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Author Topic: Water jet  (Read 1032 times)
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niko001
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« on: May 30, 2015, 21:04:48 CET »

I bought a new boat and had installed a hummingbird gps/fishfindeer 688CI. On my first sea trial I noticed a water jet stream whenever I am planing the boat. I think the problem is the transducer which is mounted to the left of the motor (see video). Does anyone know how to solve this problem? Is it the transducer?

https://youtu.be/KqGUHcFjaFg

Any help will be appreciated.
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EmicMalta
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« Reply #1 on: May 30, 2015, 21:35:40 CET »

a transam mount nearly always makes some water jet. try to lift it just a little bit. At that speed if your with a 600w transducer, you should be seeing the bottom line, but if you reduce the water jet, it could be hard to get bottom readings. I got same problem, not so much jet, but still there is some, but like this I can read bottom at 30kts+
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niko001
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« Reply #2 on: May 30, 2015, 21:42:27 CET »

I was thinking of placing a stainless steel cover on top of the transducer, though not sure whether it could have an effect on the readings
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EmicMalta
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« Reply #3 on: May 30, 2015, 21:54:36 CET »

i think you could
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