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Simple Radial Pneumatic Engine

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Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.
  • 6.2k views
  • 33 likes
  • 205 downloads
  • 2 makes
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3D design format
STL Folder details Close
  • Crank_for_M5_Washer.stl
  • Cylider_Back_Lid_x3.stl
  • Cylinder_Plate_x3.stl
  • Cylinder_Ring_x3.stl
  • Frame_Bottom.stl
  • Frame_Top.stl
  • Gear_Center.stl
  • Gears_1to2.stl
  • Gears_1to3_1.stl
  • Gears_1to3_2.stl
  • Gears_1to8_1.stl
  • Gears_1to8_2.stl
  • Helper_Cylinder_Clip_x2.stl
  • Helper_Finger_Height.stl
  • Piston_Washer_x6.stl
  • Piston_x3.stl
  • Valve_Inner.stl
  • Valve_Lid_Balloon.stl
  • Washer_M5_x2.stl
  • X_6mm_to_Tap_Water.stl
  • X_6mm_to_Whistle.stl
  • X_Crank_for_105ZZ_Bearing.stl
  • X_Cylinder_Ring_02mm_gap.stl
  • X_Gears_1to8_2_Bevels.stl
  • X_Pulley.stl
  • X_Valve_Lid_6mm_Flat.stl
  • X_Valve_Lid_6mm_Flat_90.stl
  • X_Valve_Lid_6mm_Vert.stl

Learn more about the formats
Last update 2019-07-22 at 13:56
Publication date 2019-07-09 at 08:40
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Published to Thingiverse on: 2019-07-09 at 05:32
Design number 63682
Slava_Z

Slava_Z

3D printer file info

3D model description

Run by just blowing air into it. Demonstration:
https://www.youtube.com/watch?v=_FDZzKAFSz4

Explosion Diagram in 3d Viewer: https://skfb.ly/6LQBR

If you like how it works, you can support me by purchasing the Pneumobile chassis:
https://cults3d.com/en/3d-model/game/pneumobile-pneumatic-toy-car

Works with this remote:
https://www.thingiverse.com/thing:3675568
Or with simpler remote from the Vapemobile set:
https://www.thingiverse.com/thing:3606204

Extra parts needed:
- M3x8 Bolts (x15)
- M3 Nuts (x15)
- Nitrile Gloves (thumbs from M sized gloves worked the best)
or Silicon (worse) or PET (not tested) ones

Optional parts:
- M3x12 or longer bolts (2x)(for the gears)
- M3 Nuts (x2)(for the gears)
- 6x4mm Silicon Pipe (can be found in aquarium shops)
- M5x10mm Washers (x2) (instead of printed ones)
- 105ZZ Bearings (x2) (noticed no difference in performance)

Printed well with 0.6 nozzle at 0.2 layer height. Some parts (Cylider_Back_Lid and Valve_Lid_6mm) need supports. After printing cut away the brims from Cylinder_Ring parts.

Assembly instructions are coming in the next couple of days.
In short:
- Cut off a glove finger tip
- Pull it onto a Cylinder_Ring (Use Helper_Finger to leave enough height)
- Connect a Piston to it with two Washers
- Clamp the Cylinder_Ring between Cylinder_Plate and and Cylinder_Lid
- Clip them with Helper_Clamp so they won't fall apart at once
- Bolt them together to Plate_Top
- Repeat for the other 2 cylinders
- Insert th Crank with 2 Washers
- Fix it in place with Frame_Bottom
- Bolt all the parts together
- Put the Valve_Inner in place
- Bolt the Valve_Lid into place
- The engine should be running!

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