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Old 02-26-2017, 09:34 AM   #1
JDCAVE
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City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
Low Coolant Temperature

My son and I took the boat out for a steam-about yesterday. We were on the water for about 3 hours. Everything ran smoothly, with normal engine temperatures. On return I docked, and we spent 10 minutes or so "turning the boat" and playing with lines just before shut down. Just prior to shut down, I noticed the coolant temperature (gauge) was about 20 F below normal operating temperature. Additional information:

- Ford Lehman 135.
-about a 10 minute run up the harbour at 4.5 knots, which is about 1,000 rpm.
- water temperature is very cold right now--water temperature at Hope was 1.5-2.0 degrees C. I'd be surprised if the temperature at Steveston was more than 3-4 degrees or 37-39 degrees F. (Edit update: according to this, 3.9 C)
http://aquatic.pyr.ec.gc.ca/RealTimeBuoys/Default.aspx

Wondering if the thermostat is going wonky or is this "normal" given the cold water.
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