Disk-Drive Thruster

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The Hydromea Disk-Drive Thruster is a patented, very compact, direct-drive propulsion unit with integrated motor controller. The hub-less propeller design makes it robust to debris and eliminates the risk of stall due to strings and water plants wrapping around a shaft. The rotor is hydrolubricated without any dynamic seals, making the design completely oil-free and pressure-proof. The integrated motor controller has a CAN bus interface and performs brushless commutation and closed-loop speed control in both directions. Our proprietary sinusoidal commutation algorithm continuously monitors and optimises the motor timing parameters, resulting in smooth and efficient operation across the full speed range.

Features

• Ultra-compact

• Thin, low-profile design

• Hub-less propeller

• Direct-drive, no gears or dynamic seals

 Pressure-proof • Integrated sinusoidal motor controller with bi-directional closed-loop speed control

• Instant start and fast reversal for accurate attitude control

• CAN interface Applications

• Ideal as stabilisation thrusters for small ROVs/AUVs

• Low profile enables low drag for vertically mounted thrusters

• Deep-sea actuators 

 

Application

 

Specifications

(Preliminary specifications)

- Outer Dimensions 82 x 95 x 14 mm

- Propeller diameter 50 mm

- Max. Thrust 25 N

- Weight in air 135 g

- Supply voltage 12-22 V

- Max. current 21 A

- Interface CAN bus

Depth rating 6000 m

 

HydromeaFranceMarine Distribution & ConsultingThrusterDisk Drive Thruster6000mMDCROVAUVHubless thruster, thrusterhydrolubricated 

 

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