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As you can see, this is a bell made from a scrap scuba tank.

Step 1: Materials and Tools

Materials:

  • Scrap scuba tank
  • Boom chain
  • 1/8 inch sheet metal
  • small rope of your choice
  • ~1 1/4 inch washer
  • Clapper material (I used Ipe wood)

Tools:

  • Something to cut metal (I used a plasma cutter)
  • Palm sander
  • Grinder
  • welder (I used a MIG)

Step 2: Remove Valve

The valve on my scuba tank was a huge pain to take off, so i used a table clamp to hold it in place. other than that, this step is pretty self explanatory.

Step 3: Cut Off Bottom of the Tank

You need to cut off about four or five inches from the bottom of the tank (its really up to you) with something meant to cut metal (obviously). I used a Plasma Cutter, although if you don't have anything fancy, a chop saw will suffice.

Step 4: Create Chain Link Hanging Loop and Attach

This is to hang the bell. Cut one Boom chain link in half, then grind the ends of the half at an angle appropriate to the curve of the top of your bell. Once the chain link fits nicely to the top of your bell, weld it together.

Step 5: Construct Your Clapper

What to use for and how big the clapper is depends on how you want your bell to sound. Play around with different materials until you like the sound you hear. After you decide on a material (I used Ipe wood), cut a circular shape out of it and drill a hole in the center (size depending on size of rope you choose).

Step 6: Create Weight

Cut out a 1/8 inch thick piece of sheet metal with dimensions of 8 inches by 4 inches. Cut a hole in the top to attach or weld the other end of the boom chain to it, either works. You can cut a design onto it if you want to, i put a diver on it.

Step 7: Tie Clapper and Weight Together, Then Attach

Take your rope and cut the length to about 8 inches longer than your bell. Loop the rope through the hole on your weight and tie it off. then slide your clapper down the other end and tie it off about 10 inches up from the weight. once that's done, put the rope through the open top and tie a washer to the top. You don't need need to weld/adhere the washer to the top but you can if you want

<p>Very cool, this is a neat idea!</p><p>This would be a great entry in a handful of the current contests: <a href="https://www.instructables.com/contest/" target="_blank">https://www.instructables.com/contest/</a> (Reuse, Metal, and Unusual Uses!)</p>

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