BR2 · Brake
Takes the speed out of the marble.
A felt-lined shaft of two grid steps. The marble brushes the felt on both sides and leaves slower.
- Footprint
- 2 steps, 100 mm
- Drop
- 5 mm, 5 %
- Moving parts
- none
- PLA, no supports
- Bought parts
- felt strip
- In the film
- 1:50
Round One uses two brakes: after the lift and before the impact row. The slope of 5 % was chosen so that two brakes are enough; a third one would allow 6 %.
Other features
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