by this way propller D.will around 1750mm and it,s too big for 19M. boat propller could,nt be more than 800mm.
i,m an engineer .
Thanks for reply
Engines are instald on the 19 m.composit semi displacment boat.wt 40 tonnes.
how can i calculate ratio for my 2x550 hp volvopenta to reach 20 knot speed
Airex core, polymer foam,reinforced sandwich core from diab.
looking for boat builder with experience to build a boat by core composite ( vacuum,infusion)system.south of Iran.
min.3 month contract...