I have diamand stays with three spreaders. 1 pointing forward and two pointing backwards appr 10 degrees. Hard tighed. My question: -If you have...
I have a trimaran length 8,50m weighing appr 1100 kg and like to get rid of the fuel outboard motor replacing it with a electric motor. The...
I want to put a movable wing on my 40-footer as described on "dynamicstabilitysystems.com". I do not know what kind of profile to use on the wing....
I have read that the Volvo 70 racer can retract their propeller into the hull. Can anyone tell me how this construction is done?
I have a 12m sailboat with a Volvodiesel and saildrive with a 2-blades folding prop. I calculate the resistance using the frontal area of the...
I wonder why boat designers do not put the boom-end on the spar near deck, so it will be angled up from the spar about 75-80 degrees. I think it...