Overview
The Dynamite 3674 4 pole BL Marine Motor 1900Kv (DYNM3915) is a premium brushless inrunner motor specifically engineered for RC boat applications. This brushless marine motor represents an excellent choice for boat enthusiasts in the UK seeking reliable, efficient power delivery for their aquatic RC projects. Whether you're operating a high-performance speedboat, a scale model vessel, or any RC boat that demands smooth, consistent power, this 1900Kv brushless motor delivers the performance characteristics needed for dependable operation on water.
Designed with the modern RC boater in mind, this brushless inrunner motor combines straightforward installation with proven performance. The motor's 4-pole construction provides efficient energy conversion and smooth power delivery that marine applications demand. Unlike complicated motor setups that require extensive tuning, the Dynamite 3674 features fixed timing, which means you can get your RC boat on the water quickly without worrying about complex adjustments. The pre-fitted 5.5mm bullet connectors simplify the installation process, allowing you to focus on enjoying your RC boating experience rather than spending hours on setup.
This brushless RC motor is an ideal solution for boat owners who want to upgrade their marine power systems with proven, professional-grade brushless technology. The 1900Kv rating makes this motor suitable for a wide variety of boat sizes and configurations, particularly those requiring mid-range motor speeds with strong torque characteristics. If you're looking for a brushless motor for your RC boat in the UK, this Dynamite motor offers exceptional value and reliability.
Key Features
- 4-Pole Brushless Inrunner Design — The 4-pole construction provides efficient power delivery and smooth operation, which is essential for maintaining consistent performance throughout extended boating sessions on the water.
- 1900Kv Motor Rating — This Kv specification delivers an optimal balance between speed and torque for marine applications, making it suitable for a wide range of RC boat types and weight configurations.
- Pre-Fitted 5.5mm Bullet Connectors — The connectors come factory-installed on the motor, eliminating the need for soldering or crimping your own connections and allowing for immediate installation into compatible ESC systems.
- Fixed Non-Adjustable Timing — The motor features fixed timing rather than adjustable timing, which streamlines setup and means you won't need to fine-tune timing parameters before using your brushless motor.
- Brushless Inrunner Technology — Inrunner brushless motors offer efficiency advantages, longer lifespan compared to brushed alternatives, and cooler running temperatures during extended use on the water.
- Compatibility with 5.5mm Connectors — This motor works seamlessly with ESCs and power systems that utilise standard 5.5mm bullet connectors, which are widely used across modern RC boat setups.
Technical Performance
The Dynamite 3674 4 pole BL Marine Motor is engineered to deliver reliable performance in demanding marine environments. With a 1900Kv rating and 4-pole brushless inrunner construction, this motor provides the efficiency and smooth power characteristics that RC boating applications require. The brushless design eliminates the brush wear found in older brushed motors, resulting in extended service life and more consistent performance over time. The inrunner configuration allows the motor to be compact whilst still delivering substantial power output, making it ideal for boats where space may be limited or where weight distribution is a consideration. The pre-fitted 5.5mm bullet connectors ensure reliable electrical connections without requiring soldering skills, and the fixed timing setup means your boat can be operational without complex parameter adjustments. This motor is recommended for use with ESC systems that accept brushless inrunner motors with 5.5mm bullet connectors, typically including modern marine-specific electronic speed controllers. The engineering and construction of this Dynamite motor reflects the brand's commitment to quality marine propulsion systems for serious RC boat operators throughout the UK and beyond.
What's in the Box
- Dynamite 3674 4 pole BL Marine Motor with pre-fitted 5.5mm bullet connectors
What You Need to Complete
- Compatible brushless ESC (electronic speed controller) with 5.5mm bullet connectors and support for brushless inrunner motors
- LiPo battery pack suitable for 6S maximum voltage (as the motor is sourced from Sonic Wake boat systems)
- RC boat chassis and hull compatible with brushless inrunner motors
- Radio control system (transmitter and receiver)
- Charger compatible with your battery type
Frequently Asked Questions
- What voltage can the Dynamite 3674 4 pole BL Marine Motor handle? — This motor is designed to work with 6S LiPo battery systems as maximum, making it suitable for moderate to high-performance RC boats without requiring extreme voltage systems.
- Is this brushless marine motor suitable for beginners? — Yes, this motor is suitable for RC boaters of various skill levels. The pre-fitted bullet connectors and fixed timing eliminate complex setup requirements, making it accessible for beginners whilst still offering the performance that experienced operators demand.
- What ESC should I use with this Dynamite motor? — You'll need an ESC specifically rated for brushless inrunner motors with 5.5mm bullet connectors. The source materials mention the DYNM3875 ESC as a compatible option for this motor.
- What makes this 1900Kv rating suitable for my RC boat? — The 1900Kv rating provides a good balance between motor speed and torque, making it versatile for various boat types and sizes without requiring extreme battery voltages or specialised equipment.
- Can I use this motor as a spare part or upgrade? — Absolutely. This motor is listed as compatible with Pro Boat Sonicwake 36, Pro Boat Miss Geico Zelos 36, and Pro Boat Miss Geico Zelos 36 V2 as a spare or upgrade component, though it will work in any compatible RC boat setup that accepts brushless inrunner motors with 5.5mm connectors.
- Why choose a brushless inrunner motor over other types? — Brushless inrunner motors offer superior efficiency, longer operational lifespan without brush maintenance, cooler running temperatures, and more consistent performance throughout extended use compared to brushed alternatives or outrunner designs.
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 DYN 3674 4 pole BL Marine Motor 1900Kv M-DYNM3915 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.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
