SpudFiles

Like the name says I want to make a cannon that will shoot cans of soda, i can't find any details on what the diameter of a soda can is, does anyone know what size of pipe fits soda cans well?

Well you should get a ruler or tape measure and measure it.
um...... a coke can I just measured with a ruler is bang on 6cm.
I think if you're an American that's about 2.36 inches.

BTW, if you want a pipe for a barrel that fit's a can well then just go to your hardware store with a can and see what pipe fits it exactly or very close too, or you can just take the measurements.

good luck! Hope to see this cannon in the future.

Happy SPuddin'

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try a tennis ball barrel it sould fit.

There's a wiki article on the topic, ya know...