Another Transducer Question

Old 04-19-2003, 06:19 AM
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Just purchased the Airmon B117 Thr-hull bronze low profile transducer for my Steigercraft. The boat has a 14 degree deadrise. The electronics installer says he will simple put it thru the hull without the use of a fairing block because of the slight deadrise. Is this correct? It seems that even though the angle is slight, not having it shoot at 90 degrees to the bottom would effect accuracy. But what do I know?


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Old 04-19-2003, 07:56 AM
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Get this new tilted transducer or a fairing block.....Airmar Website
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Old 04-19-2003, 12:27 PM
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If you work in water less than 100 feet deep it may not affect you much. BUT.... If it were my boat and I had paid the money for a good sounder with a thru-hull transducer I would get it done right.. Have him put the faring block on.
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Old 04-19-2003, 01:08 PM
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These idiot installers are just popping out of the wood work. Do yourself a favor and go find another installer. When I installed my thru-hull it was alot of work, but worth every bit of sweat and crusing I went through. Don't take the short cut, you will regret it everytime you go out in the boat. It's all the difference in the world between my thru-hull and trsnsom mount.
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Old 04-21-2003, 06:52 PM
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Default Another Transducer Question

You must know that the transducer face should be perpedicular to sea bed to work as designed for best performance. Any deadrise needs to be compensated for either thru a fairing or flush mount, or now with airmars new tilted tranny. Otherwise you will not be happy if your goal are bottom critical, grouper/snapper structure, etc. D2
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Old 04-25-2003, 07:02 AM
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For what it's worth, that xducer wasn't designed to be used with a fairing block, it's a flush mount and it has a short shank. You could use a fairing block, but you might not have enough threads sticking through the hull. It can be used; however, on hulls up to 20 degrees according to airmar's tech sheet. If the new model was available that was mentioned above, that might have been the first choice, but I think you will be ok, in my opinion. By the way, I have the same xducer in stainless steel.


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