Light Aircraft Association

Metal fittings :-
To confirm Water Jetting works very well indeed as long as the material is rubbed down before and after with an oil based cloth. A real concern was the sheet being left damp and as such rusting easily.
Very pleased with the end result and the fettling time saved.

Thank you for your reply Tony. This information was not forthcoming doing a search and is not identified on the plans. LAS will seemingly supply annealed sheet if normalised is not in stock which indicates either will do. That might not be the case for engine mount fittings for example. I am concern...

I am ready to order 4130 sheet for my Pietenpol fittings and would like a confirmation that Normalised is the spec to go for rather than Annealed. Normalised is harder and would seem to be the grade to go for out of choice. Also it seems laser profiling is not recommended due to edge hardening, is t...