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LEGO MOC 4 Speed Automatic Transmission with Rotary Catch by Brick_Building_Data | Rebrickable - Build with LEGO
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LEGO MOC 2 Speed Automatic Gearbox - Smooth & Compact by TechnicBrickPower | Rebrickable - Build with LEGO
LEGO TECHNIC AUTOMATIC TRANSMISSION | Lego Technic | Experimenting with a LEGO Technic Automatic 4-speed Transmission – How can this be improved? Created by Sariel https://bit.ly/3fU26gn | By Beyond the Brick | Facebook
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Sliding worm 3-speed automatic gearbox - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
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Two-Speed Automatic Gearbox - inspired by TechnicBrickPower - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
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Simplest automatic LEGO transmission in the world? Really functional. Principle explained. - YouTube
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LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO
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Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions.
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