UDI RC Inkfish 362mm Jetboat RTR Brushed Turbojet UDI023

Overview

The UDI RC INKFISH JETBOAT 362mm TURBOJET RTR BRUSHED is a thrilling ready-to-run RC jetboat designed for enthusiasts seeking high-performance water-based RC adventures. This impressive 362mm shallow V-shaped hull is engineered with a high-strength ABS simulated design that delivers superior underwater performance and realistic aesthetics. Whether you're new to RC boating in the UK or an experienced water sports enthusiast, this brushed motor-powered jetboat offers an exceptional balance of speed, manoeuvrability, and innovative engineering that sets it apart from conventional RC boats.

Unlike traditional propeller-driven RC boats, the INKFISH features a revolutionary spray pump jet propulsion system that provides exceptional performance in shallow waters and rocky areas without the risk of propeller entanglement or hull damage. The integrated jet pump structure pressurises water flow through precision-engineered blades, delivering superior thrust efficiency and outstanding acceleration. With its built-in gyroscope stabilisation, dual navigation lights, self-righting hull design, and waterproof electronics, this is a comprehensive ready-to-run RC powerboat that arrives fully assembled and ready for immediate deployment on your local waterways.

Ideal for both casual weekend bashers and serious RC boat competitors across the UK, the UDI023 combines cutting-edge technology with user-friendly features. The 2.4GHz wireless control system operates at up to 100 metres range, whilst intelligent safety systems including low battery alarms and out-of-range warnings keep you informed throughout your session. Whether you're cruising on ponds, lakes, or shallow rivers, this brushed RC jetboat delivers reliable performance and innovative features that make water-based RC racing and recreational boating genuinely exciting.

Key Features

• Spray Pump Jet Propulsion System — Unlike conventional propeller-driven RC boats, the INKFISH features an innovative spray pump structure that eliminates entanglement hazards and delivers superior thrust efficiency. The motor pressurises water flow through precision blades, improving the efficiency ratio and generating better propulsion performance in the water, making it ideal for shallow and rocky environments.
• Shallow Draft Water Jet Propulsion — The water jet system does not exceed the power component of the hull, allowing completely free navigation in shallow and rocky areas without fear of collision or entanglement with underwater obstacles, making this RC jetboat exceptionally versatile for UK waterways.
• Self-Righting Hull Design — Press the function key once during normal operation and the hull automatically returns to an upright position, eliminating the frustration of capsizing and allowing continuous enjoyment of your RC boating experience without interruption.
• Controllable Navigation Lights — Both front navigation lights and tail-lights are independently controllable from the transmitter, enabling night-time operation whilst maintaining clear visibility and positional awareness of your RC jetboat at all times.
• Rubber Anti-Collision Strip — An embedded anti-collision rubber strip design along the bow of the hull effectively absorbs and reduces damage caused by accidental collisions with obstacles, rocks, or the shoreline, protecting your investment and reducing repair costs.
• Water-Cooled Brushed Motor System — The integrated water-cooling system dissipates heat generated by the carbon brush motor during high-performance operation, ensuring consistent power delivery, extended runtime, and reliable performance throughout extended boating sessions.
• Waterproof 9g Servo — A high-torque integrated waterproof steering servo rated at 9g provides precise directional control and responsive handling, engineered specifically for full submersion in water without compromising steering accuracy or durability.
• UA37 2.4GHz Radio System — The professional-grade wireless control system delivers long-distance, high-output 2.4GHz signal transmission with exceptional range up to 100 metres, featuring dual protection systems including low battery alarm and out-of-range warning to keep you fully informed of operational status.
• Low Power and Out-of-Range Alarms — Intelligent safety alerts notify you when transmitter batteries are low or the signal exceeds safe operating distance, helping you avoid lost RC boats and ensuring you maintain full control throughout your session.
• Built-In Gyroscope Stabilisation — The 4-channel receiver features integrated gyroscope technology that automatically stabilises the hull during operation, reducing the need for constant manual correction and enabling smoother, more controlled boating for operators of all skill levels.
• Simulated Display Hull Design — Beyond providing exceptional performance on the water, the realistic hull design is aesthetically impressive enough to serve as a boutique display piece during non-operational times, combining functional engineering with collector appeal.
• Complete Ready-to-Run Package — Everything required for immediate operation is included: the fully assembled boat with integrated ESC and motor, 2.4GHz transmitter, rechargeable 7.4V 2000mAh lithium battery, USB balanced charger, user manual, and maintenance tools.

