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Fibonacci Wheel with Skate Bearing

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Creation quality: 5.0/5 (1 vote)
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  • 17 downloads

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  • Fibonacci_Bearing_Wheel_V3.stl

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3D model size X 88.8 Γ— Y 10 Γ— Z 88.9 mm
Publication date 2021-07-04 at 23:09
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Published to Thingiverse on: 2018-11-04 at 00:45
Design number 465358

3D printer file info

3D model description

Wheel designed for a Cub Scout/Boy Scout Dirty Derby Race. Gravity ramp started at about 20ft and had a jump. Cars were allowed to be 4" wide x 6" tall x 18" long and weigh up to 12lbs. Mine weighed in at 5lbs.

The wheels should have been installed directionally, but I did not and they held up just fine. I ended up winning first in the Cub Scouts and 2nd in the final 4 against 2 Boy Scout cars and the 2nd place Cub Scout car. The Cub Scout car that I beat originally beat me for 1st overall.

The bearings used for this were 608-2RS Skateboard Bearing, Rolling bearings, 8x22x7 from Amazon.

I designed a channel for a snap ring, but the ring ended up rubbing the shaft, so I ended up glueing the bearings into the wheel.

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