High Speed fairing blocks for transducer
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Thread: High Speed fairing blocks for transducer

  1. #1
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    Anyone here use a high speed fairing block for their transducer?

    Conceptually, it sounds nice, but I am wondering if it is worth the added expense. I have a 1Kw ducer to install.
    <img src=\"http://momentoffame.com/photopost/data/517/1127Boat_image.JPG\" alt=\" - \" />

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  3. #2
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    Talking

    I put one on but I still only go about 17-18knots They actually reduce some of the interferance but Capt Steve can help you on that

  4. #3
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    Not sure how a high speed fairing block works, but if you really want to ensure you get readings at cruise speed, forget the fairing block and flush mount the transducer into the centerline of the hull. It's a little more work, and if you never worked w/ fiberglass it's probably better you have a professional install it, but for performance, it's the wau to go. You just have to make sure you pick a spot on the centerline of the hull that you can work on from the inside and where nothing else on the outside of the hull will interfere with it.

  5. #4
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    Sounds like you need to make a trip to the bottom Doctor Don't try and do it yourself . If you spent big bucks on a set a few more ain't gonna hurt . The best bottom is Donald at rosemans railway in Cape May . That is who I'll go till the day I'm done.
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  6. #5
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    That high speed fairing block is a necessity. Without it, you will not get the performance of tha transducer. It is designed to make the flow over the transducer smooth and turbulence free. The transducer sits up in the block and its face is even with the bottom of the fairing block. More important than that as far as safety goes, is that the fairing block has a bolt at the front to lock the unit securely. Without that, the transducer could turn at speed and cause all sorts of problems. That is the same transducer that will be on my boat. As far as installing the unit, if you have a band saw, and are at all handy, you can do it yourself. It involves Drilling a hole of about 2" for the transducer stem, and another of about 1/2" for the safety bolt. You measure the deadrise of your boat at the point that you want to install the unit, and cut the fairing block at that angle on the band saw. Use Life Seal to mount following the directions and it should not be a problem. I am not saying that everyone should do it and if you are uncomfortable with the process, have it done by a boatyard. The important thing for best operation and sensitivity is to be sure that the transducer is not behind any thru hulls or ay other structure that can disruptthe smooth flow of water . Go to the Raymarine.com website and you can download the directions for installing the whole thing in PDF format. Hope this helps.

    [ 02-20-2004, 03:26 PM: Message edited by: Capt Steve ]
    Happy to be fishing the South Jersey coast since 1963.
    Downeast boats are the ticket.

  7. #6
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    what type od ducer is it . We recently installed the ducer on my new 32 topaz coming out of the factory. I am putting the ne simrad 15 inch ca54 unit on the boat. The tranducer i picked to used was about 20 inches long and 6 inches wide. I decided that having a mold made for the ducer and then having a fiberglass guy glass the mold in place would work real well after talking to many people about it. So i had it done this week. the boat will not be done and in the water for 2 more weeks, but i will let you know how it works. If you are intrested in this type of install let me know i will be glad to give you teh number for the guy who installed the ducer for me.

  8. #7
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    KZ,

    As CaptG said, a flush installation right into the fiberglass at centerline is a slick way to go. The boat manufacturer charged me $900 to do this when my boat was being built, but it was well worth it in my opinion. After looking at the way it was done, it is actually quite simple, and I could have done it myself. The TD is flush with the bottom, so it can't get knocked off or damaged if you hit something. Sling straps can also go over it without worry. It reads bottom perfectly all the way to top speed (37kts). Just need to keep it in clean water - don't mount it behind intakes, thru hulls or any other protuberances in the hull (screws, etc).

    The Canyon Club (SJ Yacht) has also performed this type of installation.

    Good luck.
    Steve
    SeaSaw Steve<br />Cape May & Mullica Hill, NJ<br /><br /><br />\"It\'s OK to have a tiger by the tail.... as long as you know what to do next!\"

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    I know a lot of you guys are from South Jersey. I boat out of Manasquan Inlet. Does anyone know an installer in the area that could help?

    Consumers Marine is in the area, but the don't service what the did not sell.

    Thanks
    <img src=\"http://momentoffame.com/photopost/data/517/1127Boat_image.JPG\" alt=\" - \" />

  10. #9
    HS
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    Dave,

    Call over to Consumers Marine and ask for Wayne tell him that your calling for me and ask him who in the area can help you out. If you don't have any luck stop by the Reel Seat and talk to Dave or Grant tell them that I sent you over there. Good Luck if you run into any problems let me know.

    Herb
    Sensation

  11. #10
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    Thanks Herb.

    Do I tell them Herb Sensation told me to call?
    <img src=\"http://momentoffame.com/photopost/data/517/1127Boat_image.JPG\" alt=\" - \" />

  12. #11
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    Call this guy. His name is John Nyland and his company is Complete Marine Rigging out of Brick Nj. Tell him Mike Percelli recommended you. His web site is www.completemarinerigging.com or call him at 732-892-8581. This guy is the best I have ever seen. He rigged my regulator and now is in the process of rigging my new 2004 32 topaz that will be finished this week. Trust me give this guy a call you will not be dissapointed.

  13. #12
    HS
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    Dave,

    Just tell Wayne That Herb Smith from Sensation told you to talk to him. Do the same thing at the Reel Seat.

    Herb
    Sensation

    [ 02-20-2004, 09:47 PM: Message edited by: HS ]

  14. #13
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    Using that HS Fairing block you can probably use the same hole that the old Transducer was in. No sweat.By the way, in a boat at the Miami show, they were able to read the bottom at 73 knots with this setup. I guess if you are that fast all you do is turn your hat around, lick your eyebrows, and aim the boat!

    [ 02-21-2004, 07:03 AM: Message edited by: Capt Steve ]
    Happy to be fishing the South Jersey coast since 1963.
    Downeast boats are the ticket.

  15. #14
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    Steve,

    WHen you were down at the boat and looking at the placement of the HS block and 1kw Trans, we weren't sure of the lcation.
    Well I think I am going to put in the same spot the old transducer sat.

    Now how about youInstall it for me??? LOL
    YOu can get practice for your new 34' Rig!!!!!!!

    I'll be down there all day, today.

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  16. #15
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    OK, looking at some other boats that are on block as mine is for the winter, I see that some people have transducers that are round. These guys clearly need a fairing block that improves the flow of water over the ducer.

    I purchased a "high performance" bronze through hull transducer pictured below, not the other stuff in the picture. With this shape, do I still need the molded fairing?

    <img src=\"http://momentoffame.com/photopost/data/517/1127Boat_image.JPG\" alt=\" - \" />

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