Fit the pieces of cut balsa together with wood glue. Attach a length of fishing line to the center of the piston with quick-drying glue.
CAUTION: The diameter of the can which I used is about 50mm. The height of the can is about 100mm. If you use an other-sized can the diameter and the height of the wood piston must be fitted to the can. Clearance should be 2 or 3mm.
Make a Wood Piston
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