Stus-List sprucing up Polyurethane Paint

My "new" paint job is 8 years old and some areas are no longer shiny due to strap tension on the winter cover, so I was wondering if a simply wax type finish or a touch up paint job is in order. Saw some earlier posts, but wanted to weigh in. Thanks, Alex Giannelia a...@airsensing.com (416)

Stus-List El Faro

Not C related, but certainly maritime related - dramatic story about the El Faro, a 1970s container ship that was lost at sea on October 1st, 2015 in Hurricane Joaquin: https://www.vanityfair.com/news/2018/04/inside-el-faro-the-worst-us-maritime-disaster-in-decades Hope all you C'ers are well.

Re: Stus-List thermostat on 3QM30H

Bill, my old 3qm30 had 2 thermostats. My understanding between the raw water cooled and fresh water cooled is the opening temperature of the thermostats. This was from my local Yanmar dealer.  Doug Mountjoy Rebecca Leah LF39 POYC, WA. Original message From: William Walker

Re: Stus-List 3GMF knocking sound

Have Yanmar 3GM and Kanzaki transmission. Had similar issue of only one blade opening after sailing, boat shaking and continuing problem after trying varying speeds, reverse / forward etc. Worked fine if starting from dead stop. Not excessive wear on blade pins. In our case turned out to be

Re: Stus-List thermostat on 3QM30H

Got it, thanks for your input... Bill Sent from AOL Mobile Mail On Sunday, May 27, 2018 Josh Muckley via CnC-List wrote: Absolutely leave 2 thermostats.  I never suggested otherwise.  Without a thermostat in one or both of the ports it will act as though the thermostat

Re: Stus-List 3GMF knocking sound

Martec non-geared props have issues with both blades opening especially if they get worn at the pin in each blade. Sounds like that might be the issue. Was on a J/35 in the late ‘80’s that had that issue and the whole boat would shake. The owner and his son had a routine they went through to

Re: Stus-List thermostat on 3QM30H

Absolutely leave 2 thermostats. I never suggested otherwise. Without a thermostat in one or both of the ports it will act as though the thermostat is wide open all the time providing maximum cooling and the engine will likely never come up to temperature. I was only trying to explain the

Re: Stus-List 3GMF knocking sound

Pretty sure it's a martec, folding 2-blade. I try to power up and it vibrates like crazy. I power down to try and get it to reset so that I don't damage anything with it vibrating so bad. Then I try again. If I rotate the shaft manually I can hear each blade folding open but for some reason it is

Re: Stus-List thermostat on 3QM30H

Josh, Thanks, but I must have older or newer than that diagram (1981 boat). My thermostat housing is on top of exhaust manifold, square in shape with 4 distinct chambers, two of which are machined to accept thermostats.. I think I will just leave as has been for the 7 years I have owned

Re: Stus-List 3GMF knocking sound

I’m curious. What kind of prop do you have that requires you to slow down to get it to open. Most folding ones ask for more speed to get the blades to open. Non opening would produce lots of vibration, which would get lots of noise as the engine bounces around on (particularly) old motor

Re: Stus-List thermostat on 3QM30H

Bill, Check out page 162 in the following link. On page 182 it describes the thermostat setpoints. 160 = fresh and 108 =raw. https://drive.google.com/file/d/0B8pEh5lnvP1yenJtR1BxWjhqZGs/view?usp=drivesdk Josh On Sun, May 27, 2018, 9:28 AM William Walker via CnC-List < cnc-list@cnc-list.com>

Re: Stus-List thermostat on 3QM30H

So your engine IS raw water cooled. This confirms my suspicion that the dual thermostat is part of the raw water design of the HM/GM/QM series. Typically the raw water thermostats run cooler than the fresh. This helps prevent localized boiling and scale formation in the engine. I believe 165°F

Re: Stus-List thermostat on 3QM30H

Josh, I have a drawing from yanmar manual, not quite same as yours. My thermostat cover has bolt pattern different..fore and aft and side to side..I am always confused by "raw water, fresh water" thing...I draw lake water in and through engine and out...no antifreeze or heat exchange..just

Re: Stus-List thermostat on 3QM30H

Is your engine fresh water or raw water cooled. By the model number I'm guessing that it is raw water cooled. I don't have the manuals for the QM series but believe that they are the predecessor to the HM and GM. As such many of the parts are interchangeable and much of the design is the same.

Stus-List thermostat on 3QM30H

Good morning, Yesterday I removed the thermostat cover on top of the exhaust manifold to replace the thermostat which I suspected was bad. I have a yanmar service manual which has detailed drawings of the exhaust manifold on this sea water cooled engine. To my surprise when I removed the

Re: Stus-List Hull lines/Sections, 41

Hello Tom, Have you contacted Doug Cowie, Manager of the Marine Museum of the Great Lakes at Kingston at (613) 542-2261 ( mana...@marmuseum.ca) ? The Marine Museum of the Great Lakes in Kingston, Ontario has in its archives many of the original C Design and Construction Drawings dating from 1972

Stus-List (no subject)

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