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Author Topic:   AIRMAR B260 Through-Hull SONAR Transducer
herbyon posted 02-27-2006 01:53 AM ET (US)   Profile for herbyon   Send Email to herbyon  
Hello, I seek good performance and I would like to place a AIRMAR B260 through-hull transducer on an OUTRAGE 23. Do you think it's a good choice?
Thank you.
oroseiwhaler posted 03-22-2006 05:48 AM ET (US)     Profile for oroseiwhaler    
Hi herbyon,

i have a '98 Outrage 23 and had a similar transducer mounted as follows.

First installation:
Tru-hull on the mounting location behind the battery plate. Due to a erratic cut from the mechanic (he cutted the fairy block the wrong way and he had to cut it anothe time) the transducer came out of the hull too less (maybe 2 inch). This caused no readings over 6 knots due to turbulence from the strake beneath .

Second installation:
Due to unknown reasons i lost the pizo underway in full working season so i had to find a quick solution.
I made a L-shaped mounting plate from inox and bolt it to the stern between my 2 motors in the center of the keel.
Only the fairy block with the transducer in it is 1 inch below the bottom of the keel.
This installation works great and reads up to 130 feet @ 25 knots, faster there are to much disturbs on the screen.

The first installation tru-hull on the mentioned location should work, but you have to take care that the fairy block
is cutted minimal the right inclination and the right way (larger side to bow). So it came off the turbulences from the strake and it should work fine.

If you have 2 outboards, the mounting between the motors works very well and you don't have to drill a large hole to the hull for the tru-hull installation.

If you are interested in fotos ore other advice, let me know.

Best regards


aubv posted 03-22-2006 09:07 AM ET (US)     Profile for aubv  Send Email to aubv     

I installed an Airmar In Hull transducer(260?) in a 2001 23' Outrage. I was not happy with the results and then installed a transom mount transducer on a piece of starboard attached with 5200 so I would not have to drill holes below the water line. This has worked well.

I suspect there is some foam on my boat, in the area that is designed for an In-hull transducer, this might account for the poor results. I say this because the transducer when held overboard, returned good results.

BIG O posted 03-22-2006 11:20 AM ET (US)     Profile for BIG O  Send Email to BIG O     
I have a 26 ft Outrage with Twin 225 Optimax motors,
I am the second owner of the boat had originaly a small Raymarine
bottom machine with an aft mounted transducer, which was broken it would not stay down, I had a Furuno 600 off of my other boat and a 1000 watt bronze thru hull transducer. BW has
a boat diagram, detailing were you can mount a thru hull transducer on my boat its located under the battery box. BW
filled this area in with puddy, rather than foam to allow this instalation and the guys in the tec department of BW were a great help, and answerd a ton of my questions which says a lot about them two thumbs up to this company.
I will admit that I was a little concerned drilling a hole in the bottom of my boat, if you ever would like to see how thick the core of this boat is do what I did one point I need to make and thumbs up to Furuno due to the core thickness the neck of my old tranducer was not long enough with the fairing block to go thru the hull for me to secure to the inside the guys at Furuno make a longer yoke transducer and swapped my old one out for longer one at no charge.
I am very happy with the result of this instalation and running at, 30K I have perfect clarity. Hope this helps
Big O
oroseiwhaler posted 03-23-2006 06:18 AM ET (US)     Profile for oroseiwhaler    
Hi all,

due to the size (8.5" long without fairy block) of the B260 stern mounting needs a real heavy duty mounting plate and with the high performance fairy it will be almost impossible due to it's size ( 21.8" long). With the standard fairy it works because it's much shorter.

Trough-Hull shooting or in-hull transducers won't work due the foam core even on the original mounting location.

I have a SS505 with the standard fairy and it mounts perfect on my self made L-shape mounting plate.

If you consider the High Performance Fairing be advised that you have to make 2 holes, one fit the transducer neck and one for the bolt in the front of the fairy. And i'm not shure if the thinner area of the transducer mounting location is large enough to fit both holes.
Check the dimensions on the airmar website and measure the size of the transducer mounting location on your Outrage to verify this.

I would go with the standard fairing because i know that it fits there.


BIG O posted 03-23-2006 09:20 AM ET (US)     Profile for BIG O  Send Email to BIG O     
I have to go to my warehouse this morning and I will shoot some pictures of the instalation on my boat.
Big O
BIG O posted 03-27-2006 03:55 PM ET (US)     Profile for BIG O  Send Email to BIG O     
Finaly made to the warehouse, I am not sure how to post a pic but if you would like to see a pic of the install, here is a link.

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