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26-09-2014, 12:29
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#1
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Registered User
Join Date: Apr 2014
Location: Placida FL on the hard for now real nice place cheep rent .
Boat: 78 Laguna ,Windrose 24'
Posts: 119
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transom mount transducers
Can anyone tell me if a 6.6ft swing keel will interfere with the operation of a Transom Mount Transducer ? Or even if the Transom Mount Ruder will interfere with the Transducer ? Transducer is mainly for a depth finder, & would i know in time if the front of the boat will run aground ? ALSO is it true there is a Transducer that is glued on the inside of the hull, & if so do they work with a boat that has an 18in draw ? Trying to make the correct choice the first time . THANKS much for any input !
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27-09-2014, 02:29
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#2
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Moderator and Certifiable Refitter
Join Date: Jan 2008
Location: South of 43 S, Australia
Boat: C.L.O.D.
Posts: 21,514
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Re: transom mount transducers
Quote:
Originally Posted by sailersteve
Can anyone tell me if a 6.6ft swing keel will interfere with the operation of a Transom Mount Transducer ? Or even if the Transom Mount Ruder will interfere with the Transducer ? Transducer is mainly for a depth finder, & would i know in time if the front of the boat will run aground ? ALSO is it true there is a Transducer that is glued on the inside of the hull, & if so do they work with a boat that has an 18in draw ? Trying to make the correct choice the first time . THANKS much for any input !
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No (well usually no but it just may be possible)
No
Usually but not always
Yes depending on hull material although not technically glued, rather mounted in a box that is filled with oil/water etc. This won't work on a wooden hull or a foam cored hull but is OK with solid GRP.
and finally Yes.
I think the number of answers match the number of questions  but feel free to ask again if I missed any.
What sort of boat are we talking about???
__________________
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity: but the dreamers of the day are dangereous men, for they may act their dreams with open eyes, to make it possible. T.E. Lawrence
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27-09-2014, 09:26
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#3
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Registered User
Join Date: Apr 2007
Location: Marina del Rey, California
Boat: President 43 Sportfish
Posts: 4,105
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Re: transom mount transducers
You can't use a transom mount transducer.
If the hull is cored you can't use a "see-thru" transducer.
__________________
1st rule of yachting: When a collision is unavoidable, aim for something cheap.
"whatever spare parts you bring, you'll never need"--goboatingnow
"Id rather drown than have computers take over my life."--d design
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27-09-2014, 09:39
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#4
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Writing Full-Time Since 2014
Join Date: Nov 2008
Location: Deale, MD
Boat: PDQ Altair, 32/34
Posts: 10,278
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Re: transom mount transducers
I had a transom mount transducer on my last boat, and...
below 5 knots, no problems.
5-7 knots hit or miss.
over 7 knots, blank screen.
So it worked scouting tight spots, but not so well underway. Seastate also mattered; swells, fine, steep chop, not so much.
Eventually it failed and was never temped to replace it. If you really want a sounder, drill a hole.
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28-09-2014, 12:17
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#5
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Registered User
Join Date: Apr 2014
Location: Placida FL on the hard for now real nice place cheep rent .
Boat: 78 Laguna ,Windrose 24'
Posts: 119
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Re: transom mount transducers
Dose anyone know if an Uniden QT-206 depth finders are any good? I can get one very reasonable used, with a thru-hull transducer . I will get a good sounder some day ,but i kind of would like , radar , auto pilot , AIS ,etc, too all go together . As far as Nav ,i've got an APP for that. A very good Marine Radio needs to come first . THANKS everyone for your comments . ( still trying to be sailersteve ) before winter hits i hope .
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28-09-2014, 15:53
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#6
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Moderator and Certifiable Refitter
Join Date: Jan 2008
Location: South of 43 S, Australia
Boat: C.L.O.D.
Posts: 21,514
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Re: transom mount transducers
Sailersteve - GRP is Glass Reinforced Plastic also known as Fibreglass (and Fiberglass).
Can't help you with the Uniden question but I guess it is an entry level depth sounder and as such, would be a good starting point as in my opinion, at your apparent stage of boating, this is all you need after that good marine radio.
__________________
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity: but the dreamers of the day are dangereous men, for they may act their dreams with open eyes, to make it possible. T.E. Lawrence
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