Quote Originally Posted by EarlWaynetom View Post
Hey fellas ! Great info. I've ordered the 10 helix si after s
eeing mrdux pics made me a believer. But do you have to get another transducer for high speed running ?
The HDSI xducer can get high speed depth readings ...but it is a challenge to get the xducer mounted low enough to get clean bubble free water flowing across the face of the xducer ...

Some opt for the added 2d xducer (and the AS SIDB Y cable) because it's easier to mount in a spot to get high speed depth readings ...

This can be a shoot thru XP 9 20 epoxied in the hull of a fiberglass boat ...
Or the XNT 9 20 transom mount 2d xducer ...

Rickie