O Scale Pump Jack
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This O scale pump jack prints in parts and is assembled easily. It was designed to fit the hardware in the description.
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Model information
- Source
- Printables
- Category
- Other Ideas
- License
- Creative Commons — Attribution
I made this model for my grandpa to be displayed in his model train room. It is modeled to represent a pump jack from his childhood and his early years in the oil fields, but isn't necessarily an exact replica of a particular model.
Print each of the parts separately and glue them together, or roll the dice and try to print the truss structure in one go. Each piece was printed with PLA, except the belts, which were printed with TPU. I also found that o-rings can be used in place of the printed belts if your printer isn't tuned well for TPU.
Printed Part List:
- CrossMember - print 2
- LongBeam - print 2
- ShortBeam - print 2
- Counterweight - print 2
- Base
- Reducer
- MotorHousing
- PitmanArm
- GearCover
- Walking Beam and Horse Head
- Gear 1
- Gear 2
- Gear 3
- Gear 4
- Belt1 - print with TPU
- Belt2 - print with TPU
Hardware:
- 1.5x4x2mm Bearings - 10 required
- 1.5mm Steel Shaft
- 104rpm Motor