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Thank you for the useful information. I will assume the keel on my yacht is filled with the similar materials so it will not be used to mount transducers. There's an existing thru-hull transducer with fairing block located midship between the two starboard side stringers. I wanted to install...

My yacht is a 1979 44' Marine Trader tri-cabin twin engine. Does anyone know during this period of manufacturing if the keel was left hollow or filled with concrete? I am putting together plans to install a new marine navigation system and exploring the possibility of having a transducer(s)...

What is the length of the boom?

My 1979 44’ Marine Trader is insured through GEICO which I believe US Boats are the underwriter. I found at the time of purchase that many insurance companies will not insure yachts of my size unless the owner/captain had at least three years experience operating a yacht of similar size. Because...

BCK, My 1979 Marine Trader has the exact same sliding door clawbolt mortised lock set as installed on your yacht. Although a bit dark your picture showed the mortise lock just fine. However on my door hardware both the keys and the locks have the word “SHARK” stamped on them. Did you arrive at...

I second Bar Keepers Friend cleanser. For most applications it is a miracle in a can.

Ninety-Seven people viewed this post and only one person offered advice? No one here replaced a black water holding tank? That's hard to believe. Thank you Comodave for giving your input.

Hello Everyone, Recently I discovered the original fiberglass blackwater holding tank in my 1979 Marine Trader 44 is no longer holding waste. My investigations revealed that a long crack, about 14" in length, formed along the tank bottom corner edge. I suspect a small crack started many...

Congratulations! I have used the Purina Tidy Cats Breeze Litter System on my yacht for one cat for 9 months now with great success. I have found there is no urine oder when pad is changed regularly. Using pellets significantly reduces tracking. Wish you much happiness and joy with your new...

A missing piece to a Lego model?

Accepting reasonable offers.

Very nicely done restoration! I am curious to know how the solar panels deploy from your FB. I have similar aspersions for my MT44.

Could you share with us some dimensions?

For sale new in box Blue Sea Systems #7532 12 VDC, 40 Amp, 3 bank, 4 stage, generation 2, battery charger with #7520 LED remote display. Bought both of these in September 2019. I have since decided instead to install an inverter/charger unit. Selling both for $700 + shipping.

My MT44 came with an old very large electrical schematic drawing. However after closer inspection it says C&L in one area and hand tracing of wires showed it does not come even close to how my boat was wired.

Twice a month I take my twin FL120’s for a 30 minute cruise then on my way back in stop at the pump out station for a quick unload. They run like champions and never need to pay for a pump out.

In most cases the fuse between the battery bank and inverter should be a Class T type fuse. Read the inverter IOM to see if the manufacturer recommends a type of fuse.

When installing an inverter it is essential to separate inverter load neutrals from non-inverter load neutrals.

For some time now I have rationalized replacing an inoperable diesel fueled Entec generator with a portable gasoline fueled Honda 2000 watt generator. A couple of my marina buddies have done this so I figured it was a good idea. After reading many of the concerns and heading the warnings here...

In Alameda, CA I pay $565 for a 46’ x 17’ slip + $350 liveaboard. Water is included and electricity is metered separately. That may seem like a lot but still much less expensive than renting an apartment in this area.

I am interested. Where are you located?

One of the first tasks performed just after purchasing my 1979 MT44 tri-cabin was to make a complete set of wiring diagrams. Spent many hours crawling through every nook and cranny. But it was so well worth the effort.

If your yacht has hydraulic steering the valve might be used to adjust how quickly the rudder(s) respond to steering.

While looking at the various Centek fiberglass products I read through the Vernalift muffler data sheet. It says the typical exhaust size for 101hp - 125hp engines is 3.5” to 5”. Mine are 3” in and out. I’m going to contact Centek for their support to determine proper size. All the...

Hello fellow trawler owners, About six months ago I bought my first trawler. It’s a 1979 Marine Trader 44’ tri-cabin with original twin Ford Lehman 120 engines. This weekend I’m working on repairing one of a few items that were discovered during the engine survey. The surveyor found the port...