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Home > Technical Chat > Boot floor and battery box weight

alaskanow0

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Mansfield

Anybody know the weight of the battery box and boot floor. I'm considering fitting a composite boot floor. I heard mixed messages about the weight saving. Battery box on Amazin states 7kg, which surely isn't correct.

The replacement panels weights 1.4

Class C 3rd Place Avon 2011 14.18 @101mph


D4VE

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lowestoft suffolk

I cant see it being 7kg but slightly weightier than the rest of the floor, ive heard theres not much in it?

Edited by D4VE on 30th Sep, 2014.

On 24th Oct, 2015 jonny f said:
Nothing gets past Dave lol

NOTHING GETS PAST ME!! *tongue*

1/4 mile 14.7 @ 96mph 12psi boost
Showdown class A 2nd place 18.6 @ 69mph


BENROSS

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Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

dont do it matt IMO it wrecks a mini,
you would be better off loosing the rear subby and running gear for a beam type made of titanium from uncle carl
is the way to go






alaskanow0

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Mansfield

I made the decision to remove the battery box either way.

Steve I've already got a 3kg rear beam, and pretty light running gear. I'm turretting and tubbing the rear arches anyway.

I know what you mean though, but the rest of the car is already cut up. Ie. Flip front, turbo box, Webber box, back seats, bins etc.

Class C 3rd Place Avon 2011 14.18 @101mph


t3gav

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Gavin@minispares.com

kent

Battery box is 1.123kg by itself, complete boot floor and box is 6.8kg approx.


alaskanow0

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Mansfield

That's great thanks.

Is that for a new complete floor, or what you cut out for the new carbon floor?

Edited by alaskanow0 on 1st Oct, 2014.

Class C 3rd Place Avon 2011 14.18 @101mph


John

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Mongo

Barnsley, South Flatcapshire

Be careful Matt! A stiff breeze and it may blow away!

If something is worth doing, it's worth doing half of.


t3gav

2395 Posts
Member #: 229
Gavin@minispares.com

kent




On 1st Oct, 2014 alaskanow0 said:
That's great thanks.

Is that for a new complete floor, or what you cut out for the new carbon floor?


That's complete floor.


alaskanow0

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Mansfield


On 1st Oct, 2014 John said:
Be careful Matt! A stiff breeze and it may blow away!


Not with me sat in it😃

Edited by alaskanow0 on 1st Oct, 2014.

Class C 3rd Place Avon 2011 14.18 @101mph


D4VE

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lowestoft suffolk

Blimey it is 7kg then... wouldnt of thought or guessed that? Anyway all this work on ya mini.. get some pics up

On 24th Oct, 2015 jonny f said:
Nothing gets past Dave lol

NOTHING GETS PAST ME!! *tongue*

1/4 mile 14.7 @ 96mph 12psi boost
Showdown class A 2nd place 18.6 @ 69mph


alaskanow0

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Mansfield

In good time Dave.

I reckon from the bit you cut out is about 3.2kg, so saving would be about 2kg. That's with a genuine carbon fibre panel.

Worth it? Not sure, blanking the battery box as got to be worth 0.75kg

Class C 3rd Place Avon 2011 14.18 @101mph


t3gav

2395 Posts
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Gavin@minispares.com

kent




On 1st Oct, 2014 D4VE said:
Blimey it is 7kg then... wouldnt of thought or guessed that? Anyway all this work on ya mini.. get some pics up


Remember the boot floor is part of the rear seat, it's quite a big panel!


Aubrey_Boy

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On 1st Oct, 2014 alaskanow0 said:

Steve I've already got a 3kg rear beam.


Hi there,

What rear beam is that? And what does 3kg include? Camber and toe adjustment and handbrake cable fixing / routings? Does it take a std trailing arm?

Sorry for the numerous questions, just interested

Cheers


alaskanow0

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Mansfield

It's a KAD beam for normal arms. It weighs exactly 3kg, not including any brackets and bolts. They weigh another 2.25kg in total from memory. The brackets are really thick and strong though.

Edited by alaskanow0 on 1st Oct, 2014.

Class C 3rd Place Avon 2011 14.18 @101mph


Aubrey_Boy

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That's great thank you, so difficult to get genuine weights for anything.

If you don't mind me asking, what weight did the SC trailing arms come in at in a comparable weight to the KAD arms, say with the pivot pin etc

Cheers


BENROSS

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Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

On 1st Oct, 2014 alaskanow0 said:
I made the decision to remove the battery box either way.

Steve I've already got a 3kg rear beam, and pretty light running gear. I'm turretting and tubbing the rear arches anyway.

I know what you mean though, but the rest of the car is already cut up. Ie. Flip front, turbo box, Webber box, back seats, bins etc.


i understand now matt





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