Gisam Hand Jet Blower Replacement Blades
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You can't buy replacements on aliexpress, so I made this model.
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution
Thick blades model: strong
Thin blades model: more aero, slightly better performance, but weaker
I used PETG on the strong model, and tried CF nylon for the thin version. Both held up fine at maximum speed. Other materials might work too, but I didn't test any others.
I recommend a 0.4mm nozzle. Too big a nozzle, and the blades won't be smooth which messes with the aerodynamics. I haven't tested any smaller nozzles. Print quality is super important to keep the thing balanced!
Print with supports. Use at your own risk, and don't point it at any living being, because you don't want sharp plastic being launched at you at 200 kmh, in case anything goes wrong.
Remember to wear ear protection!