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Depth sounder for step hulls

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Old 08-21-2007, 04:51 PM
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Default Depth sounder for step hulls

I'm looking to install a new sounder, because I've not been able to find the "sweet spot" for a good shoot thru location for the transducer. The one I purchased from West Marine seems to be a decent product, it's a "Hawkeye". I get depth readings when off plane, but as soon as I start to get on plane, depth goes away. I know it has to do with the steps, & I've got it mounted about 6" from the transom, & up from the keel. I've moved it 3 times, & the readings are the same. Perhaps I need to go to a different brand, or am I just going to have to bite the bullet & go to a transom mount. I am really trying to avoid that, but I may not have a choice. Anyone have the same trouble with the ZX, or any other stepped hull? I have considered mounting it in the forward bilge area, in front of the steps, but just not sure what, if any reading when on plane....Any tips will be greatly appreciated....
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Old 08-21-2007, 04:54 PM
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I have a step bottom and put a transducer that shoots thru the fiberglass. I put the transducer half way up from the transom and glued it to the fiberglass. No drilling or modification needed. It works great and is out of the way.
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Old 08-21-2007, 05:02 PM
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Originally Posted by VegasHallett View Post
I have a step bottom and put a transducer that shoots thru the fiberglass. I put the transducer half way up from the transom and glued it to the fiberglass. No drilling or modification needed. It works great and is out of the way.
Unfortunately, I tried that first, & I get the same reading. The one I have now is epoxied to the floor, I've also tried silicone, & no difference.....Thanks for the input
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Old 08-21-2007, 07:01 PM
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What kind are you using I`ll be looking for one soon.

thanks
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Old 08-21-2007, 10:16 PM
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You have to install the transducer in front of the first step.
The air bubbles created by the steps stop the unit from working.
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Old 08-21-2007, 10:22 PM
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I looked this evening, it will be rather easy to move it up to the front bilge compartment. I'll move it & let ya know how it reads when on plane.
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Old 08-21-2007, 11:02 PM
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Also if your hull is cored ( bulsa or other ) the builder usually will have a spot with solid hull to mount the transducer.
You can't shoot through a cored hull.
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Old 08-21-2007, 11:15 PM
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Quote:
Originally Posted by Tinkerer View Post
Also if your hull is cored ( bulsa or other ) the builder usually will have a spot with solid hull to mount the transducer.
You can't shoot through a cored hull.
BINGO,
That's the correct answer!
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Old 08-21-2007, 11:17 PM
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In my opinion, all a depth finder does, is confirm the fact when you are hard aground.
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Old 08-21-2007, 11:21 PM
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Quote:
Originally Posted by Dean Ferry View Post
BINGO,
That's the correct answer!
Dean
True but he does get a reading, just not while on plane. I don't believe this is his problem. I say go in front of the step as you plan.
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