I don't know. Generally the intermediate bearings go twice as long as the cutlass bearings (near the propeller). It might be possible to press...
Design something to solve that issue, and you'll be a billionaire!
You have no idea how many times in the Bahmas the thought has crossed my mind to shoot down an annoying drone with a 12 gauge...….then the felon...
You don't want those on a recreational boat. The cages would be for a low speed commercial boat. Kortz nozzles would also generally be for a low...
I agree with the privacy thing. Also with technology (ie drones, camera phones, etc.) privacy can be invaded more easily. But even back 30 years...
It all depends on the bottom and how much weight you add. I would expect given the age and everything 23-24 knots at cruise as the boat did 24...
It's all about load and varying load with them. Not necessarily RPM. I've heard varying opinions from many well knowledgable sources. Vary load...