Fantastic answer Tony, clear and quite obvious when you think about it. I am a mech so used to metal that should not have voids~:)
Is the increased stiffness due to reduced twist? The area is not different so the moment of inertia would be the same.
He used to be an SE. I have fully designed plans with calcs etc but he is being helpful in looking to see if I can save money. Pretty...
Thanks all for the feedback. Its the spring that I and a bit concerned over. the 7x2 are already losing me 1" over the aluminium beams and at 8x2...
I am about to convert my loft. I have my own drawings and was planning to use telebeams. The span from wall plate to wall plate is 5.2m.
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