Wednesday, August 17, 2011

DIY Kayak Fish Finder Install - 2012 Wilderness Systems Ride 135

Last week I published details on how I built a pivoting transducer arm that makes use of the existing rudder screw holes in the rear of the 2012 Ride 135.  Since then, I have received quite a few requests for a write-up on how I completed the entire fish finder install.   These instructions are pretty universal so no matter what you are paddling, the fundamentals are pretty much the same.


I chose a basic waterproof fish finder – Humminbird’s Piranhamax 170 – that can be purchased for around $100.  What I like about the Piranhamax 170 is that it is simple, accurate, boasts a digital temperature gauge and has a vibrant LED backlight for low light/no light conditions.  It utilizes dual beam sonar (60°& 20°) which produces great results in both the shallow and deep water that I regularly fish.  My only gripe is that I wish the unit had a digital voltage display like my old Eagle Cuda. 




Since I already had a few extra Scotty 241 bases left over, I decided to save some money and build a mounting post with some items I had laying around in the garage.  The main components total around $3-$4 and include:

1 - 4.00" Round Plastic Electrical Box Cover – Lowes Item # 81585 (LINK)

1  - 1½” long, ¼’ diameter bolts (or something similar) 

1 – Stop Nut to fit bolt

1 – ½” Schedule 40 PVC Coupling – Lowes Item # 23849 (LINK

1 – ½” Schedule 40 PVC Pressure Plug - Lowes Item # 22679 (LINK)

1 length of schedule 40 PVC cut to 2-3/8” 

Fish Finder Mounting Base 






Drill a hole in the center of the round electrical box cover and one through the center of the PVC pressure plug.  Slide the bolt and nut into place as pictured and tighten up the whole assemble.  Using PVC glue, attach the PVC coupling to the end of the PVC pressure plug.  Take the 2-3/8” section of PVC and glue it inside the coupling.  The exposed length of ½” PVC pipe is what will hold the unit firmly inside the standard Scotty mount.  I drilled an additional hole at the bottom of the PVC so that when the unit is inside the Scotty mount, I can slide a bolt or pin through it for added security.



(***To dress it up a little, I sprayed it with a can of “Truck Bed Liner” left over from another project.  If you go this route, be sure to mask off the bottom section of exposed PVC so that it will still be able to fit inside the Scotty Mount.)



I used the stainless steel screws that came with the fish finder to mount it to the plate.  Once in position, I smoothed off the points of screws so that they were flush with the round plate using a Dremel tool.


Installing the Unit 

I used the Dremel tool to bore out the underside of the Scotty mount to make more space for the transducer and power cords (see picture).  Once this was completed, I placed the Scotty mount in position on the deck and drilled out 4 holes for the mounting screws.  Next, I selected a drill bit that would create a hole large enough in the center area of the 4 mounting screw holes to allow the wires and plugs to pass through the kayak deck.




Using a rubber stopper - 3/4 x 9/16 x 1 Lowes Item # 139548 (LINK) – I drilled, shaped and cut the rubber as pictured.  Again, there are commercially available marine accessories that accomplish the same thing, but I had an extra rubber stopper from the transducer arm install so I decided to put it to use.






Leave 12” of slack in both wires from the rubber stopper to the end of the wire plugs.  Remove the rubber stopper while holding the wires in position to maintain the 12” of slack.  Generously coat the entire rubber stopper and both wires with Marine Goop.  Push everything back into position and add a small amount of goop to the 4 mounting holes as pictured.   Carefully mount the Scotty mount to the deck ensuring that there is enough space for the wires to pass through without any pinching.








Click for Transducer Arm DIY instructions

Click for Transducer Arm DIY instructions


The next blog post will feature a DIY removable battery box setup that I use to power this unit.  Have fun out there! - Paul

24 comments:

  1. Excellent! Thank you for sharing.

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  2. Looks like such a wonderful and fun day! your blog is great!

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  3. Have you done a DYI on the battery box ? What kind of battery do you use?

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  4. thanks, this is a really good setup guide, when i first saw the hole under the scotty mount i got nervous for your kayak! but you really optimised the setup, i like it.

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  5. amazing product for fishing. Thanks for sharing with us.

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  9. This is cool, I've never tried installing fish finder in a kayak. :) Is it helpful? How was your experience?

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  16. A fishfinder or sounder (Australia) is an instrument used to locate fish underwater by detecting reflected pulses of sound energy, as in sonar.That is really a great job to have fun with big and small fishes that is really enjoyable moment while you do catch fishes. Fly Fishing is an ancient art. Its roots go back to ancient kings in far away lands. Today it is common to see this style of angling in many areas of the world, and it is one of the world's fastest work.

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  17. Informative post . You shared details about DIY Kayak Fish Finder Install . Your snap shot is more better.

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  18. Great step by step. Pictures are so helpful.

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  19. Wow. I thought your last post was detailed. This is high quality work, with great pictures. Do you have a youtube channel? One of the best blogs out there for sure!

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  21. Amazing blog post.. Thanks...

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    Regards,
    Brad

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