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  Help with Hummingbird transducer on 130

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Author Topic:   Help with Hummingbird transducer on 130
HarryWhite posted 07-12-2003 09:28 AM ET (US)   Profile for HarryWhite   Send Email to HarryWhite  
Friends,
I've been trying to install a Hummingbird 3D Panorama transducer on the transom of my 2001 Sport 130 and have had no luck. I mounted it per the manual and it's about 12" to starboard of the prop. I get a roostertail no matter what... and have tried to tilt the transducer up a bit but then the signal is lost.

I'm ready to return the unit... but am looking for suggestions for this unit or recommendations for another brand that has a smaller and 'tried and true' transducer for the 130 Sport.

Thanks,
Harry
NW CT

JohnJ80 posted 07-12-2003 06:41 PM ET (US)     Profile for JohnJ80  Send Email to JohnJ80     
i get the same thing with mine. however, if you look at the mounting instructions, they recommend that it be slightly below the bottom of teh boat. i think that the whaler sits pretty deep at the stern so I am thinking of moving it up a bit. as long as the transducer is in the water, it should be fine i would think.

i also think that with any transducer you will get some disturbance of the water, just because you are sticking something into the water and its moving. That makes the question one of minimizing.

j

Backlash posted 07-12-2003 07:17 PM ET (US)     Profile for Backlash  Send Email to Backlash     
Harry,

I don't think getting a different unit/transducer is going to solve your problem. It has been my experience that transom mounted transducers require a great deal of "tuning" to get acceptable performance.

If you are getting an actual roostertail, I think the transducer is mounted too low and should be raised vertically, not tilted up. The bottom of the transducer should be parallel to the boat bottom and just slightly below it. It should produce a spray, but not a roostertail.

Good luck,
Steve

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