Rollas is one of the top prop manufacturers, perhaps even ahead of Veem. BUT, you're talking about 22 year old propeller technology versus now....
Could be the fuel filters are getting a little dirty. Your boat is designed to run off of one generator 99% of the time. The generators are...
On MTU 183's they don't. If you ever snap the belts on a 183 at cruise rpm's. The engine will overheat and grenade before the coolant temp...
True, but I'm assuming they're the same....... hence the IF OP: ask your buddy what size props they have.
If the props on the boat are 50" of pitch, and you're turning 2320 with 2.03:1 gears you currently have 32% prop slip right now, so definately...
What ratio are the gears?
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