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F/V First Team

Admiral
Joined
Jan 10, 2012
Posts
6,146
Likes
2,482
Location
Narnia
Website
www.otisenterprisesmarine.com
Boat Make
Northern Bay 36 - Modified
148626_10153788562145083_309903863_n.jpg
 

chortle

Captain
Joined
Mar 7, 2012
Posts
967
Likes
584
Location
Annapolis, MD
Boat Make
Herreshoff Coquina, 1972 Jarvis Newman 36, PT11
Holy S..t! Known cause? Looks like an old installation.
 

pugsley

Captain
Joined
Dec 12, 2012
Posts
728
Likes
147
it's because those john deeres have sooooooooooo much torque they rip steel sheets to shreds.
 

pugsley

Captain
Joined
Dec 12, 2012
Posts
728
Likes
147
but seriously, no gear mounts, so everytime you shift aren't you getting a little push/pull on that plate?
 

Toolate

Admiral
Joined
Aug 6, 2013
Posts
6,474
Likes
2,388
Location
Southwestern CT
First Name
Ben
Boat Make
1998 36' Sabre Express CAT 3116TA's, 2015 ROS Scotia 16 Etec 50
That is good stuff. Aluminum is pretty soft stuff even cast which the bellhousing looks to be. Odd that it would break in such a brittle fashion. Looks more like a broken cracker than bent metal. Makes me think some vibration fatigued the shit out of the metal for a long time and then it just gave under a particularly high load.

Dont leave us hanging Travis!
 

Toolate

Admiral
Joined
Aug 6, 2013
Posts
6,474
Likes
2,388
Location
Southwestern CT
First Name
Ben
Boat Make
1998 36' Sabre Express CAT 3116TA's, 2015 ROS Scotia 16 Etec 50
I would expect the edges to have a torn look here and there at least is all I was saying especially since the whole circular center piece came out.
 

Badlatitude

Rear Admiral
Joined
Apr 5, 2012
Posts
1,943
Likes
596
Location
CT
I would expect the edges to have a torn look here and there at least is all I was saying especially since the whole circular center piece came out.

We have grenaded a bunch of race trannys and engines. They always shatter. never seen cast bend
 

Keelboater

Admiral
Joined
Oct 3, 2013
Posts
6,336
Likes
4,803
Location
Clinton Harbor
Boat Make
35' Bruno & Stillman
I see rear motor mounts holding up the back of the motor. I see the tranny sitting on the bottom of the boat. I don't see any tranny mounts that could have prevented this overhung load on the aluminum bellhousing. It must have been fatigue failure over a period of time, or maybe all at once during a grudge race?! The shaft had to move quite a bit when this happened. I can't see the shaft coupling or stuffing box. So what kept the boat from sinking? Any pics of her on the bottom? :-o
 
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