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Old 28-02-2010, 10:52   #31
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This looks like a disaster and it is..but I haven't took a picture since all the new hosing went in.

But could you not do something like this?

The green line is where my exhaust hose goes up to mid ship, about a foot higher then shown to a 180 degree fiberglass "U" back down and along the bilge and out amid ship on the Port side.

I don't even have a muffler!...the run is long enough where sound is completely absorbed by the water in the line...The back pressure is minimal and not a problem...total run probably 15'+

I showed up one day to paint the engine beds and they had the engine in already...Oh well nothing a 1" brush and a couple trips to the chiropractor cant handle..
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Old 02-03-2010, 22:58   #32
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Quote:
Originally Posted by SailNomad View Post
FWIW on my 43 Irwin the Tranny is the mirror image of what you have.
Looking up from the shaft to the box, the dipstick cap is on the left (Port) side where also the exhaust comes out. The shifter linkage in on the Starboard, and in my case, being a Center cockpit, the cable goes up straight from there.
The exhaust crosses over the tranny and goes into a box in the opposite corner from where it is lifted.
But also, mine is a Turbo
Since the dipstick locations are different, I suspect that there are two versions of the box. Otherwise they look identical.
There must be two versions of the tranny. Mine is the KM35P.

I've ordered up some special exhaust hose that will dog leg around the shifter linkage so I can use it the way it was intended. Pictures to come later.......


.
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Old 03-03-2010, 23:04   #33
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Well, I solved the vent loop problem. As you can see the fittings are so close that one can not even install 90 fittings but there is a fitting on the side of the exhaust elbow so I switched over to that one. Although the heat exchanger fitting still sticks straight out.

Since there were other factory made bent hoses I figured why not go to an auto parts and pick up some pre-made bent hoses to get around the tight spots and still get the "T" in the loop for the PSS hose. It looks a bit odd but it should work just fine.
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Old 04-03-2010, 21:27   #34
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Old 05-03-2010, 05:18   #35
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Siphon Breaks / Vented Loops have a tendancy to spit raw water when the vent opens and closes when starting and stopping the engine. Make sure this spray is deflected away from the engine otherwise you'll quickley have a corrosion problem. I speak from experience!
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Old 06-03-2010, 08:00   #36
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Good job Del. Looks fine
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Old 06-03-2010, 16:50   #37
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Del,
adapt the little joker valve on the Forespar loop to a hose. Then run the hose down to the bilge.
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Old 06-03-2010, 22:26   #38
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Siphon Breaks / Vented Loops have a tendancy to spit raw water when the vent opens and closes when starting and stopping the engine. Make sure this spray is deflected away from the engine otherwise you'll quickley have a corrosion problem. I speak from experience!
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Originally Posted by never monday
Del,
adapt the little joker valve on the Forespar loop to a hose. Then run the hose down to the bilge.
My last one didn't spit a drop, we'll see what happens with this one, it's new, probably made in China.

But today I discovered how thick my hull was. I had to drill a new hole on the opposite side for the raw water inlet. The old one was too small and under the exhaust right where the shifter would hit.

.
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Old 07-03-2010, 15:49   #39
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Wow, that's impressive - Never heard of a Choate 40 before, just looked at one online, an interesting boat - Nice....
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Old 07-03-2010, 17:39   #40
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My last one didn't spit a drop, we'll see what happens with this one, it's new, probably made in China.

But today I discovered how thick my hull was. I had to drill a new hole on the opposite side for the raw water inlet. The old one was too small and under the exhaust right where the shifter would hit.

.
i'm not thrilled with a cored hull
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Old 07-03-2010, 17:58   #41
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i'm not thrilled with a cored hull
It's been sailing for 30 years, crashed the keel many times and still going strong. It'll probably out last me unless I decide to take it with me.

I found out today I also need a longer thruhull fitting. Back to the marine supply.
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Old 07-03-2010, 23:24   #42
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What is she cored with? Choate built some long lasting boats.
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Old 08-03-2010, 12:30   #43
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The hull is cored with a red foam, not sure what it is. But it must have came in sheets of squares like what balsa does. I can see breaks in the foam just like with balsa from the core samples I've drilled out. The horizontal part of the deck is cored in balsa but the upright sections are also a tan colored foam and the cockpit is cored in plywood.
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Old 09-03-2010, 12:10   #44
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But today I discovered how thick my hull was. I had to drill a new hole on the opposite side for the raw water inlet. The old one was too small and under the exhaust right where the shifter would hit.

.
Wow!!...But Surly the topsides are thinner... No?
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Old 09-03-2010, 13:13   #45
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Wow!!...But Surly the topsides are thinner... No?
The deck has about 1/4" inside and out with about 5/8" core. The hull up by the rubrail thins down to 1-1/8" being thinner on the glass.
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