November 20, 2024
Description
10/24/2024 - Version 2
- V2 adds a sheave guard for the big wheel to protect from rope creeping over the rim
- Increased width of the spokes to 5mm
- Added a Zero variant that does not require an M4 bolt and nut. Print 4 of the axel pieces which lock in place with gentle hammering
- Changed wheel groove profile to increase depth
A larger double wheel version of the smaller Snatchblock Mini. Create two of these pulleys to work together and achieve an impressive 1:4 mechanical advantage. For example, a set of these pulleys are capable of lifting 40 pounds with only 10 pounds of downward pull.
Light duty - 25 lbs successfully tested
Dimensions - 175mm x 44mm x 20mm
2x - M4 16mm hex socket cap bolt
2x - M4 nut
2x - 608 bearing
No supports are required! To maximize strength increase the number of perimeters or use a 100% infill.
See attached exploded view.
License:
Creative Commons — Attribution
10
SecretGarden
