



R21Pro Rim Thruster
Model
R21ProForward Thrust
8KGBackward Thrust
8KGPower
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Details
· The rim-driven thruster integrates the motor rotor and blades into a single unit, eliminating the traditional inboard propulsion shaft system and sealing system, and achieving direct power transmission via electric energy, thus occupying almost no in-cabin space.
· The blade support structure is placed inside the duct, which correspondingly increases the flow area inside the duct and improves propulsion efficiency.
| Rated Rotational Speed: | 2900r/min |
| Rated Voltage: | 300VDC |
Housing Material: | Aluminum Alloy / Titanium Alloy |
Rotation Direction: | Left Hand Rotation / Right Hand Rotation |
| Propeller Material: | Stainless Steel |
Temperature: | Storage Temperature: -40~70℃, Operating Temperature: -5~40℃ |
| Sealing Type: | Zero-Permeability Magnetic Coupling Rotary Sealing |
| Operating Water Depth: | 0-200m / 0-6000m / Full Ocean Depth Oil Filled Compensation for Operating Water Depth >200m |
| Driver: | Built-in / External |
| Signal Power Supply: | 12VDC(±5%), ≤250mA |
| Fairing: | / |
| Control Mode/Speed Feedback: | Analog Voltage (Pulse Feedback/Analog Voltage Feedback) PPM / RS485 / CAN |
Thruster Overall Dimensions Unit: mm

Operating Water Depth: 0-200m
Driver Overall Dimensions Unit: mm


Operating Water Depth: 0-6000m
Selection Parameters
| Operating Water Depth (m) | 0-200 | 0-6000 | Full Ocean Depth |
| Overall Dimensions (mm) | Diameter: 131.5 | Diameter: 156.5 | Diameter: 156.5 |
| Length (mm) | 63 | 63 | 63 |
| Air Weight (Kg) | 2.0~2.5 | 2.7 | 2.7 |
| Underwater Weight (Kg) | 1.5~2.0 | 2.1 | 2.1 |
| Connector Model | MCBH8M | MCPBOF8M | PBOF8M |
| Optional Voltage Rating | 300 VDC | Oil Pipe Outer Diameter 3/4'' Oil Pipe Bending Outer Diameter 3'' | Oil Pipe Outer Diameter 3/4'' Oil Pipe Bending Outer Diameter 3'' |
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