That is a classic propeller fit / key way induced shaft break. The crack most likely propagated from the keyway, the break was clean and happened...
Since you are looking at cleaning up the existing system, go with an Ultra Bilge Pump Switch so you don't have to worry about a float switch...
Olderboater has that right, when comparing the two displacement varies by the cube (raised by the the third) 3 times the boat, effort and cost.
Looks like you have at least 2" of pitch to take out, this may be tough on old re-conditioned propellers. It would be good to work with a local...
Congratulations, the old girl has new legs, 17 knots with fin stabilizers, very nice!
Sweet, getting closer to enjoying the benefits of your comprehensive re-power work!
Good point on the chine walking description, what the OP experienced when the boat (unexpectedly) leaned to Port and stayed there or to Stbd and...
The vast majority of shaft breaks are all at the same point - a stress riser at the keyway fatigues over time and lets go. Could be age, prop/key...
Sorry, my bad, need to get the glasses checked! Swap em out like you proposed.
I like the on engine set-up as is. The metal canister makes sense being so close to the engine heat. What about a 20 micron MA500 closer to the...
Coast Guard passenger vessels absolutely need metal only Racor’s. It is a requirement to get a USCG certificate. Pleasure craft should use at...
Hopefully, yacht design will go back to creating the necessary machinery/treatment spaces first, then the appointments next as normal order of...
Now that is great owner/operator post :)
CAT has a brief discussion on the topic here: https://www.cat.com/en_US/by-industry/marine/USEPATier4FinalMarineEmissions/tier-4-faq.html I have...
So who ever would supply a "smaller' and 'custom" SCR Aftertreatment System would have to re-certify the application to EPA T4 standards. Who is...
You may be able to take a small piece to a plastic extruder / manufacturer and get them to match it and run a small batch for you and then share...
I believe the OP experience chine walking in a light load condition with the original 6V-92's on one last trip. I would be concerned with moving...
Nice of you to post, looking forward to the sea trial results with new power. Regarding the chine walking - with no water and 100 gallons of...
Knew a family that lived next door to Clive Cussler near Costa Mesa, California. He was quite the character, always some ruckus going on in the...
The latest Professional Boat Builder has a nice article on foils for powerboats, expect to see more finished product hitting the markets soon.