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Bruce
Bruce
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Hi All , My name is Bruce and i repair supercars/sportscars/racecars for a living mainly 
Aston Martin , Ferrari ,Lamborghini and Mclaren 
A lot of the repairs are Bonded or welded or riveted Aluminium (or all 3 at the same time ) 
but a fair amount is composite parts bonded onto spaceframes 
and some carbon fibre monocoques on certain vehicles (Ferraris and Mclaren and now Aston martin and lamborghini) 
My main interest is the repair of composite parts ,most of my mould making is done to make repair moulds to remake shapes
in broken parts . Most of my repairs are wet layup ,but we are now in the process of buying a hotbonder to make repairs to 
parts using out of autoclave pre-preg materials .
I am really enjoying looking at the moulds and parts made by some of the members here 
some real dedication going on  Smile
giving me more than a few ideas Smile

Here below is a repair from this week

this is cracked through to the back 
20120711_070708 by brucemilburn, on Flickr
the make up of the part is 3 layers of carbon and then a layer of glass fibre at the back 
the back was repaired first then the 3 layers removed from around the split 
and the entire top layer to the natural join line round the No plate aperture
to the centre line where the twill stipe matches up 
20120711_130301 by brucemilburn, on Flickr
Vac time 
20120713_125317 by brucemilburn, on Flickr
2 layers of fibre in to slightly beyond the area where the fibre was removed 
20120713_141949 by brucemilburn, on Flickr
then sanded back until flush with the surrounding fibre 
and also all the bagging materials are prepped and taped into place above the
repair area 
then one piece of carbon covering the repair area and the whole of the section to the centre 
matched to the twill stipe
20120713_163125 by brucemilburn, on Flickr
then the finished repair clearcoated and polished 
Joe
Joe
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Hi, Bruce. Welcome to the forum !

 



 


    A $1000 electronic device will always protect a 10 cents fuse
SebRS
SebRS
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Amazing repair tips!

such a beautifull work (for a fast car!)

Seb.
NikCFC
NikCFC
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Wow!!!! How did you manage to line-up the wave so perfectly!!!! Amazing Job!!!! Welcome to the Forum!!!!Show us few more pics of the Babies you're working on.....
Bruce
Bruce
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Thank you for the welcome

the diffuser is from an Aston Martin V12 vantage , the V12 has lots of visual carbon parts on both the interior and the exterior 

as for lining up the twill pattern its not too hard on this part as there is the natural join round the edge and as i said above the picture you have got to remove 
a complete layer of carbon to the join line for the repair to blend in perfectly 
its done by taping (with3 or 4 layers of   flash tape) round the edge of the join area and if you look i have drawn lines on the tape exactly where the 
twill needs to match up ,and then the shape of the repair piece is drawn onto a piece of folded polythene with lines drawn on the to show the direction of the stripe
then the carbon is put inside the polythene with the resin matched up to the lines 
then squeegee the resin into the carbon and cut out the shape about 1cm bigger than the template 
you can then peel off the layer of carbon with the polythene stuck to the top 
its then possible to drop the carbon onto the part and move it around until you match up the 
lines drawn on the polythene 
then peel the polythene off the carbon and you should be left with it matching up but overlapping the flash tape 
then bag it and cure it 
when its cured you can sand through the carbon overlapped onto the flash tape without damaging the original 
and with a bit of care the carbon blends in nicely to the original join 

i will try and find more pictures of  carbon  things i have repaired 
Edited 12 Years Ago by Bruce
GO

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