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Old 04-02-2008, 01:23 PM
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Default In-hull transducers

My fiancee and I just purchased our boat and now we are trying to decide on electronics. We are getting a Garmin 4212 GPS and the Garmin GSD 22 sonar. I am trying to decide on an In-hull transducer though. We are both new to electronics so we are trying to learn. The GSD 22 Sonar will go down to 5000' with a 1 kW transducer. We do not need for it to go that far. We would only be concerned with going down as far as say 1500'. Does anyone have a suggestion for a good in-hull transducer (dual freq) that can do that. I have found a 1 kW in-hull transducer that is $800 to $1000 depending on where you purchase it.

Thanks!!
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Old 04-02-2008, 01:34 PM
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Default Re: In-hull transducers

1500' depth...out of Charleston?? Holy Crap..how big is your boat??
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Old 04-02-2008, 01:41 PM
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Default Re: In-hull transducers

This boat is only 23' but usually we fish a 31' and see normal depths of around 900' to 1200'. I know 1500' is on the high side, but wanted to cover our bases and didn't want to underpower the transducer when the sonar has that much ability. We are not just thinking about ourselves we are thinking about eventual resell as well.
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Old 04-02-2008, 02:13 PM
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Default Re: In-hull transducers

If anyone is telling you your going to see 5000' they are telling fibs, not happining speacialy if you are trolling. To see that deep you would need a furuno black box with 2 seperate transducers 200 and 50 and they are huge, and expensive. I would recomend for you to get a 1000w transducer, however you may only get 600w out of it. The manafacturers say 1000 but that is not true. What are you fishing for?
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Old 04-02-2008, 04:43 PM
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Default RE: In-hull transducers

Quote:
IslandGirl83 - 4/2/2008 4:23 PM

I have found a 1 kW in-hull transducer that is $800 to $1000 depending on where you purchase it.

Thanks!!
Good Grief! First of all, get the 1kw. You may be disappointed in the 600kw, you won't be with the 1000kw. Next, you are shopping in the wrong places. Maybe you're a Neiman Marcus kind of girl. Call Jim at BOE marine. He is a vendor on this site. I have bought all my electronics from him. Very price competitive. You can get 1k for less than $800.
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Old 04-02-2008, 04:52 PM
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Default Re: In-hull transducers

Airmar M-260
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Old 04-02-2008, 06:02 PM
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Default Re: In-hull transducers

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Joe - 4/3/2008 4:34 AM

1500' depth...out of Charleston?? Holy Crap..how big is your boat??

26 ft boat and i know of 4 trips this tear we have been at 1500 and deeper.we like the far side of the 226/380 area.

we also are planning a trip to the charleston bump...


1kw is the way to go..i actually have marked a few spots in 1400/1600ft that i want to deep drop.

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Old 04-02-2008, 06:31 PM
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Default Re: In-hull transducers

Just to clarify, do you want a transducer which installs thru the hull, not one which will shoot thru the hull? There will be some attenuation of the signal if you install a transducer inside the hull because of the layer of glass between the transducer (and its coupling agent) and the water. There are 3 thru hull transducers by Airmar, which will fill your needs--all dual frequency, 1 Kw: B 164, B 258, and B 260 which are thru hull. The B 164 can be flush mounted with the bottom of the hull, and if you trailer may be a better choice--it can be tilted to match the deadrise angle of the thull. The 260 is the better of the others, but both require fairing blocks and will protrude from the hull's bottom. I would choose the B 260. If you do want to put the transducer inside of the boat's hull, and there is no coring at the location you choose, then the M 260 is the first choice.
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Old 04-03-2008, 05:27 AM
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Default RE: In-hull transducers

Quote:
TheOtherLine - 4/2/2008 7:43 PM

Quote:
IslandGirl83 - 4/2/2008 4:23 PM

I have found a 1 kW in-hull transducer that is $800 to $1000 depending on where you purchase it.

