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Go Back   SailNet Community > On Board > Gear & Maintenance > Seafarer 3 Depth Sounder
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Thread: Seafarer 3 Depth Sounder Reply to Thread
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Topic Review (Newest First)
06-19-2014 04:58 PM
julianc
Re: Seafarer 3 Depth Sounder

I see lots on eBay and at boat jumbles in the uk. Still using mine and NASA still sell new compatible transducers. Still like it. I would buy one of eBay as long as I'd talked to the seller.
06-19-2014 04:38 PM
skipbuono
Re: Seafarer 3 Depth Sounder txj

thanks for the info. can't find any seafarer3 in the states. some on google uk ebay. don,t know if it's worth looking into uk. any body got any suggestions for a unit or schematics, or first hand repair on these units?
skipb
06-19-2014 02:36 PM
txg
Re: Seafarer 3 Depth Sounder

We're also still using it, works well. Unfortunately I don't have any schematics. We also got a Seafarer Log (Speedometer), but i've thrown it away as i couldn't get it to work.
06-19-2014 12:16 PM
skipbuono
Re: Seafarer 3 Depth Sounder

anybody still interested in seafarer3 info/discussions. it is a very good old unit and i like it. mine quit after 10 years,it was old when i got it. i'm looking to buy a working unit,or schamatics to repair one.
skipb
06-16-2010 03:30 PM
julianc I can have a go, but its about a 5th copy already - I tried re-drawing it but didn't get very far.

I don't have a manual sorry - just the schematic. I don't think there is any user way to adjust for transducer to keel, there might be a variable resistor deep inside but that would be quite difficult to calibrate.

The big benefit of these old machines is that they are analogue. Digital machines always let you down when there is too much clutter. With a Seafarer you can SEE the clutter - the brain/eye is a much better signal processor than we know how to code.

Of course a modern digital fishfinder is just as good.

How do you know both your head end units are faulty? I brought ours home and connected a condenser mic to the transducer and got enough of a reading from it to tell what was going on.

Think I'm going to have to renew the transducer - what a pain! the current one looks like its epoxied into the wooden hull.

Julian
06-16-2010 05:06 AM
cormoran
seafarer 3 depth sounder

Thanks very much julianc
Does the manual tell you how to adjust the depth ? I am about to give up with the Seafarer.But being a steel boat means cutting a new hole in the hull since all transducers have a bigger diameter .But awould try once more if I had the manual and the wiring diagram.My son lives in Canada ,maybe you could copy it and send it by mail.Please let me know if that is possible.

Regards Cormoran
05-26-2010 01:45 PM
julianc I have a diagram but it doesn't have component values and probably wont scan. My Seafarer3 is currently not giving any readings. I'm hoping the transducer is just clogged with Essex mud. I'll look out the diagram and see what can be done with it.
05-26-2010 05:43 AM
cormoran
Seafarer Mark 3

Quote:
Originally Posted by lilledanserboatandbreakfa View Post
Hello,
I have the manual for the Seafarer 3 Echo sounder. It is for sure 150HZ. I see this post was from quite a while ago, but I would like to find the instrument for the Seafarer 3 echo sounder without the transducer. Did you end up switching out your fathometer, and is the instrument still around?

Thanks!
Hello ,I have 2 instruments and a new transducer.Since there is a fault with both I am looking for a wiring diagram.Can anybody help ?

Thanks
04-15-2008 10:16 AM
julianc I have one, would like to add a repeater output - does the manual have a circuit diagram?

Anyone know the impedance of the transducer in case I want to re-use with a homebrew circuit?

Julian
03-17-2008 01:36 AM
Valiente I have one PLUS a fishfinder. Frankly, I've never bothered to locate the Seafarer's transducer...it must be directly under the nav station in the old boat.

So I've kept both operational. I find with certain bottoms, the fishfinder isn't quite happy to give a consistent depth, whereas the Seafarer will give, when the gain knob is tweaked, as accurate a measurement in chains or fathoms or drams of sheepfat as it is capable of giving. I enjoy its cathode-lit endurance...it's easily the most ancient working bit of electrical gear aboard.
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