Overview
The CubeMars W30 underwater thruster is engineered for high performance in ROVs, AUVs, unmanned boats, and marine robotics. Built to withstand corrosive seawater environments, it features a maximum forward thrust of 7.7kgf, operates reliably at 200m diving depth, and offers a compact, corrosion-resistant design. The set includes a W30 KV320 motor, pair of 3-blade PC propellers, W30-6S-45A ESC, and PC plastic nozzle.
Key Features
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Forward thrust 6.7–7.7kgf, reverse thrust 5.0–5.8kgf
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200m maximum diving depth
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Anti-corrosion design with stainless steel shaft & screws, anti-rust rotor coating, potted windings
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Self-lubricating plastic bushing – no shaft seals, magnetic couplings, or oil/gas chambers needed
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Sturdy PC plastic nozzle – pressure-resistant and hydrodynamically optimized
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Complete propulsion set – motor, propeller pair, ESC, nozzle
Specifications
W30 Thruster
| Parameter | Value |
|---|---|
| Type | W30 |
| Dimension | Ø100×108mm |
| Forward Thrust | 6.7–7.7kgf |
| Backward Thrust | 5.0–5.8kgf |
| Rated Power | 480W |
| Rated Current | 22A |
| Max Depth | 200m |
| Weight (Air) | 420g |
| Weight (Water) | 200g |
| Cable Spec & Length | 18AWG × 1000mm |
| Recommended Battery | 6S LiPo (4.2V/cell) |
| ESC | W30-6S-45A |
| Propeller | W30 Purple PC Propeller |
| Package Weight | 710g |
W30 KV320 Motor
| Parameter | Value |
|---|---|
| Motor Type | W30 KV320 |
| Rated Power | 480W |
| Rated Current | 22A |
| Weight | 270g |
| No-Load Current @10V | 0.5A |
| No-Load RPM @10V | 3200rpm |
| Inductance | 125µH |
| Max Depth | 200m |
| Max Current | 30A / 180s |
| Max Power | 720W / 180s |
| Winding Wire Temp Resistance | 220°C |
| Slot/Pole | 12N14P |
| Winding Hi-Pot | 500V / 5s |
| Internal Resistance | 220mΩ |
| Cable Spec & Length | 18AWG × 1000mm |
| Package Weight | 580g |
W30 3-Blade Propeller
| Parameter | Value |
|---|---|
| Dimension | Ø76.1 × 36mm |
| Pitch | 3.6 inch |
| Weight | 12g |
W30 Nozzle
| Parameter | Value |
|---|---|
| Dimension | Ø100 × 108mm |
| Weight | 140g |
W30-6S-45A ESC
| Parameter | Value |
|---|---|
| Voltage | 4–6S |
| Continuous Current | 45A |
| Instant Current | 50A (10s) |
| Standby Loss | ≤50mA |
| Throttle Range | 1000–2000µs |
| Throttle Frequency | 400Hz |
| Motor Wires | Black 16AWG 100mm × 3pcs |
| Power Wires | Red/Black 14AWG 200mm |
| Signal Wires | PVC JR 3p |
| Weight | 32.5g |
Manual Downloads
Details

CubeMars W30 underwater thruster offers better durability, 7.7kgf thrust, 200m diving depth, corrosion-resistant, efficient, and compact design for marine use.

Quality from trustworthy durability. Stator winding closed with potting glue. Rotor magnet surface has anti-corrosion coating. Steel shaft and screws are high-grade stainless steel.

CubeMars W30 Underwater Thruster: PC plastic nozzle, sturdy, pressure-resistant, streamlined design, max thrust 7.7 kgf.

Imported plastic bushing is self-lubricating in water, eliminating shaft seals and couplings. Propeller is pressure-resistant, achieving 200-meter diving depth.

CubeMars W30 Underwater Thruster has immersion design with water-cooled motor for stable performance.


CubeMars W30 Thruster: 200m depth, 6.7-7.7kgf forward thrust, 480W power, 22A current, 420g air weight. KV320 motor, 3-blade propeller, nozzle, and ESC specifications included.

CubeMars W30 thruster analysis: Current, thrust, RPM, and efficiency vary with voltage (16V, 19V, 24V) and throttle. Data highlights optimal performance metrics across different settings for underwater applications.
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