Thanks!!
Good Grief! First of all, get the 1kw. You may be disappointed in the 600kw, you won't be with the 1000kw. Next, you are shopping in the wrong places. Maybe you're a Neiman Marcus kind of girl. Call Jim at BOE marine. He is a vendor on this site. I have bought all my electronics from him. Very price competitive. You can get 1k for less than $800.
Thanks but I am shopping on discount electronics sites. So I am doing my best here. I am talking about a 1kw in hull.. yes you can get a 1kw thru hull cheaper. I was worried about being disappointed with the 600 watt... (a 600 kw?.... yeah I am pretty sure you meant a 600 watt.)

I will be going through an electronics dealer/vendor eventually right now I am in the research phase. I don't like going to those types of people until I know pretty well what I am looking for.

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Old 04-03-2008, 05:31 AM
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Default Re: In-hull transducers

Quote:
thataway - 4/2/2008 9:31 PM

Just to clarify, do you want a transducer which installs thru the hull, not one which will shoot thru the hull? There will be some attenuation of the signal if you install a transducer inside the hull because of the layer of glass between the transducer (and its coupling agent) and the water. There are 3 thru hull transducers by Airmar, which will fill your needs--all dual frequency, 1 Kw: B 164, B 258, and B 260 which are thru hull. The B 164 can be flush mounted with the bottom of the hull, and if you trailer may be a better choice--it can be tilted to match the deadrise angle of the thull. The 260 is the better of the others, but both require fairing blocks and will protrude from the hull's bottom. I would choose the B 260. If you do want to put the transducer inside of the boat's hull, and there is no coring at the location you choose, then the M 260 is the first choice.
Thanks for the constructive help... I was wondering if airmar had more than those three? I am pretty sure I am going with the M260. I definitely want to do a "in-hull" or "Shoot thru hull" transducer (different sites refer to them differently) I didn't know about the fair blocks though. how much do they protrude??

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Old 04-03-2008, 05:36 AM
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Default Re: In-hull transducers

Quote:
JESSEAJAMES - 4/2/2008 5:13 PM

If anyone is telling you your going to see 5000' they are telling fibs, not happining speacialy if you are trolling. To see that deep you would need a furuno black box with 2 seperate transducers 200 and 50 and they are huge, and expensive. I would recomend for you to get a 1000w transducer, however you may only get 600w out of it. The manafacturers say 1000 but that is not true. What are you fishing for?
Well I know we won't actually be in places to see 5000' from our boat. And I do not know if that sonar will see that deep or not with the 1kw transducer that is just what the Boaters world website says for the Garmin GSD 22 Sonar. Like I said I don't care about anything deeper than 1500'
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Old 04-03-2008, 09:46 AM
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Default RE: In-hull transducers

Sounds like you know where you are going to put the in hull transducer. Before you do that, why not buy the inexpensive ($85) Airmar P79 (600w)(1500 ft) shoot thru. It's performance in the Gulf is impressive. I have a GSD22 sounder and have marked bottom in 1500 ft in the Keys. If you don't like it for any reason, you can easily pull it up, clean it up and take it back. If you decide you do like it, you can leave as a true shoot thru, or you can mount it in hull if you want. Mine P79 is in hull shooting thru the last 1/4 inch of glass. I have seen the shoot thru presentation (installed per the standard instructions) and it is very close to the in hull presentation. Do the simple thing first......just my 2 cents.
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Old 04-03-2008, 11:43 AM
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Default RE: In-hull transducers

Hi IslandGirl83

I have installed an Airmar M260 in my 24 foot cabin boat. Its an excellent ducer and I have a clear and perfect view of the bottom line at a depth of 1650´on the 50kHz frequency. Note my boats hull are 8+ mm thick (0.315") where I have located the ducer.

I have done the installation by my self and it was not as tricky as first thought. It works very well with my analog sounder LCX-112C.

I can imaging that if you use the digital sounder GSD22 you will have a perfect view of the bottom line at a depth of at least 2000´ but its possible in clear water you could look at the bottom line as deep as to 3000´.

The GSD22 was said it could reach bottom down to 5000´but I think it wouldnt be possible unless you use the 2 kW ducer.

The M260 has a narrow angle of 6° for the 200 kHz and a less narrow angle of 19° for the 50 kHz crystal. This is not perfect for trolling in shallow waters but if trolling in deep water this is ok. The seven elements, 19° angle of the 50kHz Piezo are specified by -3dB, but you will see objects at least in an angle of 34° (-10dB) with your GSD22 sounder.

