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Looking for Transducer advice.

Old 06-26-2015, 04:55 PM
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Default Looking for Transducer advice.

OK I have a pair of Furuno VX2's, and a DFF1 sounder box (set at 1kw), also have 6kw open radar. I currently have an Airmar B260 glassed in ducer. It is not working very well, and loses bottom past 400', if I completely stop I may get away with 500'. If I am in 1200 and go to Low freq, I can eventually find what resembles the bottom but it is so filled with clutter that it is a guess as to what is really there. The boat is a 2007 Bluewater 2850.

OK now for what I am thinking.. I know I know CHIRP.....
I do not want to drop $1600 on a new sounder box, then another $1,000 plus for a transducer as I figure sometime in the not too distant future I will probably be doing a complete Electronics upgrade. Would really like to step up to NMEA 2000 stuff. With that said I have 2 options (that I am aware of), try to remove the old Airmar and replace it (not liking the idea of possibly having to cut it out and re-glass a new one in). The other option I see is leave that ducer there and add something like a Airmar M260 Thru hull with the tank that is custom cut and glassed into the inside of the Bilge. I have the room in the bilge, but am curious if the tank I put in for a standard ducer today would also fit a CHIRP ducer in a few years.

Open to ideas....

Thanks for everyones 2 cents.. Maybe it will add up to a centsable solution.
Old 06-27-2015, 06:37 AM
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On your size boat I prefer a B260 installed with the fairing...and not flush and glassed in.
Still you seem to have an issue..the B260 should get 1000' easily at 50 K..
Of course having a 22" fairing is not a good option if the boat is trailed...but it will give the best sonar capability vs glassed in.
And yes..if you use a M260 that tank ...you can retro fit the M265 CHIRP head into it in the future.

Last edited by semperfifishing; 06-27-2015 at 09:15 AM.
Old 06-27-2015, 07:29 AM
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I had the about the same setup as you. A VX2/DFF1 with a B260 glassed in my Venture 34 up until about 18 months ago.

If I recall correctly, I could run offshore on plane using 200 KHz until about 400 ft when I would lose bottom. I would then switch to 50 KHz and get to about 1000 ft where I would lose bottom again. At trolling speed, I could maintain bottom at 50 KHz untill about 1800 Ft.

This is all using the "auto" setting.

It sounds to me like you have a problem. I would first check your wiring and make sure you don't have a pinched cable somewhere.
Old 06-27-2015, 03:29 PM
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I have been through the wiring and don't see any place where there could be a pinched wire. I talked to a guy at International Marine 2 weeks ago when I was getting my Suzuki gauges re-programmed, and he seemed to think the element in my B260 was going. I am pretty sure I had the same transducer in my previous boat and it worked much better than this one does.

Travis I would be interested in your opinion on the M260? I honestly think that is my easiest and most realistic repair to this issue. Yes it is a trailered boat and I really don't want a fairing block hanging down below the boat like that. Not to mention a B260 is more $ than a M260, and I would have to hire someone to do the glass work. The M260 I have no issues cutting and glassing that in myself.

Thank you for the replies..
Old 06-27-2015, 03:38 PM
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The M260 with the DFF1 is normally good to about 800-1000' ..depending on your hull thickness and condition.
A very easy install..I will be glad to walk you thru.
Do you have a cored hull?
Old 06-27-2015, 03:54 PM
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From what I have read about the install it is pretty easy. It is a solid fiberglass hull. I was hoping to get past 800-1,000 and get in the 1500 range without too much issue. I do realize it won't read deep bottom when running, but would like to be effective with it sword fishing and things like that. Just getting into deep dropping and would be helpful to have better bottom definition.
Old 06-27-2015, 03:56 PM
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Looks like I should go try to remove the B260 and see if it is a reasonable option. The boat manufacturer has basically said some come right out and some are a real pain to get out.
Old 06-27-2015, 03:57 PM
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Originally Posted by Kevinwwings2 View Post
From what I have read about the install it is pretty easy. It is a solid fiberglass hull. I was hoping to get past 800-1,000 and get in the 1500 range without too much issue. I do realize it won't read deep bottom when running, but would like to be effective with it sword fishing and things like that. Just getting into deep dropping and would be helpful to have better bottom definition.
The shoot thru can loose up to 30% depth capability due to the attenuation of the hull.
So I am cautious when I mention 800' to 1000' reading bottom.
I have gone deeper on some units but it all depends on conditions.
Old 06-27-2015, 04:07 PM
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Airmar shows it being good to 2600', is that a dream?? Even a 30% loss from there would be fine with me. That would get me in the 1800' range which would work for now. I'd love to be able to know depth beyond that but having much detail is pointless to me past 1600' or so.
Old 06-27-2015, 04:50 PM
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Travis if you would shoot me the price for a B 260, don't need the fairing, shipped to 34953. I am going to try and punch the ole one out tomorrow. Hopefully some de-bond, weight and maybe a few blows from a hammer will punch it out. If it doesn't come out I am probably going to go the M 260 route. I recently bought a temp sensor from you which I will not use and just use the temp from the B260, so I would need the Furuno plug for the DFF1.
Old 06-27-2015, 05:40 PM
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Looks like the big challenge may be just getting the nutt off the top of it. Darn thing is corroded on pretty bad. Managed to move it 1/6 of a turn and appears to be frozen. Time to bust out the welder and make some tools.
Old 06-27-2015, 05:57 PM
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Originally Posted by Kevinwwings2 View Post
Travis if you would shoot me the price for a B 260, don't need the fairing, shipped to 34953. I am going to try and punch the ole one out tomorrow. Hopefully some de-bond, weight and maybe a few blows from a hammer will punch it out. If it doesn't come out I am probably going to go the M 260 route. I recently bought a temp sensor from you which I will not use and just use the temp from the B260, so I would need the Furuno plug for the DFF1.
If it is glassed ..used a Dremel tool or similar rotary cutter and cut/score around the edges.


I will pm you pricing.
Old 06-27-2015, 08:08 PM
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Thank you.
Pricing received and as usual you're better than expected.
Old 06-28-2015, 04:40 PM
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PM sent on info to purchase the new Transducer. Thank you so much for your help..

Kevin

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