Bypassing the tube in a tube exhaust
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Edwin
Dec 12, 2021, 4:15:50 PM12/12/21
to cal46
Hi fellow sailors
Hull 5 original Cal Cruising 46
Came with Perkins diesel 4.236
Exhaust manifold consisted of seawater outflow going
Inside a vertical tube which itself has a tube for the dry exhaust
Up at the top the two separate out and combine up at the mixer
I was advised a better system would be to bypass the tube in a tube system and bring seawater outflow separately and connect it to mixer directly using a rubber hose
Has anyone done this?
Edwin
S/V Lahlia
Marina del Rey CA
Hull 5 original Cal Cruising 46
Came with Perkins diesel 4.236
Exhaust manifold consisted of seawater outflow going
Inside a vertical tube which itself has a tube for the dry exhaust
Up at the top the two separate out and combine up at the mixer
I was advised a better system would be to bypass the tube in a tube system and bring seawater outflow separately and connect it to mixer directly using a rubber hose
Has anyone done this?
Edwin
S/V Lahlia
Marina del Rey CA
Phil Rink
Dec 12, 2021, 6:42:58 PM12/12/21
to Edwin, cal46
We upgraded when we repowered, but a standard exhaust elbow into a vetus lift muffler into a vetus water separator, and out the side of the hull right inside the engine room worked great.
The long exhaust hose out the transom can collapse and cause it’s own horrible problems, too.
Phil/Brightwater
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Subject: [cal46] Bypassing the tube in a tube exhaust
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Edwin
Dec 12, 2021, 7:45:49 PM12/12/21
to Phil Rink, cal46
Thx for that Phil
Something to consider
Speaking of repower
Did you use the same Perkins or a turbo Yanmar And how did they take the engine out? Cut the deck ?
I have a V drive since my Perkins sits in the back
Edwin
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