The 6° angle of the 200kHz element are excellent for wreck-fishing also for searching for special species in deep water.

Du you gonna install it by your self? If yes then I have some pictures I could post, but for the moment I will wait for your answer (and I really dont know how to post pictures in this forum )
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Old 04-03-2008, 12:45 PM
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Default RE: In-hull transducers

an in hull transduce IS a shoot thru transducer? isn't it?
look at this website. http://www.fishonmarine.net/GARMIN_M...NK_p/28001.htm

I do not want a Thru hull transducer (which is the on that you have to put the hole in the hull for), I want an in hull or shoot thru transducer.

Now I am just getting confused.




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Old 04-03-2008, 12:48 PM
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Default RE: In-hull transducers

I don't plan on installing it myself. How is your inshore picture with the M260?

I wouldn't mind seeing pictures of it installed though if you figure out how to post them.
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Old 04-03-2008, 01:00 PM
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Default RE: In-hull transducers

Ok I am pretty sure we are not all comparing apples to apples here.

This is how I understand it and maybe I am wrong so let me know if I am but,

you have
Transom mount tranducers - not even interested
In-hull (also know as shoot thru hull) Transduces - My top choice
Thru hull transducers (which you drill through the hull to install) - really don't want to do

I want an in-hull (aka shoot thru) M260 I believe. So if you have experience with this transducer please let me know. esp if it is paired with the Garmin GSD 22 Sonar.

Thanks!!
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Old 04-03-2008, 08:41 PM
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Default Re: In-hull transducers

I have the M-260 and GSD 22. Top notch! $680 here ya go!
http://www.northeastmarineelectronic...OD&ProdID=6126
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Old 04-04-2008, 09:30 AM
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Default RE: In-hull transducers

Quote:
IslandGirl83 - 4/3/2008 4:00 PM

Ok I am pretty sure we are not all comparing apples to apples here.

This is how I understand it and maybe I am wrong so let me know if I am but,

you have
Transom mount tranducers - not even interested
In-hull (also know as shoot thru hull) Transduces - My top choice
Thru hull transducers (which you drill through the hull to install) - really don't want to do

I want an in-hull (aka shoot thru) M260 I believe. So if you have experience with this transducer please let me know. esp if it is paired with the Garmin GSD 22 Sonar.

Thanks!!
The M260 is a shoot thru ducer 1kw. I have seen it in action, paired with a gsd22 sonar box. Absolutely a great picture.

There is a dealer on this site selling a gsd22 that he rigged up for a boat electronics show for the weekend. He is asking $350 AND tossing in a transducer. You may want to contact him. Even if you don't want his transducer (don't know what it is), you could sell it on ebay and recover some of the gsd 22 cost. Check out the for sale section. If you can't find it and want the link, let me know.

The m260 is perfect for your needs and wants. Good Luck.
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Old 04-04-2008, 06:09 PM
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Default RE: In-hull transducers

IslandGirl83, her you have some pictures of installing the M260 transducer

I had to place the ducer in the only area I had access to and it was just in front of the gas-tank.
I had to dismount the battery and the whole battery-cabinet for to get an access to the bottom of the hull:


Then I could start finding out the dead-rise angle:


And cut the M260-tank to the right angle:


Next step was to choose type of glue or cement to use. My choice was polyester and fiber-glass:


The work could start:


The end of the work, polyester had to get hardened. The day after I added a second layer of polyester only:


Job done! Last thing to do was to screw things together and fill the tank with Propylene-glykol:


Hope you got an idea how to install this type of ducer. Next time I could post some pictures of the ducer at work, inshore and ofshore but I only have pictures down to a depth of 700´ I think. But my Fjord are deep. I know of areas that reach the depth of 2100´++ but I havnt been there yet.

The price for the M260 and GSD22 was surprisingly cheap I must say. I paid $850 for my ducer and I purchase the ducer in the US
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Old 04-05-2008, 06:06 AM
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Default RE: In-hull transducers

Awesome installation.
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