Hi Dave
I had this problem when we bought SP, little or no water was making it
through, and it turned out to be the right angle elbow was clogged. I
cleaned it out and she's run fine ever since.
I took the right angle elbow off of the mixing elbow, it just unscrews.
Graham Collins
Secret Plans
C&C 35-III #11
On 2014-05-20 7:17 PM, Dave Lane via CnC-List wrote:
Well, as things usually go, something that worked in the fall doesn't
in the spring.
The engine starts but no cooling water flows out the exhaust - I did
not need to find this out on launch day!
Anyway, this is a C&C 29-2 with 2GM-F engine. I diagnosed it and it's
fine all the way to and including the raw water out of the heat
exchanger. When I blow into the hose going into the u-shaped exhaust
mixer, it's plugged. The engine exhaust itself seems fine. After it
goes through the mixer, there is about a 2" ID hose to the muffler
then another 2" hose to the stern port.
This problem may have been getting worse as the years went by as last
year I was thinking the water flow was not as much as previous years.
Questions:
1. Is it likely that the blockage is in the mixer? Any suggestion for
what I should try next?
2. The mixer has a right angle elbow going into it - should I try to
remove it? Or stick I wire in it to try to unclog it?
3. In order to motor "slowly" home (a few miles) from the marina, I
made a run to Canadian Tire for "stuff" and I plugged the exhaust
water input to the mixer and made a temporary hose from the heat
exchanger that I could feed out of the cockpit locker and over the
side (the water flow was great). Can engine be run without water
flowing through the muffler? (ie. does it depend on water cooling?)
Thanks in advance,
Dave
St. Margaret's Bay, NS
"Vela" C&C 29-2
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