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Duratec SVA and weigh-in


Glen H

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I even PM one of the doubters on that thread requesting I fax this data to them so they could comment, but he dismissed that instintly.

If that's me, it was mostly to do with that I don't have a fax machine - and I'm so ashamed. Bit of a stumper that.... and anyway, if that's what's there, it's there (which is what I said) and I was puzzled - and thank you so much for publicizing a Private Message BTW - given the above.

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Another publicised PM.... ;)

Ian,

I think Blatman has succeeded in finding the words I've been looking for.  It wasn't ever intended to be a witch-hunt or a public ridiculing - I was simply trying to find out *how* the low weight had been achieved because, on the face of it, it seemed remarkably low.  In the end frustration took over and yes, I probably was a little less than friendly and became argumentative.  But that's simply because I wanted to find out some facts.

And I guess that's the important bit - until you posted the weight print out and started to give a few details about how it had been achieved it was hard to make any sort of call on whether it was right or not because there was a lot of speculation or quoted figures from third parties.

I am still genuinely surprised at the weight of your car but at least it makes a little more sense now.  Having looked at your weight printout and looked at the list of lighter than normal parts things start to make a little more sense.  Lots of small changes can and do add up to quite a significant saving as I can confirm having done it with my own car.

I echo Blatman's comments about wanting to know how it was done though - not so we could shoot it down in flames but so we could see if any of them are viable on our own cars.  A lot of the things you mentioned have already been done on lots of other cars but it's nice to get new ideas.  Like the nylon alternator tensioner - hadn't thought of that and you've now set my mind wondering about what else could be done using nylon rather than steel or aluminium brackets.

So, apologies for any offence caused but that wasn't the intention.  Yes, I carried on like a dog who wouldn't leave a bone alone but I hope you can now see why.

Anyway, congrats on what seems like a nicely put together car and hope you have fun with it.

Nick

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I have since received a reply to my PM to Ian and it would appear that there is a very good explanation as to why the weight of his car is as low as it is.

From the information he just gave me I strongly suspect that Ian has the race chassis and bodywork which will account for a significant saving over a car with normal a chassis / bodywork.  Add in the absence of a screen / heater and all the other weight saving measures listed somewhere above and all of a sudden the weight of 508kg becomes a *LOT* more understandable.

So, I'll be the first to order a slice of humble pie and apologise :) , however in my defence it was only just now that I became aware of the light chassis / bodywork.

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From page 12 as I belive Ian's car is about the 520kg's mark as it is not to disimilar to my car in terms of the components except for the Duratec [for now] and I have the extra weight of a CDS cage

Quote  

IMHO, as said previously I think my car could weigh 520kg, can you accept that  

Yes I can as my Zetec weighs in at 541kg's

The 541 is with no fuel but all the other fluids

Weight losses that I know will save over the spec that my car is at now

2 more nitron dampers

4 ACB10's

lighter rear wishbones [home made ones ths winter maybe]

rear calipers [change to Golf ones or lighter]

Change the engine to the Duratec I have in the garage waiting to be built up [money is stopping progress or lack of it]

Things that add weight

Dry sump instalation over the wet set up

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For those not present today at Curborough, Adrians scales confirmed the weight indicated by Northampton Motorsport.

Today it showed 570kg with 1/2 tank of fuel ( slightly more fuel than when weighed at N.Motorsport)

This would approximately give the following weights:

557kg without fuel

583kg with a full tank (standard 26L westfield tank)

Taking the assumption that 1 litre of fuel=1kg

Anyone want a heater :D

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I had my narrow car on the scales too. With half a tank of fuel, I was disappointed to see 591Kg's, but I know for sure where the weight is, so I'll be trying to get it off, and not by eating less pies either........
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After all this talk of LIGHT cars it was good to have contrast.

Maverick, fully loaded with camping gear, luggage, driver, passenger, coats, cameras etc.....

980Kg.

Come On, bet you can't beat that :)

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is there going to be published the results of the way in and the specs people were unning at the time???

would be very interested to see this

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980Kg.

Come On, bet you can't beat that :)

I could put mine on twice but it would still be close  :devil:

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I think there will be. Wotbox had us fill out a spec sheet, and took the weights with and without drivers, as well as making a note of how much trim the car had. I would hope to see a table or something either on here, or in the mag.
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Mine was 534Kg with about 10L of fuel, so about what I expected...

Thanks to ACW for organising this, will be interesting to get the corner weights with & without driver.

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