Easy Build Clock with a 32 Day Runtime
This is an easy to build 3D printed clock that has runtimes of up to 32 days.
The initial design goal was to simplify the bill of materials to make it easy to acquire the non-printed parts. These changes made the clock very efficient and it has 32 days of runtime using only 5kg of weight. Options for shorter runtimes would need much less weight.
The first design shown is available at https://www.myminifactory.com/object/3d-print-32-day-clock-easy-build-156759
The large version of the clock seen in the second half of the video is available at https://www.myminifactory.com/object/3d-print-large-easy-build-clock-with-21-day-runtime-159691 The larger gear size take more energy so the runtime is limited to 21.5 days.
Assembly videos for both clocks should be available soon.
The complete bill of materials to build either clock is:
0.85kg PLA for small clock, 1.2kg PLA for large clock
25 6x3/4" wood screws
18" 3mm metal rod
9" 1.5mm or 1/16" metal rod
12' fishing line
5-10 lb. BBs or lead shot for the weight shell
5 623RS (3x10x4mm) bearings
4 springs from a ball point pen
44 pennies for the pendulum bob
Related videos:
Assembly part 1, basic components https://youtu.be/gM1UZuv43u4
Assembly part 2, final assembly https://youtu.be/SawrNzYoE2A
Debug steps https://youtu.be/uQcfjhecORE
Steve
Видео Easy Build Clock with a 32 Day Runtime канала Steve Peterson
The initial design goal was to simplify the bill of materials to make it easy to acquire the non-printed parts. These changes made the clock very efficient and it has 32 days of runtime using only 5kg of weight. Options for shorter runtimes would need much less weight.
The first design shown is available at https://www.myminifactory.com/object/3d-print-32-day-clock-easy-build-156759
The large version of the clock seen in the second half of the video is available at https://www.myminifactory.com/object/3d-print-large-easy-build-clock-with-21-day-runtime-159691 The larger gear size take more energy so the runtime is limited to 21.5 days.
Assembly videos for both clocks should be available soon.
The complete bill of materials to build either clock is:
0.85kg PLA for small clock, 1.2kg PLA for large clock
25 6x3/4" wood screws
18" 3mm metal rod
9" 1.5mm or 1/16" metal rod
12' fishing line
5-10 lb. BBs or lead shot for the weight shell
5 623RS (3x10x4mm) bearings
4 springs from a ball point pen
44 pennies for the pendulum bob
Related videos:
Assembly part 1, basic components https://youtu.be/gM1UZuv43u4
Assembly part 2, final assembly https://youtu.be/SawrNzYoE2A
Debug steps https://youtu.be/uQcfjhecORE
Steve
Видео Easy Build Clock with a 32 Day Runtime канала Steve Peterson
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