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Transducer built into the hull replacement

Old 08-18-2013, 03:38 AM
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Default Transducer built into the hull replacement

I had a 12 year old Furuno 600L Fish Finder that was acting "flakey".

It wouldn't find the bottom except once in a while, displayed lots of noise, etc.

I checked all the obvious things - it was either the display unit, or the transducer.

I rolled the dice, and bought a new Furuno FCV 627. Nice unit! Very easy to use. However the "flakeyness" continued.

So, I need to replace the transducer....

The transducer is built in to the hull!!! You can't remove-and-replace it.

I don't want a external transom mounted transducer.

What are my options?

TOO_THIRSTY
Old 08-18-2013, 05:39 AM
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Pictures? If its the older style with faring block they can be removed fairly easily and replaced with a thru hull b60 or bevel the hole out and add a b164. If its glassed into the keel, that's a different animal. I would have a glass guy look at it. Also check the Airmar tag next to the ducer. You may be able to just get a replacement element. Gil semperfifishing is good with this.
Old 08-18-2013, 08:23 AM
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Welcome on your first post.

As Dive4lobster correctly suggested you have several thru hull options....the B60 the most common thru hull for the FCV627 in shallow to mid water.
What are your target depths?
The flush mount B60 is available in a 12 or 20 degree tilted versions for hulls of deadrise from 8 to 24 degrees.
If the hull is 0 to 7 degrees then you can use a B177.
Same element as the B60 .

If you are not fishing that deep and your hull is of quality fiberglass the P79 shoot thru is also an option.
No holes required and cost effective.

Last edited by semperfifishing; 08-18-2013 at 09:46 AM.
Old 08-18-2013, 09:35 AM
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Wow! Thanks for the quick response.

I have a 2001 27 ft contender with twin 200 HPDI new in 2011.

The transducer is glassed into the keel.

I am fishing of the Sebatian Inlet in Florida - mostly 100 to 300 feet of water. And cruise around in shallow water 2-3 feet.

I really don't want to mount a transducer outside on the transom (I've had problems with drilling holes in the hull. I used to have an old Seacraft)

There is a hole in the transducer that allows for the speddometer and temperature sensor. Is there a transducer that will fit in that hole?

Also, where do I go to read about the transducer models you are mentioning (B60, B177 etc.)?

TOO_THIRSTY
Old 08-18-2013, 09:43 AM
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http://72land-n-sea.blogspot.com/201...ough-hull.html
Old 08-18-2013, 09:49 AM
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Originally Posted by TOO_THIRSTY View Post



Also, where do I go to read about the transducer models you are mentioning (B60, B177 etc.)?

TOO_THIRSTY
Here are links to the Airmar site for the B117 and B60.

http://www.airmartechnology.com/uplo...chures/B60.pdf

http://www.airmartechnology.com/2009...id=34&manf=All

And here is a link to some general information about transducers:

http://finaddicts.us/smf/forums/index.php?topic=719.0


And no...the hole that you have in your current ducer is only for temp and speed...it seems like you may have a B744 without the fairing.

Old 08-20-2013, 12:41 PM
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The two ducers you recomend require a NEW hole in the hull. What about a "shoot thru" ducer?

Like a P79 (as mentioned in your other post)

TOO_THIRSTY
Old 08-20-2013, 01:16 PM
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A P79 will work on a quality fiberglas hull and is cost effective.

For targets in less than 200' for the best performance..but can track bottom far deeper.
Old 08-20-2013, 09:58 PM
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I have a raymarine transducer with a small leak, any suggestions on how to fix?
Old 08-20-2013, 10:19 PM
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Originally Posted by dallasjr View Post
I have a raymarine transducer with a small leak, any suggestions on how to fix?
Drain and clean thoroughly....if it has been filled with antifreeze it may be hard to get really clean ...but I use just plain old 409 ...and dry completely.

Silicone seems to work best.
Old 08-21-2013, 04:46 AM
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I have a 2006 31ft Contender with a Furuno NavnetVX2 1834C/NT. Transducer is glassed in to hull. I know that it's a 1KW transducer but don't know make or model. Any ideas as to what Contender and or Furuno would have used?

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