I am wondering if any of you prop experts out can help me. I had had various size figures thrown at me and I am confused. I am building a 57 footer fishing beam trawler. The parameters are as follows:
LWL - 52ft
Beam - 16ft
Draft - 5ft
Displacement - abt 30 tons
Hull - Displacement hull (wood construction)
Desired Speed - 9 knots
Engine - 220 hp
Gearbox ratio - 2.95:1 or 3.5:1
Prop type - Bronze (fixed pitch)-4 blade.
What size of pitched prop would give best performance?
Thanking you in advance for your comments
Nabb
LWL - 52ft
Beam - 16ft
Draft - 5ft
Displacement - abt 30 tons
Hull - Displacement hull (wood construction)
Desired Speed - 9 knots
Engine - 220 hp
Gearbox ratio - 2.95:1 or 3.5:1
Prop type - Bronze (fixed pitch)-4 blade.
What size of pitched prop would give best performance?
Thanking you in advance for your comments
Nabb