Recent content by TB74

Thanks for your reply, I have already contacted the designer and I'm waiting to hear back from him. I certainly wasn't intending to make any decision based solely on replies to an internet forum question but was interested in any views on the physics involved.

I'm considering building a microlight aircraft from a set of plans. According to the plans the wing spar required is a 6m long rectangular box section 100mm x 50mm with wall thickness of 2mm, it is made of aluminium grade 6060 T5. I'm struggling to source a suitable piece of aluminium so was...