We began design of the potato cannon. There was a fierce debate of what to use for a propellent.  We considered propane, butane, alcohol, hairspray, and others. 

We discussed lining the inside of the cannon with copper, however we could not figure out a feasible way to do this.  We debated the position of the trigger.  Originally, a separate handle with trigger would be mounted just in front of the conbustion chamber, but under the barrel.  We scrapped this idea, when we realized that this would entail a possible safety risk.  We concluded that the best propellent will likely be butane.  Hopefully this will give the explosive force necessary to project a projectile across a field.

Seoci and saphire, will be going out on Saturday to pick up supplies.  So that next week we can put this puppy together.

Tags: potato cannon, science

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