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Chomp Churn

Offshore season is upon us and the bite is heating up.  I went roving the internet for ideas to improve fishing a productive bottom spot, as well as trolling. Remembering a picture I had seen on chum churns I had seen on boats and the stories of success associated with their use, I decided that I wanted to try one.  These things can be very valuable for creating a good chum slick as well as bringing bottom fish to the surface. The noise created makes the fish curious and the chumline keeps them hanging around. When looking for a good solution on the internet I ran into 2 problems:

  1. The only model that I found was large and bulky designed for transom and gunnel mounting to a boat. It used 4” PVC and was some 3’+ long.
  2. The guys that used to make them quit making them. The only way to get my hands on one was to stumble across one used.

I’m not one to give up that easily, so I found some primitive instructions on making your own and it inspired me to create a kayak sized version.  This is still a prototype but I am happy with the result so far.  In this mod segment I will share with you how to make your own “Chomp Churn”.

Total Cost: $45

Time to construct: 2 hours

Difficulty Level: Novice – Intermediate

Tools Needed: Jigsaw or hacksaw, Dremel, PVC cement and primer, Drill

Parts needed:

3” PVC Wye

2 x 3” PVC Cleanout Plugs

3” PVC (12” long piece and 2” long piece)

1 ¼” PVC (Length varies depending on application)

3” to 1 ½” Adapter

3” Male Cleanout Port Adapter

3” Female Cleanout Port Adapter

1 ¼” Elbow

1 ¼” Tee

1 ¼” Coupler

5/16” Diameter 2 ¾” Round Wire Lock Pin

2 Eyebolts

Small length of small rope or bungee


Step 1: Using a spade bit size of your choice, drill a hole pattern for the release pipe (12” long 3” PVC). I used ¾” and ½” pattern.

Step 2: Using a dremel, notch the end of a 3 ½” piece of 1 ¼” PVC with teeth.  This will be the business end of the grinder.

Step 3: Prime and cement all 3” PVC pieces. Prime and cement  the grinder teeth head, coupler, and grinder shaft. Also prime and cement the elbow, handle, tee, and rod receiver. DO NOT cement the elbow to the grinder shaft yet. See image below.


Step 4: Insert the grinder shaft up through the bottom of the churn.  The top of the grinder shaft will come up through the 3” to 1 ¼” adapter at the top. Now cement the elbow to the shaft.


Step 5: Drill a 3/8” hole at the top of the 3” to 1 ¼” adapter collar all the way through the adapter collar and the grind shaft while the grinder is all the way down in the churn. This hole is for the lock pin to hold the tube in chum position.

Step 6: Drill holes in the cleanout caps and on the side of the bottom and intake ports and insert rope or bungee and knot to secure for cleanout plug retention.

Step 7: Find a convenient place to mount Eye Screws to the unit that does not interfere with the movement of the grind shaft.  Use leashes with carabiners or hooks to secure the chomp churn in place as well as loss prevention.


Enjoy your Chomp Churn! The design allows for you to use the Chomp Churn in a flush mount rod holder and still have use of the rod holder! You can also mount it many other places.  Insert soft cut or refrozen chum bait into the top port. Use the weight of the churn to mash the chum. The sound gets fish to come up, the chum keeps them up top. Here is a video of a boat style churn in action. http://www.youtube.com/watch?v=iKBWy-hcnrI I will post more as I refine the design.

Jay Kania

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  1. By: Rob Appleby

    on: May 2, 2013 . Reply

    That’s an interesting concept, thanks for posting such a detailed article.

  2. By: Jay Kania

    on: May 5, 2013 . Reply

    You’re welcome Rob. I am working on some mods that will make the unit adjustable and able to act as a live bait tube as well.

  3. By: Justin Nordmeyer

    on: September 26, 2013 . Reply

    How did this workout for you this season? I’ve been kicking around the idea for a churn and a live bait tube a little bit.

  4. By: Jay Kania

    on: September 27, 2013 . Reply

    I only got to use it a handful of times, but it worked well. I really need a spring coil that will fit around the pvc to create resistance on the plunger. What are your ideas?

  5. By: Greg

    on: November 22, 2013 . Reply

    This is the kind of thing you should be refining and offering as a Yangler product! I’m sure you could sell a pile of them!!!



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