[quote=Edchris177][quote=zenwalrus]Last two questions:
1) how do we measure/reference the upward bend in the beam?[/quote]
Two ways, stretch a string from end to end, then tighten until the gap at the centre is about 1/8”.
Or, simply tighten the bottom but til it contacts the beam, then turn it up another 1/8”, which would be about two full turns.[/quote]
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