Seafarer log

[silverseal]

I have just been given a Seafarer log which apparently works. It has what looks like a transducer which was bonded to the hull.. I am confused, but is has a multipoint cable which correctly plugs into the log.. so how does/did it work?
I would have expected a paddly thing which gives the barneys a free ride, and constantly needs clearing.

Anybody got one and are they any good?

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[tugboat]

Sounds like you have got a depth transducer with your log display /forums/images/icons/crazy.gif

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[ashanta]

It's a seafarer echo sounder

Refards.

Peter.

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[DanTribe]

Seafarer used to make a doppler log, I think it was discontinued about 15 years ago. One was fitted to my current boat but I couldn't get it to work. The transducer had two studs about an inch apart. I think it went in the skip a few weeks ago but I'll check the garage tomorrow.
Dan

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[ccscott49]

The seafarer log will not work inside the hull, I think it is meant to be outside the hull, and is a doppler type log, they were very good, mine worked fine for years.

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[silverseal]

With regard to the Seafarer echo sounder, I also have one of those, which is completely different. For a start the Log is calibrated in knots, and has an elapsed mileage function.. the sounder has a simple coax arrangement, the "transducer" for the log has a 6 pin cable.

Looks like we might transom mount it and see if it works

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[Boathook]

Re: Seafarer log re silverseal

As some other comments if it has 2 screws in the unit it is a doppler type log. We had one for years that worked well. Only got rid of it as other instruments started to pack up & we got an integated system. The log needs to go through the hull, standard 2" skin fitting I believe, with the 2 screws just proud. Only maintenance is to keep the screws clean !

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[penultimate]

Not really relevant to your thread but as our boats are so similar I thought you might be interested in my experiences.
Some weeks ago I posted a thread on the advisability of installing an Echomarine transducer with my existing Seafarer display unit. The considered opinion was not to go down that road and on advice from AWMarine I am now replacing the original "paddly thing" with a new unit. This involves cutting a larger through hull aperture. It transpires that my existing transducer was not a Seafarer but some other obsolete make which had been adapted to work with a Seafarer trailing log; and my display unit was from the original trailing log.
Since your hull thickness in way of the transducer is nearly 50mm, no through hull transducer is likely to be very effective.

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[Kyle2]

I have a Seafarer log. It has a small propeller on the end of a wire, which trails behind the boat, to sense the speed through the water. The head unit is a large black box with a white dial. It works well, but I plan to replace it with a NASA Clipper unit, mainly because the Seafarer head unit is so big and gets in the way. Ideally, I would prefer to use the trailing log from the Seafarer (no fouling, and no hole in the hull) with a compact digital readout, as with the Clipper. I also have a Seafarer 'whirlygig' echo sounder, with a sensor which passes through the hull. This is quite difficult to read (at least in daylight).

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[milltech]

I'll reply again tomorrow but I have a similar log, only mine is lacking the studs on the transducer and permanently reads about 3.4 knots when doing any speed at all. I'm sure I bought the instructions home with me but they're in another place.

If you've got the studs on your log and decide to part with same I would be interested.

<hr width=100% size=1>John
http://www.on-line-marine.com

 

[virtualgardener]

I had one of these on a Trapper 501 many years ago. It was accuarate and very reliable.

No problems with fouling of the paddle wheel.

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