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Old 16 August 2012, 03:37   #11
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Country: UK - England
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Originally Posted by jyasaki View Post
Looks like one of the PiranhaMax series, which are all waterproof (well, "Humminbird-waterproof", anyway.)

The transducer can be affected by pressure and/or noise from the prop; I didn't have much trouble with a portable Humminbird unit in that respect (suction cup mounted transducer and an Achilles 14/Honda 40.) The power cable was another story.

jky
Yes you are right it's a Hummingbird, only problem i have had with mine is salt water got into the power outer pin plug and it snapped off,so have to wedge it in,always WD40 it after each trip sure most folk do that and i also have the cable streched out,curled up i don 't beleive the signal is as good when curl up,once speed is slowed down then generaly you get the acurate depth,mine is also suction cup,and i take it off and clip it on my bigger sib,all good tho,Happy sibbing you guy's i have not been out in months and now trouble at home,doh.
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Old 16 August 2012, 07:10   #12
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I didn't know I was supposed to spray WD40! Should I spray that on the bare terminals after every use? What about the electrical connectors for the trailer? Suppose some plugs have already started to corrode?
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Old 16 August 2012, 10:59   #13
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Originally Posted by thornbackflound View Post
i also have the cable streched out,curled up i don 't beleive the signal is as good when curl up,once speed is slowed down then generaly you get the acurate depth
Where did you learn this? I ask because I keep mine coiled on a Garmin, and once in a while loose my depth reading at speed, but there is no way I could possibly get it stretched out without running it in circles around the boat.
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Old 16 August 2012, 11:43   #14
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I didn't know I was supposed to spray WD40! Should I spray that on the bare terminals after every use? What about the electrical connectors for the trailer? Suppose some plugs have already started to corrode?
Problem with WD40 is it's petroleum based and can degrade a lot of rubber and plastic materials. Better off getting silicone grease or a spray can of silicone and using that.

Re: transducer cable: I've heard you can have problems if you run the ducer cable next to other high noise cabling (VHF on transmit, some engine cabling); never heard of the signal itself inducing noise problems. I think I have at least a section of mine coiled up in the console. Water aeration and the like causes a lot more loss of lock than noise, at least in my case.

jky
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Old 16 August 2012, 12:17   #15
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Quote:
Originally Posted by jyasaki View Post
Problem with WD40 is it's petroleum based and can degrade a lot of rubber and plastic materials. Better off getting silicone grease or a spray can of silicone and using that.

Re: transducer cable: I've heard you can have problems if you run the ducer cable next to other high noise cabling (VHF on transmit, some engine cabling); never heard of the signal itself inducing noise problems. I think I have at least a section of mine coiled up in the console. Water aeration and the like causes a lot more loss of lock than noise, at least in my case.

jky
never heard of the signal itself inducing noise problems
lol,no not saying that, the prop vibration interupts the signal from the transducer to the fishfinder unit so you get a wrong reading ,when not going as fast the reading is more accurate.
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Old 16 August 2012, 12:21   #16
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Where did you learn this? I ask because I keep mine coiled on a Garmin, and once in a while loose my depth reading at speed, but there is no way I could possibly get it stretched out without running it in circles around the boat.
my cable is streched out around my sib ,both when i use it,a coiled up cable induces a slower signal to the unit.tucked up somewhere it's fine. could be wrong on all of this but i know plenty of mates with boats and a coiled up cable is a no no,it will work coiled up, but is it at its best?
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