507 Mechanical Movements No. 13
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- Опубліковано 7 вер 2024
- I built a working model of the 507 Mechanical Movements, number 13 in the book. #Mechanical #DIY
It's description reads:
13. In this the lower pulley is movable. One end of the rope being fixed, the other must move twice as fast as the weight, and a corresponding gain of power is consequently effected.