Overview
The Spektrum Firma 3660 3200Kv 4-Pole Brushless Motor is a high-performance brushless motor designed for demanding RC applications. This professional-grade motor delivers impressive power output and reliability, making it an excellent choice for RC enthusiasts looking to upgrade their RC car UK setup or build a competitive racing platform. With 1150W of output power on 3S battery configuration, this motor is engineered to provide smooth, consistent performance across a wide range of driving conditions.
Whether you're into ready to run RC cars or custom builds, the Firma 3660 represents Spektrum's commitment to quality and performance. The brushless technology ensures efficient power delivery, reduced maintenance compared to brushed alternatives, and extended lifespan. This motor is particularly suited for users who demand reliability and precision from their RC equipment, from weekend bashers to competitive racers seeking a trustworthy motor for their next project.
As part of Spektrum's respected Firma motor lineup, this 3200Kv 4-pole brushless motor has earned a solid 4.3 out of 5 customer rating, reflecting genuine user satisfaction with its performance characteristics and build quality. The motor's mid-range KV rating makes it versatile enough for various RC applications whilst maintaining excellent power delivery and efficiency.
Key Features
- 3200Kv Motor Rating — The 3200Kv specification means the motor will spin approximately 3200 revolutions per minute for every volt of input, making this a mid-range KV motor that balances speed and torque effectively for general performance driving and racing applications.
- 4-Pole Brushless Design — The 4-pole brushless construction provides smoother operation and more efficient power delivery compared to brushed motors, whilst reducing electrical noise and extending the overall lifespan of the motor through elimination of brush wear.
- 3660 Motor Size — The 36mm diameter and 60mm length dimensions classify this as a 3660-sized motor, a popular standard in the RC community that offers an excellent balance between power output and package size for compact RC car builds.
- 1150W Peak Output on 3S — This impressive power rating on a 3S LiPo battery configuration demonstrates the motor's capability to deliver substantial performance, making it suitable for high-demand driving scenarios and competitive racing where consistent power is essential.
- 4mm Bullet Connector — The standard 4mm bullet connectors ensure reliable electrical connections and broad compatibility with most quality RC speed controllers and battery packs commonly used in UK RC car hobby applications.
- 5mm Shaft Diameter — The 5mm motor shaft diameter is a widely standardised size in the RC industry, providing excellent compatibility with a vast range of pinions, gears, and drivetrain components available from aftermarket suppliers.
- Compact Form Factor — At just 60mm in length and 36mm in diameter, this motor provides substantial power in a package small enough to fit in a variety of RC chassis designs, making it ideal for both standard and space-constrained builds.
Technical Performance
The Spektrum Firma 3660 3200Kv 4-Pole Brushless Motor represents a carefully engineered solution for RC enthusiasts seeking reliable, high-performance power delivery. With dimensions of 1.41 inches (36mm) in outer diameter and 2.36 inches (60mm) in length, this motor has been designed to deliver maximum power output without unnecessary bulk. The 3200Kv rating strikes an excellent balance between rotational speed and torque characteristics, making it well-suited to a wide variety of driving styles from casual weekend use to competitive racing scenarios. The motor's 1150W output on 3S LiPo battery configuration provides the punch needed for dynamic acceleration and sustained high-speed running, whilst the brushless 4-pole construction ensures smooth, maintenance-free operation. The 5mm shaft diameter is industry-standard, guaranteeing compatibility with the widest selection of aftermarket drivetrain components and allowing builders to customise their setup precisely to their needs. Built to Spektrum's recognised quality standards, this brushless RC motor engine is engineered for durability and consistent performance, making it a trusted choice amongst UK RC car enthusiasts and competitive racers alike.
What's in the Box
- Spektrum Firma 3660 3200Kv 4-Pole Brushless Motor (Model SPMXSM2000)
What You Need to Complete
- Brushless Electronic Speed Controller (ESC) compatible with 4mm bullet connectors
- LiPo battery pack (3S recommended for optimal performance at rated 1150W output)
- RC car chassis or model compatible with 3660-sized motor and 5mm shaft pinion
- Pinion gear (5mm bore) matched to your desired gear ratio and ESC configuration
- Battery charger suitable for LiPo battery chemistry
- Motor heat sink (optional but recommended for extended running sessions)
Frequently Asked Questions
- What is the difference between the Firma 3660 3200Kv and other Spektrum Firma motors in the range? — The 3200Kv rating positions this motor in the mid-range of the Firma lineup. Spektrum offers various alternatives such as the Firma 3800Kv 4-Pole (offering higher RPM but potentially less torque) and the Firma 3668 2800Kv 4-Pole (providing lower RPM with increased torque characteristics). Your choice depends on your specific application—higher KV ratings favour speed-oriented setups, whilst lower KV ratings excel in torque-heavy applications.
- Is the Firma 3660 3200Kv motor suitable for beginners? — Yes, this motor is suitable for RC enthusiasts of varying skill levels. The 3200Kv rating provides predictable, manageable performance that isn't overly aggressive, making it appropriate for those learning brushless motor characteristics. However, beginners should ensure they pair it with an appropriate ESC rated for the motor's power output and a compatible LiPo battery with adequate discharge rating.
- What battery does the Firma 3660 3200Kv motor need? — The motor is rated for 1150W output on a 3S LiPo battery configuration, making 3S the recommended choice for optimal performance. The motor will operate on lower cell counts like 2S with reduced output, and may also function with 4S batteries, though this would exceed the rated specifications and may require a suitable speed controller. Always match your battery's maximum continuous discharge rate (C-rating) to your ESC's current capacity to ensure safe, reliable operation.
- What ESC should I pair with the Firma 3660 3200Kv motor? — The motor features standard 4mm bullet connectors, making it compatible with any quality brushless ESC rated for appropriate voltage (2S-4S) and current handling. You should select an ESC with sufficient current rating to safely deliver power to the motor during peak demand. Spektrum offers compatible options in their Avian Smart ESC lineup, available in various amperage ratings to match your specific setup requirements.
- Can this motor be used in different types of RC cars? — Yes, the compact 3660 size and standard 5mm shaft make this motor suitable for various RC car applications, from on-road racing setups to off-road buggies and touring cars. The versatility of this motor size means it can be adapted to many chassis designs, though you should verify compatibility with your specific vehicle before purchase.
- How does brushless technology benefit this motor compared to brushed alternatives? — Brushless motors like the Firma 3660 offer several advantages over brushed motors: they require no brush maintenance, produce cleaner power delivery with less electrical noise, generate less heat during operation, provide better efficiency at converting electrical power to mechanical motion, and typically offer extended lifespan due to elimination of brush wear components.
- What is the customer rating for the Firma 3660 3200Kv motor? — This motor has achieved a solid 4.3 out of 5 customer rating, reflecting genuine user satisfaction with its performance, reliability, and value for money. Real customers appreciate its smooth operation and dependable performance across various driving conditions.
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 SPM Firma 3200Kv 4-Pole BL Motor, 3660 M-SPMXSM2000 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.
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