You are reading a single comment by @M_V and its replies.
Click here to read the full conversation.
-
Don’t you have to have a layer of something separating carbon and aluminium so you don’t get some sort of chemical corrosion?
M_V-
Ideally, yes. If you were doing it 'properly' you put down a layer of glass fibre tape down first. But that's really only where the bond is structural, say with alloy lugs and carbon tubes. This would be more of a carbon sarcophagus to hold the alloy bits in place.
I suppose you could always just leave the paint on and make it structural!
Brommers
It wouldn't be pretty, but I'd be tempted to repair it with carbon. Take the paint off around the seat tube/top tube junction, file the welds smooth, and then lay up plenty of UD carbon tape and epoxy, using vinyl tape with pinpricks in it as a compression layer. I think I'd try to get the tape going over the top tube, round the seat tube, then under the top tube in a sort of figure of 8 shape. Then sand the carbon smooth.
It's a bit of a bodge, and I'm sure the purists will be choking on their Richard Sachs branded mocchachino, but it'd work.