Ballistic demonstration
di Klingman
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Descrizione
This is a Physics Demonstration for Ballistic motion.
It is meant as a teaching tool only.
Please use caution
Do not aim the Device at people animals or windows .
Preparation and equipment:
- A 3d printer and PLA filament
- A Contraction Spring from a Broken umbrella with a spring 2cm Diameter 6cm long (it’s about 50N/m) usually a part of a long grownup umbrella.
- M4 bolt 4 cm long and a nut.
- An IKEA L wrench.
- 2X M5 bolts (IKEA) 2 cm long.
- A 20mm ball.
- A fill and screwdriver.