Monday, February 16, 2009

Goal

Goal: To build a cannon that will fire a nerf ball using 18" of tape, 2 mL of 99% ethanol, scissors, and two tennis ball cans with their lids.

Hypothesis: By coating the interior of a tennis ball can with 99% ethanol and placing a semi-permeable surface between the projectile and the chamber and igniting the ethanol will produce an exothermal reaction, shooting the projectile out of th cannon.

Supplies:


Preliminary ideas:



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1 comment:

  1. Coronado, ChrisMarch 30, 2009 at 4:20 PM

    Woo its me!
    Its such a shame that not one rocket worked that day. Do you know when were going to re-shoot them?

    ReplyDelete

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