The TT Motor Bi-Metal Gearbox with 1:90 Gear Ratio is a durable, high-torque motor engineered for robotics, automation, and mechanical applications. With its steel-reinforced gearbox, it provides exceptional load-bearing strength and reliability compared to traditional plastic TT motors. Its double-sided axle design allows versatile installation, while the 1:90 gear ratio delivers strong torque at reduced speed—ideal for robotic projects requiring precise motion and controlled power. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
High Torque Output: 1:90 gear ratio doubles torque over 1:48 TT motors.
Bi-Metal Gearbox: Combines metal and plastic components for optimal strength and reduced wear.
Steel Output Gears: Prevents gear stripping and increases service life.
Double-Sided Axle: Supports flexible mechanical integration on both sides.
Wide Voltage Range: Operates efficiently from 3V to 6V DC.
DIY Customizable: Ships without pre-soldered wires for user flexibility.
Compact & Lightweight: Fits standard TT mounting brackets.
Driver Compatible: Works with DRV8833, TB6612, L298N, and similar motor drivers.
Smooth Operation: Low noise and minimal vibration under load.
Reliable Build: Perfect for continuous duty and repeated use in robotics education and prototyping.
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Applications:
Robotics: Ideal for driving wheeled robots that require torque and stability.
RC Vehicles: Provides slow but powerful drive for crawler or tank-type vehicles.
DIY Engineering Projects: Suitable for motion-based hobby or educational setups.
Prototyping: Useful for testing small industrial designs or mechanical automation systems.
STEM Education: Helps students learn motor control, torque, and gear ratios in practice.
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| General Specifications |
| Model | TT Motor Bi-Metal Gearbox Double-Sided Axle |
| Gear Ratio | 1:90 |
| Operating Voltage | 3V – 6V DC |
| No-Load Speed | 60 RPM @ 3V / 90 RPM @ 4.5V / 120 RPM @ 6V |
| No-Load Current | 80 mA @ 3V / 90 mA @ 4.5V / 100 mA @ 6V |
| Stall Current | 0.5 A @ 3V / 0.8 A @ 4.5V / 1.0 A @ 6V |
| Material | Bi-metal gearbox with steel output gears |
| Axle Type | Double-sided |
| Dimensions | Standard TT motor form factor |
| Compatible Drivers | DRV8833, TB6612, L298N |
| Encoder | Not included |
| Applications | Robotics, RC vehicles, mechanical prototyping, educational kits |
| Shipping Weight | 0.0385 kg |
| Shipping Dimensions | 7 × 4 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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Documentation:
How to Use:
Powering the Motor:
- Use a DC power source between 3V and 6V to power the motor. For optimal performance, 4.5V is recommended.
Motor Driver Connection:
- Connect the motor to a high-current motor driver such as DRV8833 or TB6612 to control its operation. Ensure the driver is compatible with your microcontroller.
Solder Wires:
- Solder wires to the motor terminals as it does not come with pre-attached wires.
Integrate with Robotics:
- Mount the motor into your robotic frame using compatible brackets and attach wheels or other mechanical components.
Add Feedback System (Optional):
- For precise movement, incorporate a separate feedback system such as encoders or sensors, as this motor does not have built-in positional feedback.
Package Includes:
1 x TT Motor Bi-Metal Gearbox Double-Sided Axle with 1:90 Gear Ratio
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