Throwing Machine
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Preliminary estimate for PETG
€0.69 – €0.84 net (excluding VAT)
For file: arm_v3_0.25mm_PETG_MINI_44m.gcode
This is an estimate for one file. You’ll confirm the exact price before ordering.
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File used for this estimate
Average indicative estimate: €0.76 excluding VAT (range midpoint).
- Weight reported by the author
- 11 g
- Print time reported by the author
- 43.8 min
- Source material
- PET
- Estimate material
- PETG
- Estimate printer
- Bambu Lab P1S - 0.4 nozzle
- Estimate process
- 0.20mm Standard
Indicative estimate for the selected file only, based on the author’s weight and print time. File variants are not added together. The final price is calculated after file analysis.
Saved on this device.
A throwing machine for demonstrating horizontal throwing, free fall, and the superposition of motions
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Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution
With the apparatus it is possible to make very well audible that a horizontally thrown ball and a free falling ball hit the ground at the same time.
The device is also very suitable for measuring the fall time with PhyPhox and the acoustic stopwatch.
https://phyphox.org/de/experiment/akustische-stoppuhr/
Position the aparatus at the corner of a table, tension the arm, position the balls, press the release-button.
One ball falls straight down, the other flies straight ahead.
You can print both parts in PLA, but PETG is better for the arm.
Print the arm with 5 perimeters, so that the spring is stable.
See it in action:
In the following graphic you can sea measurements of the falling ball made with the acoustic stopwatch:
