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Old 07-17-2016, 03:42 PM   #1
Join Date: Feb 2010
Posts: 840
Dripless Shaft

This is question for those with a newer boat equipped with the dripless shaft stuffing box.

What is the typical exterior temperature range we should expect to see while underway when shooting it with the heat gun at 6" away?

If memory serves me correct we would look for about 20 degrees above sea leave temperatures on our older stuffing boxes that would drip about every 15 seconds give or take. Another way of telling if the temperature was good was to touch the stuffing box area and it was cool or slightly warm to the touch. Thanks

John (N4050, N4061, N3533 - former owner)
Helmsman 38E - under construction

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Old 07-17-2016, 03:44 PM   #2
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City: Ft Myers, Florida
Vessel Name: Homegrown
Vessel Model: Roberts TY 43
Join Date: Apr 2014
Posts: 209
Mine is cool to the touch...same temperature as the water.


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Old 07-17-2016, 04:03 PM   #3
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City: League City, TX
Vessel Name: Pelago
Vessel Model: Wellcraft 3300 Coastal
Join Date: Aug 2011
Posts: 996
Same here. Just checked it yesterday after launching from this year's yard period. I have checked it a couple of other times and never found it to be higher than the shaft or ambient water temperature.
M/V Pelago
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Old 07-17-2016, 04:26 PM   #4
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City: Fort Myers, FL... Summers in Crisfield, MD
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 9,571
This will vary based on water injection or simple venting. I have one on my charter boat that has water supplied to it after the heat exchanger on the engine. On my trawler the water feed is before the heat exchanger. Some installations simply run a vent line, so there is no real water flow. Which setup do you have?

My preference is water supplied before it goes through the heat exchanger. Although I've never had a problem with the one after the heat exchanger on my charter boat either. Think that one now has about 7,000 hours on it.

I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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