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Ravigneaux Gear Set -> 4 Forward Gears and Reverse

Print Profile(1)

All
A1
P1S
P1P
X1 Carbon
X1E
X1
H2D
H2D Pro
H2S
P2S
H2C
X2D
A2L

0.2mm layer, 2 walls, 25% infill
0.2mm layer, 2 walls, 25% infill
Designer
8.2 h
1 plate
5.0(2)

Open in Bambu Studio
Boost
32
65
2
1
64
23
Released 

Description

This Ravigneaux gear set is a compact and lightweight planetary system, 3D-printed entirely from durable PLA. It is ideal for hobbyist and maker applications, offering a functional and educational model of a multi-speed gearbox.

Gearboxes like this are used in automatic car transmissions !!!

Key Features:

  • 4 Forward Gears + 1 Reverse Gear: Designed to mimic real-world automatic transmission systems, it offers a total of five selectable driving modes.
  • Encased by a Hollow Ring Gear: The external ring gear integrates and secures the entire assembly, ensuring a stable and efficient operation.
  • PLA Construction: Lightweight and easy to manufacture, making it perfect for prototyping and experimentation.
  • Use more durable Materials for high load applications
  • Dual Sun Gear System: Includes a large and small sun gear, enabling complex speed ratio configurations in a compact footprint.
  • Easy to Assemble: The design is modular and user-friendly, encouraging customization and exploration of mechanical principles.

Whether for educational purposes, functional use in small robots, or as a demonstration of mechanical engineering, this Ravigneaux gear set delivers impressive performance.

It’s a great example of how 3D printing can bring sophisticated gear systems to life for makers everywhere.

 

Look in the Documentation for transformation ratios and assembly :)


Documentation (1)

Assembly Guide (1)
ravigneaux.pdf

Comment & Rating (2)

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License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.