If you only learn to design with one mechanism, make it an over centre mechanism. In my opinion, this is one of the most versatile and effective mechanical systems you can utilise. In this video, we look at real world examples, and then break down the characteristics across a series of different designed examples. The final example is a CO2 dragster launcher, and stores enough energy to puncture a canister despite only needing the smallest nudge to activate.

All of the printed examples plus the F1 launcher on Printables: https://www.printables.com/model/4519...

Goat graphic: https://openclipart.org/detail/313163...

0:00 Introduction

0:43 Where do we find over centre mechanisms?

1:00 Example 1: Basic

3:07 Example 2: Closing latch

5:38 Example 3: Cam latch

8:22 Example 4: C02 canister firing system
F1 in Schools Australian champions:    • Winning the F1 in Schools Australian ...  
F1 in Schools equipment video:    • F1 in Schools - Equipment Needed to Race  
F1 race control system: https://store.rea.org.au/f1-race-cont...
My launcher assembly video:    • F1 in Schools / CO2 dragster launcher...  

11:25 Key characteristics summary

12:12 Conclusion

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