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Interpahse twinscope scanning sonar

Old 01-24-2007, 03:04 PM
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Default Interpahse twinscope scanning sonar

Would greatly appreciate any help or adivce regarding the scanning sonar from twinscope (iscan v90 or iscan 180)

Is this unit any good for locating wrecks and bottom structure up to 100 feet of water?
How well does it work as a regular bottom machine. The display they show in their add doesnt seem to have great detail.

I realize this unit is probably very good for navigating a channel etc....but is it any good for fishing especially for locating bottom structure.

thanks so much for any help.
Old 01-24-2007, 03:46 PM
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Default Re: Interpahse twinscope scanning sonar

I can't speak for the twinscope but about 10 years ago I had 2 interphase products and they sucked. And thier customer service sucked ever worse. Don't know what they are like now though.
Old 01-24-2007, 10:30 PM
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Default Re: Interpahse twinscope scanning sonar

I fished a Twinscope for salmon in the Great lakes for 7 years. It took some getting used to. I initially had a hard time figuring out the range and depth the fish were at when looking forward and to the sides. When I got it figured out it was unbelievable. I was able steer the boat in the direction of the fish and lower or raise my downriggers accordingly. It stayed on the boat when I sold it.

It's also very handy in channels and unfamiliar waters. It does a good job defining bottom structure. This is a high quality sounder. The only possible down side is the thru hull transducer was really big. Interphase was very good to work with. I had a lot of questions and they were very helpful.

Good Luck
Old 01-25-2007, 02:28 PM
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Default Re: Interpahse twinscope scanning sonar

Has anyone got any photos or dimensions of the transducer?
Old 01-25-2007, 08:20 PM
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Default Re: Interpahse twinscope scanning sonar

The guy that bought my old boat is at the same Marina on the hard. If I get there this weekend I'll try and take a photo of the transducer. I'll try to describe it from memory. It looks like a football cut in half length wise. I'm guessing it's about 10" long by 5" wide. Depth from bottom of the hull is about 3". I had to make my own fairing block. This was about 11 years ago so the may they have changed it by now. It still works great.
Old 01-25-2007, 09:57 PM
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Default Re: Interpahse twinscope scanning sonar

I used the color twinscope for a full season then sold it. It does take getting use to. It looks like a radar plot and when conditions are right, it is a great unit. I had the transom mounted ducers (2) , they were about the size of baseballs. I sold the unit because it was too inconsistant offshore and the radar caused so much noise on the display, you could only use one or the other. This was a shielding prolem that interphase knew about, attempted to fix two times but they never resolved the issue. Another down side was that the display was not as good as the pictures. The images are too pixeled, or blockey.
I think the technology is getting there, but it needs a few years to mature.
Ken
Old 01-26-2007, 10:41 AM
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Default RE: Interpahse twinscope scanning sonar

thank you all for your input. I greatly appreciate it. From the sounds of it I think I should hold off.

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