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I just got a 997 si , when I go over about 10 mph I loose depth. Im shooting a 30 foot roostertail from my transducer when im up to speed say 30+ mph in my 1850 Crestliner Sportfish. I may need some help in the location. I went by the instructions , but hopefully someone can help. Its rough running across the water not knowing how deep your running in. My HB 161 never looses the bottom. Any help would be great.
xhogger try this site vary help full for Si uesrs.
www.xumba.scholleco.com
If you will take a picture of the transom of your boat and email it to me, we will take a look at it. One thing to think about is moving the side imaging transducer up and then epoxy an inhull transducer for high speed reading using a Y cable to tie the two transducers together.
Here's a picture of the transducer.[IMG]http://i248.photobucket.com/albums/g...fishing008.jpg[/IMG]
Side view[IMG]http://i248.photobucket.com/albums/g...fishing007.jpg[/IMG]
xhogger,
I have put an X on where I think the transducer need to be mounted. First of all I would invest in a transom savor. By using the transom savor you can move the transducer around with drill holes in your boat. I think it is also too high and you may get blockage on the left side due to where the transducer is mounted now.
Looks like to me you should raise it up a bit.
Looks to be at least a half to three quarters of an inch to far below the hull
seems ta be werk'n fine... the speed seems ta flash more so than I figger'd it wood but I got used ta it....
http://i160.photobucket.com/albums/t...ic042809_5.jpg
http://i160.photobucket.com/albums/t...e/100_3916.jpg
JAKE
xhoger, you are having the same problem that i have had since my 997 was installed. I have moved the transducer to three different locations with no better results. The problem seems to be that the ducer is not deep enough in the water when I plane out. I have the unit mounted as far down as it can go, but it still is only 1.5" in the water.
My transducer is exactly where the manual says to put it. I know thats probably only a starting point .I found that the side screws were loose that the allen wrench adjusts.. I tighten them up and now it works fine. I have had it upto 38 mph with no rooster tail or the lose of depth on my fishfinder like it did before. It has worked loose a few times , I may have to look at putting some loctite on the screws.