Sod your F-box, heres the A-screw


Seems every good invention needs a silly name these days so here it is.
The A-screw is a bolt with a hole in that can be screwed in or out, moving the daggerboard fixing pin in a slot in the foil. Nothing on the boat changes, just the pin position in the foil. The resolution is pretty good allowing 1/2 turn increments, the Bolt is standard M8 which gives 0.625 mm of pin movement for half a turn…