The RAPID UDI009 is designed to be fast, reliable and easy to drive.

The motor is fitted with a water-cooling system that helps keep the RAPID cool for longer run times and all-day fun. With a waterproof electronic speed controller, waterproof high-torque servo, and waterproof receiver box, the fun on the lake won't end prematurely because of wet radios.With a stable 16-inch deep V-shaped hull, stylish hatch, new graphics, and powerful water-cooled engine, the RAPID is ready to make waves. Steerable outdrives with adjustable trim provide precise control and high-performance tuning options.
The UDI009 is a fast, reliable, easy-to-drive RC boat designed to run right out of the box. It is one of the deep V-shaped hulls used in UDIRC. They are affordable and have many replaceable and upgradeable parts, making it a versatile, low-cost RC boat that performs quite well out of the box, with plenty of room for modifications. In this review, I'm going to look at this RC boat as a standalone product, so let's take a look.

Design Specification:

Product number: UDI009;
Product name: 2.4Ghz Speedboat;
Body Specification: 42.4*11.4*8.9CM;
Steering gear:
Remote control category: Wireless Remote Control;
Remote control distance: about 150 meters;
Remote control time: about 15minutes;
Remote control battery: 4×1.5V, AAA battery (not included);
Speed: approximately 20 km/h；
Battery capacity: 7.4v 1500mAh.

What is included in the pack?

The box contains almost everything you need to run the transmitter (except the 4 AAA batteries needed to power the transmitter). Specific instructions:

• Boat itself comes with all electronics, including motor, ESC and receiver
• 2.4GHz transmitter wireless control system, long range, high output, 2.4GHZ signal
• Battery USB charger.If you are interested in RC modelling, I suggest you choose a better charger according to this guide.
• Instruction Manual.

The product is well packaged, even if the packaging has been abused, I expect the boat and major components to arrive intact.

Feasures of the UDI009 Boat:

• Waterproof design with double-layer boat cover;
• Model grade remote control handle;
• Over distance alarm;
• Low voltage descending speed;
• Automatic yaw correction;
• Out-of-water sensor protection;
• Boat capsize reset;
• Water-cooling system.

Component Review:

According to my current review criteria, we will take a closer look at the main components of the RC boat, detailing the parts of the UDI009 RC boat, and after understanding the performance of this RC boat, I can conclude why I like this RC boat. Next I will introduce the components of the UDI009 RC boat.

Why do I need a water cooling system for my UDI009 RC boat?

The designers of the UDI009 specifically designed a water cooling system for the motor. This is not a fancy gimmick, but a real performance enhancer. Imagine we are playing outdoors in the summer, the sun is hot, if the motor is overheated, the boat may go on "strike". But this water cooling system is like installing a "small air conditioner" for the motor, so that it can remain "cool" even under high temperatures, so that the RC boat can continue to run stably and no longer shorten the playing time due to overheating. Moreover, no matter you are in the morning or at night, sunny or rainy day, as long as there is water, this RC boat can bring you fun. That's because the water cooling system gives it the ability to operate in all weather. So, if you want an RC boat that can spend the whole summer with you, UDI009 is definitely the right choice for you!

Does the receiver and ESC of UDI009 RC boat adopt waterproof function?

Let's talk about the "waterproof secret" of this RC boat. Imagine if you are playing by the lake or swimming pool, and suddenly it starts to drizzle, or the naughty waves wet the RC boat, what would you do? Don't worry, UDI009 has long considered this for you. Its receiver and ESC have been carefully designed and specially treated, just like putting a layer of "rain coat" on them, to ensure that they can work normally without being affected by wet or slight splashing environment. So the next time you go out to play with your UDI009 RC boat, you don't have to worry about it going "on strike" even if the sky suddenly changes its face or your RC boat accidentally "takes a bath". It is just like your intimate little friend, and it can accompany you to have fun anytime and anywhere!

What is the difference between the remote control for the UDI009 RC boat and other remote controls?

UDI009 RC boat is equipped with UA13 2.4GHz radio system, no need for cumbersome frequency management, so you can directly plunge into the passion of the water world. On the lake or the sea, several UDI009 can compete side by side without interfering with each other, enjoying the fun of racing. the advanced programming of UA13 ensures the stability and reliability of the RC boat, even under long-distance manoeuvring, it can also maintain smooth operation, with a very low failure rate. It allows you to enjoy the pleasure of riding on the water to the fullest.

What is the battery performance of the UDI009 RC boat?

The battery is an original 1500mAh Li-ion battery, sized to fit the car, which provides good power and battery life, and can provide up to 15 minutes of driving for the RC boat. Replacement batteries are available for sale but at a slightly higher price, so I would recommend that you buy the dual battery version if possible when purchasing your car, so you can stop worrying about buying other accessories and focus more on the driving fun.

Conclusion:

I realised that as a buyer was more concerned with how much fun the UDI009, an RC boat, would give them, rather than focusing on the technical aspects. The fact is that the RC boat is very agile and fast. It only performs well if there is water and it can hold its size, and the RC range is large enough to control the RC boat well before it gets too small to see. I think if we keep in mind that this is a good value RC boat, it will be fun to drive and good value for money.