Technical Performance

The INKFISH JETBOAT UDI023 is engineered for impressive water-based performance with a well-balanced power delivery system. The carbon brush motor (390SM-5022-66D specification) operates with an integrated water-cooling system to manage heat dissipation during sustained high-performance operation. The motor delivers approximately 14km/h maximum speed in standard operation, providing quick acceleration and responsive control through the 2 in 1 receiver ESC box featuring 2.4GHz waterproof and dustproof design. The shallow V-shaped hull with a 32-degree dead rise angle maximises stability and hydrodynamic efficiency, measuring exactly 362mm in overall length, 127mm beam width, and 110mm height, with a total weight of approximately 653 grams—compact enough for transport yet substantial enough for stable water operation. The 7.4V 2000mAh lithium battery (2S LiPo configuration) delivers approximately 8-10 minutes of continuous playing time, with a full charge cycle requiring approximately 230 minutes using the included USB balanced charger rated at 7.4V output with maximum 1500mA charging current. The high-torque 9g waterproof steering servo provides precise directional control with integrated waterproof engineering for full submersion reliability. The spray pump jet propulsion system operates silently compared to conventional propellers whilst delivering superior thrust efficiency through optimised water pressure channels. The 4-channel receiver integrates gyroscope stabilisation technology and low voltage detection, protecting battery longevity and ensuring consistent performance. The UA37 wireless control system operates at 2.4GHz frequency with approximately 100-metre operational range, making it suitable for medium to large-sized water environments including ponds, lakes, and slow-moving rivers across the UK.

What's in the Box

• Fully assembled UDI023 INKFISH JETBOAT with integrated ESC and brushed motor
• UA37 2.4GHz wireless transmitter with high-output signal
• 7.4V 2000mAh lithium battery (2-Cell LiPo)
• USB balanced charger (7.4V output, 1500mA maximum)
• User manual and assembly documentation
• Maintenance and cleaning tools

What You Need to Complete

• Four AAA 1.5V batteries for the transmitter power supply

Frequently Asked Questions

• Is the UDI RC INKFISH JETBOAT suitable for beginners and first-time RC boat operators? — Yes, absolutely. This is an age-appropriate ready-to-run model designed for operators aged 14 and above, featuring beginner-friendly controls, automatic gyroscope stabilisation, self-righting hull design, and comprehensive safety alarms. The straightforward transmitter interface and intuitive control layout make it excellent for newcomers to RC boating, whilst the advanced features satisfy experienced operators seeking performance and innovation.
• What makes the spray pump jet propulsion system better than conventional propellers? — The spray pump design eliminates dangerous propeller entanglement hazards, allowing operation in shallow and rocky water environments without restriction. The hidden propeller system operates through pressurised water channels, improving thrust efficiency whilst protecting both the boat and underwater obstacles from damage. This makes the INKFISH exceptionally versatile for UK waterways with varying depths and obstructions.
• What battery does the INKFISH JETBOAT UDI023 require and how long does it last? — The model includes a 7.4V 2000mAh lithium battery (2-cell LiPo configuration) that delivers approximately 8-10 minutes of continuous playing time per charge. The included USB balanced charger fully recharges the battery in approximately 230 minutes. The 7.4V input voltage is optimised for the integrated brushed motor and ESC system.
• What is the maximum operating distance and control range? — The UA37 2.4GHz radio system provides approximately 100-metre operational range under standard conditions, making it suitable for medium to large pond and lake environments. The dual-protection system includes low battery alarm and out-of-range warning to alert you if the transmitter signal exceeds safe operational distance.
• Can the INKFISH operate in shallow water and muddy environments? — Yes, the shallow draft water jet propulsion system is specifically designed to navigate shallow and rocky areas without collision or entanglement risks. The jet pump does not exceed the hull power component, allowing free movement in water with minimal depth. However, muddy environments may affect performance—cleaner water provides optimal operation.
• How do the navigation lights work and can they be disabled? — Both front navigation lights and tail-lights are fully controllable from the transmitter, allowing independent activation and deactivation. This enables night-time operation with full positional awareness whilst maintaining the option to disable lights if preferred for daytime operation.
• What happens if the INKFISH capsizes? — Simply press the function key once during normal operation (when the battery is not in low-power state) and the self-righting hull design automatically returns the boat to an upright position. This innovative feature eliminates the frustration of manual recovery and enables continuous uninterrupted boating.
• Is the motor and ESC fully waterproof? — Yes, the integrated ESC features waterproof and dustproof design with a 2 in 1 receiver ESC box. The motor operates with a water-cooling system, and the high-torque 9g steering servo is fully integrated with waterproof engineering. These components are specifically designed for full submersion in water environments.
• What is the difference between the UDI023 brushed model and the UDI023PRO brushless version? — The UDI023 features a carbon brush motor (390SM-5022-66D) with approximately 14km/h maximum speed, whilst the UDI023PRO upgrade uses a more powerful brushless motor (2812-KV3500 specification) delivering approximately 20km/h maximum speed. The PRO version also features an integrated marine ESC with advanced water cooling and radiator, plus enhanced protection systems including overheat and locked motor protection. Choose the standard UDI023 for introductory operation and value, or the PRO version for competitive performance and advanced features.
• What maintenance is required after operation in UK waterways? — Always rinse the boat with fresh water after operation in lakes, rivers, or salt-water environments to remove debris, algae, and mineral deposits. Dry all components thoroughly before storage. The included maintenance tools facilitate post-operation cleaning. Check the battery connectors and steering servo for proper operation before each session.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the UDI RC INKFISH JETBOAT 362mm TURBOJET RTR BRUSHED UDI023 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.