Product Description

APISQUEEN U92 Pro: Underwater Thruster for Kayaks and Small Watercraft

The APISQUEEN U92 Pro is an underwater thruster designed specifically for small watercraft, including kayaks, inflatable boats, fishing float tubes, and paddleboards. It offers a motorized propulsion solution for users looking to move beyond manual paddling.

Key Features

An upgrade to the previous U92 model, the U92 Pro features significant improvements in resistance to sediment ingress, motor protection, and heat dissipation during extended operation.

Outrunner Motor with an Enhanced Protective Housing

The U92 Pro features an outer-rotor motor enclosed in an additional protective housing with an enhanced sealing design. This design retains the high torque and energy efficiency advantages of an outer-rotor motor while incorporating the protective benefits of an enclosed motor structure. The enhanced sealing helps reduce the risk of sand, silt, and aquatic debris entering the motor, minimizing the potential for wear or jamming caused by particle accumulation and friction. Compared with the previous U92 version, the U92 Pro offers improved protection and reliability, making it better suited for environments with high sediment levels and more challenging water conditions.

Efficient Heat Dissipation
The U92 Pro features an integrated ESC (Electronic Speed Controller) located at the base of the thruster. It utilizes the surrounding water for cooling, which helps keep temperatures low during prolonged use and lowers the risk of the device triggering thermal protection.

Comprehensive Electronic Protection
The U92 Pro includes the following protective features:
Corrosion-resistant design
Stall protection
Overheat protection
Low-voltage protection
Overvoltage protection
These safeguards contribute to the stability and reliability of the device during operation.

U92 PRO Two Set Underwater Thruster Installation and Testing:

U92 Pro Two set Contents Overview

U92 Pro Thrusters (CW + CCW) — Quantity: 2 total
ESC — Quantity: 2 (integrated into the base of the thrusters)
Mounting Bases — Quantity: 2 pairs
Control Box — Quantity: 1
Remote Controller — Quantity: 1 (optional)
Tools (screws + wrench) — Quantity: 9 items

Comparison of A300 and W300 Remote Controls

A300 Remote Control: Offers a control range of up to 200 meters and includes a cruise control function. This remote is not waterproof and is intended for use in dry environments.

W300 Waterproof Remote Control: Provides an extended control range of approximately 250–500 meters. It features a waterproof design, capable of withstanding submersion up to a depth of 1 meter. It includes a cruise control function, and the accompanying receiver supports automatic heading correction, which helps maintain a straight course. To ensure proper operation, the receiver (housed within the system's control box) must be installed in a horizontal position.

Which one should you choose? If you require standard remote operation over shorter distances, choose the A300. If you need waterproof capabilities and a longer control range for operating a vessel, choose the W300.

U92 Pro Dimensional Drawings and Installation

Technical Specifications

Model: U92 Pro Two Underwater Thruster Set
Voltage: 12V/24V
Maximum thrust per thruster: 10kg
Total thrust of two thrusters: 20kg
Total current of the system: 45A
Total power (total power of two thrusters): 900W
Remote controller range: 100 meters
Total weight of the system: 3.9kg
Forward speed: 5-13 km/h
Motor to control box cable length: 1.5 meters

12V / 24V Tester(Single thruster)

 


 

Efficient parameter setting software

Simply connect the APISQUEEN USB tuning board to your computer and set the parameters you want according to your actual situation.
【Software download link】:APISQUEEN ESC USB tool V1.8

Summary of Product Advantages

Comparative Conclusion:

1. Functional Requirements:
If you prioritize protection and durability, choose the U92 Pro (new and upgraded version), as it offers enhanced waterproofing and corrosion resistance, making it suitable for more demanding water environments.
2. Power and Efficiency:
If you require a more efficient operating mode, the U92 Pro will offer longer battery life with the same battery capacity, allowing you to sail further.
3. Thrust and Speed:
Both thrusters offer similar thrust, with each providing 10kg of thrust. If you're primarily concerned with thruster efficiency and stability, the U92 Pro offers superior performance, especially with improved heat dissipation during extended use.
4. Maintenance and Usage Environment:
If you need a thruster that can operate in a variety of water conditions and offers high durability, the upgraded U92 Pro offers improved protection, making it particularly suitable for saltwater and heavily polluted waters.
Overall, if you are a water sports enthusiast who values thrust, power, and high efficiency, the U92 Pro (new and upgraded version) is the better choice.

FAQ

Q: How long does the battery last?

A: Runtime depends on battery capacity, load, and usage patterns.

For example, when paired with a 24V 100Ah battery, the runtime is approximately 3–4 hours under typical fishing conditions.

Q: Can it be used in saltwater?

A: Yes. The U92 Pro is suitable for both freshwater and saltwater environments.

Q: Should I rinse it with fresh water for maintenance?

A: Although the unit features good resistance to seawater corrosion, it is recommended to rinse the thruster and the quick-release base with fresh water after use in seawater; this helps extend the service life of the bearings and seals.

Q: How fast does it go?

A: Actual speed varies based on vessel type, load, water currents, and weather conditions. Generally, speeds range from 5 to 13 km/h, meeting the needs for daily cruising, fishing, and leisure activities.

Q: Is installation difficult?

A: No, it is not difficult. The U92 Pro features a simple installation design that typically requires only basic tools; most users can complete the installation and setup in about 30 minutes.

Q: Do I need to install a rudder?

A: No. The U92 Pro kit comes with a wireless remote control that allows for direct control of forward and backward movement, as well as left and right turns, enabling daily operation without the need for an additional rudder.

For most kayak, SUP, and inflatable boat users, the remote control alone is sufficient for normal operation.

Q: Can I use my own battery?

A: Yes. You can use your own battery provided it meets the system's voltage requirements and can deliver sufficient current output.

If you need the version that includes batteries, please check this link: https://www.underwaterthruster.com/products/apisqueen-new-24v-u92-pro-two-underwater-thruster-set-for-belly-boat-kayak

Q: Is it noisy during operation?

A: No. The U92 Pro is powered by a brushless motor, which operates much more quietly than traditional internal combustion engines, making it ideal for activities that require a quiet environment, such as fishing or cruising.

Q: Is it suitable for saltwater fishing?

A: Yes, it is. The U92 Pro delivers powerful thrust and stable power output, performing exceptionally well in coastal, bay, and near-shore fishing environments—making it a top choice for many saltwater fishing enthusiasts.

Q: What happens if the thruster encounters seaweed or debris?

A: The U92 Pro features a protective design that effectively minimizes entanglement with seaweed and debris. If significant entanglement occurs, we recommend powering off the unit and clearing the thruster to ensure optimal performance.

Q: Can it be used in the rain?

A: Yes. The thruster, ESC (Electronic Speed Controller), and related components are designed to withstand everyday rain and water splashes.

Please note that the control box is not waterproof; it must be placed in a dry location and protected against water (e.g., by using a waterproof box or bag) to prevent rain or accumulated water from entering the unit.

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