If the time is taken to browse aviation theory (lift..loss of...) remember the linguist of FOIL. If the reference is obscure...allow a secound...
I ..of course would also appreciate any info provided on the pedigree. I do not want to make this a "starship enterprise". I look at the hull...
I have a 1972 sail bird tri that is being restored. Length:18ft width: 12.5 ft the stock mast height is 24 ft. With the L/W measurements...