Hi there, first post, but I'm starting my own project so I should be on here quite a bit over the summer. I'd like to ask about unidirectional weaves - does Easy Composites sell this? And with a bidirectional weave, how much strength is given in each direction?

Also, I'm considering making various tubes out of single layers of carbon, curing them, then bonding the tubes together as a final structure, finally wrapping the entire structure multiple times for strength. When I oven cure the whole assembly, which will be vac bagged, will the inner tubes that were cured initially become maleable in the heat - potentially leading to deformation of the structure? (for further info, the inner tubes will be made around expanding foam which I will want to remove from the final structure, but once the tubes are combined there will be no way I can get it out, hence the two stage process. The inner tube will become the 'mould' for the outer layers).

If this is so, is it possible to use an epoxy which cures at a higher temperature on the initial, inner tubes so that curing a second time when fully wrapped can be done at a lower termperature?