Thread: SI Question

I am about to buy a new Lowrance, possibly with SI. However, I noticed that the transducer is 10" long. How do you not end up with a blocked signal on one side of the boat because of the motor's lower unit? Must you raise the motor every time you use SI, or is it not a problem?
Thanks

They can be in the way somewhat depending on your boat setup. I have to raise my motor up to get a great view as opposed to a decent view because of this. Mine is mounted on the right side of the boat. The motor is still far enough in the water that I can safely idle around while scanning. I think some of the newer model transducers may scan more of that horizontal angle but the older ones are angled slightly down so the motor isn't usually that big of an issue. You may want to research your particular transducer that you're thinking about purchasing.

My buddy's boat has enough room that he was able to mount his in the step in front of the prop so it's not an issue at all for his boat setup.

It is common to need to lift the motor when scanning to eliminate blockage from the lower unit ...

Rickie

I can still see but I see interference from the prob wash I believe. It goes away when I tilt it upwards.


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The Humming Bird High Definition transducer is half that length and I have no problem on my tin Boat