UDI RC INKFISH JETBOAT 362mm TURBOJET RTR BRUSHLESS UDI023PRO

Overview

The UDI RC INKFISH JETBOAT 362mm TURBOJET RTR BRUSHLESS is a premium ready-to-run RC jetboat that brings high-speed water-based thrills to enthusiasts of all skill levels. This advanced brushless RC jetboat combines innovative engineering with practical design features that make it one of the most capable miniature watercraft available in the UK market today. Whether you're a seasoned RC enthusiast or exploring brushless RC technology for the first time, this ready-to-run jetboat offers an exciting blend of performance, durability and intelligent features that set it apart from conventional RC boats.

Measuring 362mm in length with a distinctive shallow V-shaped hull design, the Inkfish JetBoat features a high-strength ABS simulated hull that delivers superior underwater performance and exceptional manoeuvrability. The advanced water-jet propulsion system allows you to navigate freely through shallow and rocky areas without fear of collision or entanglement with underwater obstacles, making this one of the most versatile RC vessels for UK waterways. The self-righting hull design means that even if your boat capsizes, it will automatically return to normal with the press of a button—eliminating the frustration of retrieving an overturned model and getting you back to the action in seconds.

This is not just a toy; it's a sophisticated piece of RC engineering that delivers genuine performance. The brushless motor system, professional-grade water-cooled ESC, and intelligent 2.4GHz radio system make this an ideal choice for those seeking a competitive advantage in RC boating or simply wanting the best possible experience on their local pond or reservoir.

Key Features

• Brushless Motor System (2812-KV3500) — The professional-grade brushless motor delivers efficient, high-output power whilst running cooler and longer than conventional carbon brush motors, giving you extended play sessions with more consistent performance throughout the flight.
• Water-Cooled Marine ESC with Integrated Radiator — Rather than relying on standard air cooling, this innovative waterproof ESC design incorporates direct water cooling and an integrated radiator system, meaning the electronics are actively cooled by the surrounding water environment, preventing overheating during extended high-speed runs and ensuring maximum reliability in demanding conditions.
• Shallow V-Shaped Hull Design with 32-Degree Dead Rise Angle — The carefully engineered hull geometry provides exceptional stability and allows the jetboat to maintain control even in challenging water conditions, whilst the shallow draft means you can navigate areas where traditional propeller-driven boats cannot go without running aground or damaging their underwater components.
• Spray Pump Jet Propulsion System — Unlike conventional propeller-driven RC boats, this innovative spray pump structure uses a hidden jet propeller system that avoids entanglement with debris, has no strict restrictions on water depth, and delivers superior propulsion efficiency as the motor pressurises water flow through engineered blades for better thrust and manoeuvrability in the water.
• Self-Righting Hull Design — Press the function key once when in normal operation mode and the boat automatically rights itself after capsizing, eliminating the tedious task of wading into the water to retrieve your model and keeping the fun going without interruption.
• Dual Navigation Lighting System — Controllable front and tail-lights allow you to drive at night whilst keeping constant awareness of the ship's position and attitude, adding an entirely new dimension to RC boating enjoyment and making evening sessions on the water genuinely exciting.
• Rubber Anti-Collision Strip Design — An embedded anti-collision rubber strip in the bow of the ship effectively reduces hull damage caused by collision, protecting your investment and keeping repair costs minimal during energetic flying sessions.
• UA37 2.4GHz Long-Range Radio System — Equipped with a professional-grade wireless control system offering extended range of approximately 100 metres, high output power, dual protection via low battery alarm and out-of-range alarm, allowing you to maintain constant awareness of your boat's status and never worry about losing signal or losing sight of your model.
• Waterproof Steering Gear (9g High-Torque) — A fully integrated waterproof servo with high torque output ensures responsive, precise directional control even in demanding water conditions and active use, providing the control authority you need for aggressive manoeuvres.
• 4-Channel Receiver with Built-In Gyroscope — The integrated gyroscope assists with directional stability, helping you maintain control especially in challenging conditions, whilst the 4-channel receiver provides full command over forward, reverse, left turn, and right turn functions.
• Built-In Safety Protection Systems — Low voltage detection prevents battery damage during discharge, overheat protection safeguards the motor and ESC during extended runs, and locked motor protection prevents damage if the jetboat becomes stuck, giving you peace of mind during operation.
• Complete Ready-to-Run Package — Everything you need to get on the water is included in the box: the fully assembled jetboat with integrated ESC and motor, the 2.4GHz transmitter, rechargeable 7.4V lithium battery with balanced USB charger, user manual, and maintenance tools—no additional RC model purchases required to start enjoying your boat immediately.

