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Old 03-06-2014, 08:18 AM   #9
O C Diver
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City: Fort Myers, FL... Summers in Crisfield, MD
Country: USA
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 7,719
Quote:
Originally Posted by boatpoker View Post
Totally contrary to ABYC standards for good reason. Even a run of the mill half brain dead surveyor will put a giant red flag on your next insurance survey. running either one without the other could push water back up into the non-running engine. Depending on layout the siphoning potential is high.

Pretty sure it would also void your generator warranty.

If that isn't enough, the exhaust would have to exit well above the waterline on the side of the hull (not transom) otherwise even more red flags go up.
I think you're mistaken here. This is a very common setup on sport fish boats over 45'. See a lot of the Carolina and Florida built boats where the main engine, the generator, and the raw water discharge from the AC units all exit the one exhaust pipe. They have been doing it that way for quite a while.

Ted
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