Maximizing Launch Distance for a Penny Shooter

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The discussion focuses on building a penny shooter, with the main challenge being how to effectively accelerate the penny without using a large compressor. Suggestions include utilizing a compressed spring for propulsion, although safety concerns are noted. The idea of using CO2 cartridges as an alternative to achieve greater launch distances is also proposed. Participants express curiosity about the potential launch distance achievable with a spring mechanism. Overall, the conversation emphasizes exploring safe and practical methods for maximizing the launch distance of a penny shooter.
PoofyHair
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Hi,

First of all, I highly doubt this is in the correct forum so move it if necessary. I've been at this forum for a while although I never really bothered to post anything. The other day however, I decided that I wanted to build a penny shooter, or a gun that shoots penny's into maybe watermelons or items of that nature. The problem is that I am having trouble finding ways to accelerate the penny. A compressor would be too big, so my guess is that pressure is out of the deal. Any ideas from you guys?

-PoofyHair
 
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Try using a compressed spring, and see how much effective it is. It can be dangerous, though.
 
Compressor? What about using CO2 cartridges?
 
How far do you think a spring would launch it?
 

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