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New GPS/chartplotter install

Discussion of radars, GPS, autopilots, stereos and TV's. Also iPad and other mobile navigation devices.
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Topic author Canada
iceman3500
Scurvy Dog
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Posts: 19
Joined: March 7th, 2013, 9:31 pm
Vessel Info: 1987 Carver 3207

New GPS/chartplotter install

Postby iceman3500 » May 26th, 2013, 9:11 am

We have a 1987 3207 and I want to put a Humminbird 1158 up on the flybridge. I don't really want to mount the transducer on the transom and was thinking of using one the two locations mid-ships that there are old thru hull transducers mounted now. Has anyone else done something like this? Humminbird makes an angled thru hull transducer. Would this work better? Is the post next to the helm station the chase for getting wiring, etc up to the bridge? Thanks.

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AaHubb
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Vessel Info: '99 404 CPMY
my twin diesel pusher
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Re: New GPS/chartplotter install

Postby AaHubb » May 26th, 2013, 12:12 pm

Hello Icman3500.
The best location for a transducer is ahead of the props in 'clean' water. Your plan to replace an unused thru hull should work very well. If available a bronze 'ducer is a safer choice than plastic as it won't crack if struck.
'99 404 CPMY
SeaDragon
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Topic author Canada
iceman3500
Scurvy Dog
Scurvy Dog
Posts: 19
Joined: March 7th, 2013, 9:31 pm
Vessel Info: 1987 Carver 3207

Re: New GPS/chartplotter install

Postby iceman3500 » May 26th, 2013, 10:48 pm

Thanks Aahub. The plan is to epoxy the transducer inside the hull which would be basically just below the inside helm. I know I will lose the temperature capability but that is not a bad trade off in my opinion. In Lake of the Woods you are either driving on it for 6 months in the winter or braving swimming the other six. There is a hatch in the galley very close to the centre of the boat in both directions. Easy to put the transducer there. The chase to the fly bridge is right above there as well. Any opinions on what to secure the transducer with or if it worth swapping out the standard transom mount one for an angled thru hull one? Thanks.
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Seif911
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Vessel Info: 1977 Carver Mariner 33'
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Re: New GPS/chartplotter install

Postby Seif911 » May 27th, 2013, 7:45 am

Hi Iceman,
I just did what you are trying to do. In the 77' Mariner, Carver actually made a box in the hull that is filled with antifreeze and they mounted a thru-hull transducer inside the box. I removed their non working transducer and out in mine for my Eagle 480 DF. The problem came because my transducer would not fit. I had to cut the fiberglass hole bigger and make a new custom cover. It was actually petty easy. Routing the wire was pretty simple using a fish tape and just following the route they took before.

If you don't have a box premade, just build one on the bottom. It should be ~6"x6". I mounted the transducer to the cover and it just hangs in the antifreeze. It shoots through the hull nicely because Carver has the spot in mid hull thin (they removed the balsa core in this one spot), just for the transducer.
Thanks,
Steve

22' Godfrey Hurricane Fun Deck, Fiberglass hull, 175 HP, Deck boat
24' Chrysler Cruiseliner III (Lonestar), 120 HP, Aluminum Hull, Cabin, 1968
33' Carver Mariner, fiberglass hull, 520 HP, Yacht, 1977
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Topic author Canada
iceman3500
Scurvy Dog
Scurvy Dog
Posts: 19
Joined: March 7th, 2013, 9:31 pm
Vessel Info: 1987 Carver 3207

Re: New GPS/chartplotter install

Postby iceman3500 » May 27th, 2013, 4:01 pm

Where was your access hatch to get at the transducer box?
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waybomb
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Posts: 1967
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
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Re: New GPS/chartplotter install

Postby waybomb » May 27th, 2013, 4:58 pm

I am going to bet your newer Carver does not have the box. I would figure out which transducer you can use to fit exactly the same as one of your existing units. It'll be a workout to get it out, but it is much better than drilling yet another hole in the bottom of your boat!
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft
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United States of America
Seif911
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Posts: 233
Joined: April 11th, 2013, 6:46 am
Vessel Info: 1977 Carver Mariner 33'
Location: Sheboygan, WI
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Re: New GPS/chartplotter install

Postby Seif911 » May 27th, 2013, 6:50 pm

Awe...the new ones don't have the box? What a bummer! My box is mid boat by the tanks and mid bilge pump.
Thanks,
Steve

22' Godfrey Hurricane Fun Deck, Fiberglass hull, 175 HP, Deck boat
24' Chrysler Cruiseliner III (Lonestar), 120 HP, Aluminum Hull, Cabin, 1968
33' Carver Mariner, fiberglass hull, 520 HP, Yacht, 1977
User avatar

United States of America
waybomb
CYO Moderator
CYO Moderator
Posts: 1967
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
Has thanked: 41 times
Been thanked: 283 times

Re: New GPS/chartplotter install

Postby waybomb » May 28th, 2013, 1:41 pm

I've had an 87, and and two 88's. None had the box.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft

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