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Re: The first step to Carbon Fibre
OK!!!
Weekend 2 of the CF experience... Decided to use 2 layers of carbon, 1 fibreglass and the last one kevlar/carbon just as a test. The pictures describ it, including the final result but improvements must be done. I'm still not sure if this part can be "salvaged"... The "Henry" process works better than I expected, but it needs a bit more practice and experimenting , but afterall this is the "bodger's corner"... Let's not forget we're talking about trial/error procedures, without any kind of training. Absolute discovery. If anyone can point out what I've done wrong so that air bubbles show in the part, please share it with us. Thank you! |
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Re: The first step to Carbon Fibre
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that milky build up with the bubbles in is excess resin where the cloth isnt going into the sharp corners properly. thats why an autoclave runs at 80-100psi, but henry maybe at 10psi? looks like your there pretty much though, but there are a few things you could do. you can gently roll some resin out of the job starting at the middle working out, dont try too hard or it will probably make the weave "wavy" and fray the edges. when you put the breather mat over it put some rings of mat around those bumbs where the resin builds up, this will help the bag press in harder into the sharp corners. scrunch the bag up into the mould hollow before you put the vacuum on, to make sure you have plenty of bag to expand into every knook and cranny. dont worry about putting wrinkles in the job. looks an excellent first attempt though mate, thats not an easy shaped piece youve decided to copy, well done
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Dave, or whatever the wife feels like calling me at the time ========================= '07 XL1000VA6 oem luggage, centre stand, 2x power sockets, got rid of that crazy sliding luggage plate and IoM sized rear indicators '97 XT600E/SM SM conversion, pro'duro S/S exhaust, carbon fibre bits all over it, poss MoT this year if i can be bothered ========================= i always do a cost/laziness analysis, i only buy something if its too much hassle to make Last edited by davsato; 07-02-10 at 07:43 PM. |
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Re: The first step to Carbon Fibre
as davsato says the resin has pooled between the mold and CF, its a big problem your going to have without a decent vacuum. You can get round it to some extent by using thinner CF fabric and loading the wadding up to put more pressure on it were the mold is curved. For something like that panel I would suggest 7-8 layers of the lightest CF you can get (not sure if you also know, the type of weave effects greatly how much the fabric will drape!)
You may also want to filler that honda logo out... they will see it as its not bad enough you have copied their design but to rip off their trade mark too will get you an invite to court!! |
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Re: The first step to Carbon Fibre
Thank you for your directions.
I didn't use the peel ply , because I read some where that it's mainly to leave a rough finish, in case you want to bond anything else on top of it... but, I did use release film with the little holes and breather fabric as you can see. What I think might have happened, is the resin hardening too fast , not leaving enough time for the breather fabric to absorb the excess. I did put the whole thing on top of the central heating radiator right after vacuuming it... The part itself, I guess I can still save it by sanding the excess resin until it reaches the first cloth layer... Anyway, good fun , although the result wasn't the expected, I'll keep on it. Cheers! |
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Re: The first step to Carbon Fibre
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Thank's for the tip, Jenna...but I'll leave the "rules and regulations" obsession for the natives. Cheers |
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Re: The first step to Carbon Fibre
You may also want to filler that honda logo out... they will see it as its not bad enough you have copied their design but to rip off their trade mark too will get you an invite to court!![/QUOTE]
She's right you know, They can get real funny about it. Seems like a "trickle" of a problem but untapped trickles become torrents. So unless your Chinese blank it out. ( You could get your chissel out and make a little Scarface mould to sit in there ? |
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Re: The first step to Carbon Fibre
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Mate, so far, this lovely piece of c... as cost me £250 and many hours of labour. For somenthing as big as a side panel, it should cost me about 2 grand, plus labour and profit, £3000 should do it. I TAKE PAYPAL!!! |
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