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07-21-2018, 12:18 PM
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#1
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Senior Member
City: Chesapeake Bay
Vessel Name: Patty Ann
Vessel Model: Mainship 34 MK1 1980
Join Date: Jan 2014
Posts: 410
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shoot thru P 79 transducer installation
I sent our DFF1 Furuno sounding unit to Furuno for repair and now have no depth sounder. I want to add a back up depth sounder that I have (older Furuno 1650) using a shoot thru hull transducer . I'm looing for advice / experience about installing this type of transducer. David
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07-21-2018, 01:34 PM
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#2
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TF Site Team
City: Seneca Lake NY
Vessel Name: Bacchus
Vessel Model: MS 34 HT Trawler
Join Date: Nov 2014
Posts: 7,828
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My old P79 worked fine.
The mtg ring has provision for adjusting for deadrise to shoot vertical. Best to test location using a temp set up before adhering the permanent ring.
I believe a plastic bag w water or glycerin to house the xducer will give you a reading for test purposes.
If I'm not mistaken the installation instruction cover temp test set up.
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Don
2008 MS 34 HT Trawler
"Bacchus"
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07-21-2018, 01:53 PM
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#3
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Guru
City: Kilmarnock VA
Vessel Name: Wandering Star
Vessel Model: PSN40
Join Date: Apr 2016
Posts: 1,395
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It'll work fine on your boat. We have a glued-in transducer for a back-up depth at the lower helm & it performs flawlessly so a P79 would work even better.
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-Shawn-
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07-21-2018, 02:13 PM
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#4
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Senior Member
City: Chesapeake Bay
Vessel Name: Patty Ann
Vessel Model: Mainship 34 MK1 1980
Join Date: Jan 2014
Posts: 410
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Shawn that's good news. Where on the hull did you place the transducer? Thanks David
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07-21-2018, 02:38 PM
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#5
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,966
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P79 is a good option provided that you have a display that will accept NMEA 0183 or NMEA 2000 depth input. its a digital output unlike a fishfinder. You have to choose 0183 or 2K when you purchase. You also have to have a solid fiberglass section of hull under the TD. No coring materials.
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Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May, NJ
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07-21-2018, 04:25 PM
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#6
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Guru
City: Kilmarnock VA
Vessel Name: Wandering Star
Vessel Model: PSN40
Join Date: Apr 2016
Posts: 1,395
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Quote:
Originally Posted by High Wire
P79 is a good option provided that you have a display that will accept NMEA 0183 or NMEA 2000 depth input. its a digital output unlike a fishfinder. You have to choose 0183 or 2K when you purchase. You also have to have a solid fiberglass section of hull under the TD. No coring materials.
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Yes P79's come in a smart transducer configuration transmitting depth data nmea 2000 or nmea 0183 but they are most commonly used as a shoot-thru conventional transducer. They work fine with a video sounder too.
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-Shawn-
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07-21-2018, 04:32 PM
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#7
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Guru
City: Kilmarnock VA
Vessel Name: Wandering Star
Vessel Model: PSN40
Join Date: Apr 2016
Posts: 1,395
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David, our transducer location for the shoot-thru is outboard of the port side engine stringer, just ahead of the engine raw water pickup. It would probably work fine most anywhere in the engine room since Mainship had a fairly good fiberglass layup throughout. Just be sure you don't place it in turbulent water behind a thru hull fitting.
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-Shawn-
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07-21-2018, 05:15 PM
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#8
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Senior Member
City: Chesapeake Bay
Vessel Name: Patty Ann
Vessel Model: Mainship 34 MK1 1980
Join Date: Jan 2014
Posts: 410
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Thanks Shawn, I chose that area as well due to the smoothest surface, nothing to cause disturbance and easiest cable routing.
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07-21-2018, 05:27 PM
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#9
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Guru
City: North Carolina for now
Join Date: Aug 2011
Posts: 6,348
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Just make sure you follow the installation instructions meticulously, and don't expect much fish finding functionality, depth readings are very good. We had one on a Furuno system (Networked VX2 blackboxes with FF module) as well. Furuno is very helpful if you need any help.
__________________
George
"There's the Right Way, the Wrong Way, and what some guy says he's gotten away with"
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07-22-2018, 12:21 PM
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#10
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Guru
City: Bellingham WA
Vessel Name: Hatt Trick
Vessel Model: 45' Hatteras Convertible
Join Date: Nov 2016
Posts: 1,973
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Quote:
Originally Posted by David Kimmel
I sent our DFF1 Furuno sounding unit to Furuno for repair and now have no depth sounder. I want to add a back up depth sounder that I have (older Furuno 1650) using a shoot thru hull transducer . I'm looing for advice / experience about installing this type of transducer. David
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I have a related question to the OP's. I also have Furuno Navnet vx2 with a network sounder, 0183. For backup I'd like to install a stand alone, non-networked digital sounder with its own shoot-through transducer. Any favorite products, Furuno or otherwise I should look into?
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07-22-2018, 12:31 PM
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#11
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Guru
City: North Carolina for now
Join Date: Aug 2011
Posts: 6,348
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Quote:
Originally Posted by Ken E.
I have a related question to the OP's. I also have Furuno Navnet vx2 with a network sounder, 0183. For backup I'd like to install a stand alone, non-networked digital sounder with its own shoot-through transducer. Any favorite products, Furuno or otherwise I should look into?
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Are you looking merely for depth numbers? If so there is a recent thread here on various options. You need a solid uncored bottom for shoot-throughs.
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07-22-2018, 12:52 PM
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#12
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Guru
City: Bellingham WA
Vessel Name: Hatt Trick
Vessel Model: 45' Hatteras Convertible
Join Date: Nov 2016
Posts: 1,973
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I'm just looking for depth numbers. The hull isn't cored.
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07-22-2018, 01:45 PM
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#13
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Guru
City: North Carolina for now
Join Date: Aug 2011
Posts: 6,348
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Well for dead simple and cheap it's hard to beat this. I have used its predecessor in our dinghy for 10 years.
https://www.hodgesmarine.com/Hawkeye...hawdt1b-tm.htm
__________________
George
"There's the Right Way, the Wrong Way, and what some guy says he's gotten away with"
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