My raw water cooled 3QM30 runs at 111 F. I hate running a diesel that cold,
but that is what the manual calls out as the design temperature.
I also have a very small raw water intake line, so pulling any cooling water
away from the exhaust system would most likely damage the system.
Pat
'79 C&C 38
On Monday, July 21, 2014 9:32 AM, Rich Knowles via CnC-List
<cnc-list@cnc-list.com> wrote:
If you have a raw water cooled engine, I can see that working, except the
thermostat should hold the temperature to around 160 F.
However, you mention a circulating pump and a heat exchanger so I’m not sure
whether you have a raw water cooled engine, or a closed cooling system which
circulates the engine cooing water/antifreeze through the heat exchanger coil
in the water heater. Can you tell us if you have antifreeze in your engine or
not? Is there an expansion tank on the engine?
Rich
On Jul 21, 2014, at 11:14, George Cone via CnC-List <cnc-list@cnc-list.com>
wrote:
I wanted to run a thought by the list to see if my thoughts to install a small
handheld shower in the back of the cockpit for rinse of and showering at the
area of the wheel are feasible. My positive reasons for this is extra room and
ease of draining and overall cleaning. I am considering connecting to the input
hot water line before it enters the water heater coming from the engine. The
boat is on fresh water , hence I would have unlimited volume of water
available, I assume the water would be pure and clean even though it has gone
through the engine cooling (heating) system, I also assume the temperature of
the water to only be in the 110 degree level at best, and there is a
recirculating pump (that normally recirculates the water from the engine
through the heat exchanger) that can power the water to the shower wand. So
where is my thinking flawed?
Thanks,
George Cone
C&C 40
Vermont
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