boat fibreglass 49.5ft long, 42ft.waterline lngth.

boat fibreglass 49.5ft long, 42ft.waterline lngth.   (02/18/2012, 3:35 AM)

I'm refitting a boat with twin engine. both engine can give 400hp.at 1800rpm. total wt. is about 14 ton. propeller size is 24 in. diameter and 29 in.pitch. how many knots this boat can run with a above info.