I need to make some carbon tube and suspect i need to make a mandrel in the lathe to lay the carbon over, what would be the best material for the mandrel ? i have some nylon and alloy bar, would i have any release issues ?

Thanks in anticipation

Chris

Matthieu - your description is accurate, and the shrink tape is release coated Dunstone tape. The guy who gave me the advice doesn't use prepreg, but the wet epoxy he uses cures between 250 F and 350 F.