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I have owned two trawlers and both had water in the keel. The first was single engine and had a propeller shaft tube through the center sealed at the propeller and at the shaft log. The propeller shaft tube was held in with concrete in the keel. The shaft tube was SS and corroded a pinhole...

Some Clarifications, Seastar bought Capilano and sells more modern versions of the Capilano design that have built in check valves at the helm doing away with the Uniflow valve. It is my information that the Uniflow valve is no longer available but a repair kit may still be available. The...

I have capilano steering and the uniflow valve. My autopilot works flawlessly. I have attached a diagram on how my pump is connected. PLEASE NOTE THAT THE COMPHENSATING LINE MUST BE 6 FEET FROM THE UNIFLOW VALVE. My system has shut off valves locked in the open position on all three pump...

I have every reason to believe my boat keel access and pump arrangement are original. I have twin engines. In the middle of the engine room right over the keel between the center fuel tank and center toilet holding tank I have a 4 inch portal somewhat like a deck plate. This deck plate has...

I have a Labelle 40. It has a hollow keel. I have an automatic bilge pump to pump and keep the keel empty. I am not the first owner but I believe the arrangement is original. If my keel fills with water and then some then the rest of the bilge pumps and high water alarms will operate. The...

Fire protection has been my field of expertise for nearly 50 years. The coast guard requires an extinguisher that meets their requirements. This include the hangar that goes along with it and is subject to that same approval. You can dig into their requirement but may never find why one...

Garmin all the way. Very intuitive and reliable. Goes with my Volvo Pentas.

I have two engines because I need one. I go through the engine room for inspection before and after a voyage. I saw the circulating water pump pulley fall off one of my engines underway through the engine room camera. I also have heat sensitive fire detection in the engine room. Last I have...

Take a lesson from a fused disconnect. When one unit the disconnect shuts power to the fuses. You should arrange your separate disconnect and fuses the same.

I have TAMD40B Volvo diesels and the thing I find is they rarely need parts. In 10 years I have only had to rebuild the circulating pumps. I use GM alternators and keep zincs in my heat exchangers. Glo plugs Autolite FRA1103 are $6 each, New starters are $150 each. There is also a good used...

NC is common diagram designation for "Normally Closed". My tanks supply engines from a dip tube about 2 inches from the bottom of the tank. The other connection is the tank drain. Switching from the dip tube to the drain is best for polishing.

Thought I would show you all my system:

They are in all the chandleries. Look for Carling switch.

It is a battery combiner.

Dashash Until you get your electrical information pinned down the advice you are getting here so far is well intended but is all over the place. Its kind of like "I saw the man with binoculars" Did you see him through binoculars or did you see him and he had binoculars.

You can get a new class B transceiver with NMEA 2000 for the same money or less. The only advantage to class A is it tries harder to interact with others in a high radio traffic situation. My class B has always been there for me.

In my opinion a boubous bow has a primary purpose of extending the wetted perimeter around a boat. This then alters the hull speed calculation. More wetted perimeter more hull speed. While there may be more unintended consequences with the shape and the boat itself, the elemental relationship...

Right or wrong I run 15W40 Rotella in my TAMD40Bs. I do not go synthetic because I do not put enough hours on the engines between yearly oil changes to make it economical.

Take some advice from diesel fire pump engines. John deer is often used by Clarke as a fire pump engine. The fire pump code specifically requires the fuel supply to be above the engine lift pump. In other words your day tank arrangement would be against the law for the very reason you are...

I have been on TF for some time and avoided this thread because I knew that the definition of a trawler got its beginning in Apocrypha. My curiosity got the best of me as to why this thread has been around so long; I opened it for the first time on the 16th page. Just as I had imagined, I feel...

I have the same vintage boat you are looking at. The iron tanks in this boat may start leaking at any time. Just know this and have a plan for the possibility. There are several replacement possibilities all somewhat expensive. Compensate for the possibility is the key.

I like Northern Lights or Westerbeke. 1800 rpm and sound enclosures are a must. Generator size is easy; same size as shore power. Most 40 footers about 60 amps or 8KW.

Careful with interpretations. Neither the Coast Guard or ABYC require automatic engine room fire extinguishing systems or engine shut down in uninspected Diesel Trawlers under 65 feet. I believe you are required to have fire extinguisher ports so the engine room does not need to be opened...

Yachting is expensive. I'm not exactly poor, but I feel like I could not be in Yachting if I did not do much of my own maintenance. I have set aside this week for oil changes and engine zincs. After the new year a quick haul, bottom cleaning and exterior zincs. My boat is up on its...

I'm all electric and I have a $10,000 generator in a sound enclosure. Why would I ever consider solar and batteries and inverters or propane and all the extra crap that goes with them. Generator humming is sort of peaceful to me.