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if you scuff carbon fibre, say on the ends of the cranks, how bad do the scuffs have to be before you worry about them? and should you recoat the cranks with some form of lacquer? and what kind of lacquer? have I even spelt lacquer correctly?
ta
If it's just a scuff here's a quick fix.
Get some brasso, rub it on the scuff and buff it off - dont let it dry. Scuff will be gone.
As for actually chipping off the lacquer if it gets really bad you might want to think about some kind of protective pad etc.
T-cut is also good for buffing out light scratches.
From my experience of canoeing and carbon fibre it is often gel coated (lacquered). If this cracks then it can soak up water.
Most carbon fibre is epoxy resin mixed with an amine of come sort to form a cross linked structure. The carbon fibre is put into this before it sets to give it more stregth. For very minor repairs you should be able to get away with very lightly sanding it to roughen the surface and then applying some epoxy glue like araldite. This will stop the damage getting any worse.
This was a common technique used to protect and repair the end of carbon fibre paddles.
cheers