7203 Series Planetary Gear Motor (50.9:1 Ratio, 24mm Length 8mm REX Shaft, 117 RPM, 3.3 - 5V Encoder)
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Description
Not competition legal — read before buying
This part is NOT legal for FIRST Tech Challenge (FTC) or FIRST Robotics Competition (FRC). It is sold for training, practice, prototyping and general robotics use only. Do not build it into a robot you intend to compete with.
The 7203 Series Planetary Gear Motors are the solution for smooth, efficient and robust power for your project. This series of Yellow Jackets features the primary shaft profile of the Sheen Robotics build system - 8mm REX. This already strong shaft goes up to a 9mm diameter inside the head with dual ball-bearing support. The 36mm diameter gearbox contains all steel gears which are larger than those in the 5202 Series. The screws which mount the gearbox are larger in diameter and come in from the sides. This helps make them ultra-resistant to loosening over time. Though the gearbox itself is larger, the shape of the head has been designed to allow more room for nearby components.
Specs
Output Shaft 8mm REX, 24mm Length
No-Load Speed @ 12VDC 117 RPM
No-Load Current @12VDC 0.25A
Wire Gauge 16AWG
Technical drawing
Competition eligibility
| FIRST Tech Challenge (FTC) | Not legal |
| FIRST Robotics Competition (FRC) | Not legal |
Specifications
| Part number | 7203-2402-0051 |
| Motor Size | RS-555 |
| Motor Type | Brushed DC |
| Nominal Voltage | 12VDC |
| Gearbox Style | Planetary |
| Gear Ratio | 50.9:1 |
| Gear Material | Steel |
| Stall Current | @12VDC 9.2A |
| Stall Torque | @12VDC 68.4 kg.cm (950 oz-in) |
| Wire Length | 470mm (including connectors) |
| Motor Connector Type | 3.5mm FH-MC Bullet Connectors |
| Encoder Connector Type | 4-Pos JST XH [FH-MC] |
| Encoder Type | Relative, Quadrature |
| Encoder Sensor Type | Magnetic (Hall Effect) |
| Encoder Voltage Range | 3.3 - 5VDC |
| Encoder Resolution | 1,425.1 PPR at the Output Shaft |
| Weight | 450g |
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