Technical Performance

The UDI Inkfish JetBoat delivers impressive real-world performance thanks to its engineering excellence and high-quality components. Powered by a 2812-KV3500 brushless motor that weighs just 49.4 grams and measures only 21mm in length, this compact powerplant generates significant thrust whilst maintaining minimal weight and rotating diameter. The motor interfaces with a marine-grade water-cooled ESC featuring innovative design that integrates both a water cooling jacket and radiator for active thermal management. The 7.4V 2000mAh lithium battery provides approximately 8–10 minutes of continuous playing time depending on driving style, whilst charging takes approximately 230 minutes using the supplied USB balanced charger with 1500mA maximum output. Top speed reaches approximately 20km/h, providing thrilling acceleration and high-speed runs across open water. The hull measures 362mm overall length, 127mm beam width, and 110mm height, with a total model weight of approximately 659 grams, resulting in a compact, manageable jetboat that is portable enough for any water venue yet substantial enough to resist wind interference during operation. The shallow V-shaped hull with a 32-degree dead rise angle provides excellent stability and control, whilst the innovative jet propulsion system eliminates the entanglement hazards associated with traditional exposed propellers. All electronics feature comprehensive waterproof and dustproof design, making this a genuinely water-resistant RC vessel capable of handling serious usage in authentic water environments. The 2.4GHz radio system operates at approximately 100 metres range, providing more than sufficient control distance for recreational and competitive use, with dual redundancy via low battery warning and out-of-range alarm ensuring you always know your transmitter and boat status.

What's in the Box

• Fully assembled jetboat with integrated ESC and brushless motor (2812-KV3500)
• UA37 2.4GHz transmitter with built-in controls for forward, reverse, turning and navigation lights
• 7.4V 2000mAh 2-cell lithium rechargeable battery
• USB balanced charger (7.4V output, 1500mA maximum)
• User manual with assembly and operation instructions
• Maintenance tools for basic servicing and adjustment

What You Need to Complete

• Four AAA batteries (1.5V) for powering the transmitter—these are standard consumer batteries readily available from any supermarket or electronics retailer

Frequently Asked Questions

• Is the UDI Inkfish JetBoat suitable for beginners to RC boating? — Yes, absolutely. This ready-to-run brushless RC jetboat comes fully assembled and ready to operate straight from the box, requiring no building or soldering. The self-righting hull design means you won't spend your time retrieving overturned models from the water, and the intuitive 2.4GHz transmitter with simple forward/reverse/turn controls is straightforward for new operators to master. The integrated gyroscope provides additional stabilisation assistance, making it forgiving during the learning curve.
• What is the battery included with this jetboat and how long does it last? — The UDI Inkfish includes a 7.4V 2000mAh lithium battery that provides approximately 8–10 minutes of continuous playing time per charge, depending on driving style and intensity of use. A new balanced USB charger is also included, meaning you can immediately recharge after each session using any standard USB power source.
• How does the jet propulsion system compare to traditional propeller boats? — The spray pump jet propulsion system offers significant advantages over conventional RC boats. The hidden propeller cannot become entangled with reeds, weeds or debris, there are no strict restrictions on water depth, and the motor pressurises water flow through engineered blades to achieve better propulsion efficiency and control. This makes the Inkfish far more suitable for natural water environments including shallow, rocky areas where traditional propeller boats risk damage.
• What makes this brushless model different from the carbon brush version? — The brushless motor (2812-KV3500) is more efficient, runs cooler, requires less maintenance, and delivers more consistent power output throughout the battery's discharge cycle compared to the carbon brush 390SM-5022-66D motor found in the standard UDI023 model. The water-cooled marine ESC with integrated radiator provides superior thermal management during extended runs.
• What is the radio control range and is it reliable? — The UA37 2.4GHz radio system provides approximately 100 metres of control range, which is more than sufficient for recreational boating on ponds, lakes and reservoirs throughout the UK. The system includes dual protection via low battery alarm (warning you when transmitter batteries are running low) and out-of-range alarm (alerting you if the boat travels beyond effective control distance), ensuring you always maintain awareness of your boat's operational status.
• Can I drive this jetboat at night? — Yes. The controllable front navigation lights and tail-lights allow you to operate the boat after dark, keeping constant track of the vessel's position and attitude. This feature adds an exciting new dimension to RC boating and makes evening sessions on illuminated water venues genuinely possible and enjoyable.
• Is everything waterproof? — The electronics feature comprehensive waterproof and dustproof design. The marine ESC incorporates innovative waterproof engineering, the 4-channel receiver is fully sealed, and the steering gear is a high-torque integrated waterproof unit. This level of protection ensures the boat can be used in authentic water environments with confidence.
• What happens if the boat capsizes? — The self-righting hull design automatically returns the boat to normal operation when you press the function key once (in non-low-power mode). This means you don't need to wade into water to retrieve an overturned model, and you can continue enjoying your session without interruption.

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 BRUSHLESS UDI023PRO 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.