the acceleration yeah.

Im not sure if Sunnys fiesta would ahve been from a standing start, or whether it would have been a flat out run after coming round the bottom bends as fast as possible.

It would effect getting to the top speed, but not the top speed result. But then isn't speckys tigra stripped out to hell

I think Sunnys fiesta had interior.

VrsTurbo

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9th Aug 10 at 11:22

But if they ran out of space to get to that speed then the weight would be an issue.

gazza808

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Registered: 30th Jun 08
Location: Peterborough
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9th Aug 10 at 11:22

specky had 1km to do it in,

the fiesta had alot more

Jake

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Registered: 24th Jan 05
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9th Aug 10 at 11:22

doesnt acceleration and top speed go hand in hand

Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:27

quote:
Originally posted by gazza808
specky had 1km to do it in,

the fiesta had alot more

Thats my answer right there.

Brunters is 2 miles, which is 3+ km.

BarnshaW

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Registered: 25th Oct 06
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9th Aug 10 at 11:28

surely weight has an effect on top speed?

gazza808

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Location: Peterborough
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9th Aug 10 at 11:28

would be awesome to see what specky could hit at brunters.

Robin

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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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9th Aug 10 at 11:28

The fiesta used the curve too, carried the speed round and used all the available space. Specky did it in a standing km.

gazza808

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Registered: 30th Jun 08
Location: Peterborough
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9th Aug 10 at 11:30

quote:
Originally posted by BarnshaW
surely weight has an effect on top speed?

not really, just how long it takes to get to that top speed,

[Edited on 09-08-2010 by gazza808]

BarnshaW

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Registered: 25th Oct 06
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9th Aug 10 at 11:31

really? so if i had a 100bhp corsa which did say 120mph , if i then put an extra ton or two of weight onto the car it would still do 120mph?

Tom G

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Registered: 4th Aug 08
Location: Cheshire
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9th Aug 10 at 11:34

quote:
Originally posted by Daimo B

quote:
Originally posted by gazza808
specky had 1km to do it in,

the fiesta had alot more

Thats my answer right there.

Brunters is 2 miles, which is 3+ km.

So you already knew the answer but posted anyway

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Registered: 10th Sep 03
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9th Aug 10 at 11:36

quote:
Originally posted by Daimo B

quote:
Originally posted by VrsTurbo
Fiesta weighs less?

Weight doesn't have any effect on top speed.

So by your reckoning a super-tanker with 100,000bhp would be the fastest thing in the world?

Eck

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Registered: 17th Apr 06
Location: Lundin Links, Fife
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9th Aug 10 at 11:38

Weight doesn't affect the theoretical top speed but certainly makes a difference to the cars' ability to get there

Eck

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Location: Lundin Links, Fife
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9th Aug 10 at 11:38

quote:
Originally posted by ed

quote:
Originally posted by Daimo B

quote:
Originally posted by VrsTurbo
Fiesta weighs less?

Weight doesn't have any effect on top speed.

So by your reckoning a super-tanker with 100,000bhp would be the fastest thing in the world?

Isn't it? Did they not have a challenge on Top Gear with one against a Euro fighter like the Veyron race?

Robin

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9th Aug 10 at 11:39

quote:
Originally posted by BarnshaW
really? so if i had a 100bhp corsa which did say 120mph , if i then put an extra ton or two of weight onto the car it would still do 120mph?

That's a power issue. Look at it this way, if you had a 3 tonne car which did 150mph at the rev limit in top gear, and you halved the weight, it wouldn't get any faster top end as the gearbox won't allow it.

Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:39

quote:
Originally posted by Tom G

So you already knew the answer but posted anyway

No, I didn't realise, and when someone has posted it make sense.

Ed, what a stupid comment to make.

Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:40

quote:
Originally posted by Eck
Weight doesn't affect the theoretical top speed but certainly makes a difference to the cars' ability to get there

Which is what i've said.

Eck

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Registered: 17th Apr 06
Location: Lundin Links, Fife
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9th Aug 10 at 11:42

If you'd explained it that weeee bit better Daimob it wouldn't have taken as many comments to get to this conclusion

BarnshaW

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Registered: 25th Oct 06
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9th Aug 10 at 11:45

yea but weight DOES have an effect on top speed then because a car that weighs say 1200kg will do 120mph , the same car added with 4 or 5 tons of weight would not reach 120mph....

Daimo B

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Registered: 20th Mar 00
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9th Aug 10 at 11:48

Where would you add 4-5 tonnes to a car?

How can a Bentley at 2.5 tonnes do over 200mph with around 600bhp, and other cars with the similar bhp, but less weight, do simlar speeds? Sure the lighter car will get there quicker.

Comparitive, similar weights will not effect top speed.

Also, if you had a long enough road, the item weighing a few tonnes should still get to the same speed, it'll just take a lot longer to get there.

Hence why the new record car weights over 10 tonnes but still aims for 700mph.

I.E If I had a 1.6 16v Corsa, removed all the weight, it would do 119mph.

If I added weight, it would still do 119mph, it would just take a lot longer to get there as the acceleration would be hindered due to the weight.

[Edited on 09-08-2010 by Daimo B]

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