Any machinist will tell will tell you making a part is cheap
, but setup time will kill ya. SOme points not clearly made in the article:Laying out the new spars for all the fittings is where the real expense is. Then matching old extrusions can be a problem, so a new masthead, and possibly other parts will be needed to match the new extrusion. Trying to remove old fittings from the original spar witout damaging the spar or the fitting is also very time consuming. Personally, I think it would be a wash either way.