Spring Projectile Launcher Help

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SUMMARY

The discussion centers on constructing a spring-based projectile launcher capable of launching a small bouncy ball between 1-4 meters. The device requires a mechanism to stretch a pre-compressed spring, similar to a slingshot design, which utilizes two springs that are initially compressed and then stretched before release. Participants are encouraged to share innovative ideas for achieving this stretching mechanism while considering the specifications of the spring being used.

PREREQUISITES
  • Understanding of spring mechanics and potential energy
  • Familiarity with basic engineering design principles
  • Knowledge of materials suitable for constructing a launcher
  • Experience with prototyping tools and techniques
NEXT STEPS
  • Research slingshot designs and their mechanics
  • Explore different types of springs and their properties
  • Investigate materials for building a durable launcher frame
  • Learn about safety measures when launching projectiles
USEFUL FOR

This discussion is beneficial for hobbyists, engineers, and educators interested in mechanical design, physics demonstrations, and DIY project construction.

canada123
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I need to build a device that launches a small bouncy ball anywhere from 1-4m using a spring. The spring is initially compressed as much as it can be, so this device would need to work by stretching the spring somehow. I have tried to think of a few ways to do this, but have not come up with any good ideas. Do you guys have any idea how to build one? Thanks in advance for any help.
 
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Hint - look at a slingshot: two springs, initially compressed, get stretched and released.
What are your constraints - have you been given the spring or do you get to pick one?
 

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