Marble loop roller coaster launcher!

  • Thread starter GNAR
  • Start date
  • #1
1
0
Help me here.

I need to figure out how to launch a marble so it navigates a vertical loop, then follows projectile motion at the end of the loop

The design must use elastic potential energy to do this and must consistantly launch it consistantly to a specifyied location.

I can't figure out how to launch the marble..

Any ideas other than a compression spring??
 

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Answers and Replies

  • #2
391
1
Seems like you have a choice between spring and elastic band.
 

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