COPPERHEAD 10 SENSORED 1412-2100KV 5mm COMBO

• Brand: Castle Creations
• Model Number: P-CC010-0166-15
• Combo Type: ESC and Motor Combo
• Scale: 1/10
• ESC Model: Copperhead 10 Performance ESC
• Motor Model: 1412-2100KV
• Motor Type: 4-pole 12-slot sensored brushless motor
• Motor KV Rating: 2100KV
• Motor Shaft Size: 5mm
• Motor Pole Count: 4-pole
• Motor Slot Count: 12-slot
• ESC Input Voltage Range: 2S–4S LiPo
• ESC Running Modes: SMARTSENSE, Sensored Only, Brushed
• Internal BEC: Selectable 5.5V or 7.5V at 6A peak output
• BEC Selectable Through: Castle Link programming
• CRYO-DRIVE Technology: Yes – optimises thermal performance at partial throttle
• Waterproof Rating: Durable injection moulded case with waterproof epoxy potting
• Cooling Fan: 30mm removable fan with dual-use fan guard
• Motor Sensor: Included with sensor harness
• SmartSense Technology: Yes – cog-free sensor-based starts with automatic transition to sensorless running
• Data Logging: Data Logging Lite (via Castle Link Programming Suite on Windows PC)
• Data Captured: Battery voltage, battery ripple, controller temperature, motor RPM, motor temperature
• Programming Options: Transmitter programming interface-free mode, Castle Link USB programming (coupon included), optional wireless programming via B-Link Bluetooth Adapter with Castle Link app
• Transmitter Compatibility: Compatible with S.BUS2 Telemetry Link and Futaba T4PX, T7PX, T7PXR transmitters
• Telemetry Ready: Yes – supports S.BUS2 Telemetry Link (Castle Creations Telemetry Link sold separately)
• Audible Alerts: Yes – for diagnostics including motor over-temperature and low-voltage cutoff
• Audible Alert Reference Chart: Included with decals
• Transmitter Programmable Settings: Low-voltage cutoff, brake/reverse type, brake amount, drag brake, motor type, motor direction
• Suitable For: 1/10 scale bashers, trail trucks, rock crawlers, on-road cars, touring builds, short course trucks, monster trucks
• QuietSense Technology: Mentioned as innovative advancement for sensored motor precision and startup efficiency
• What's Included in Box: Copperhead 10 ESC with sensor harness, 1412-2100KV 5mm sensored motor, Copperhead decals, Audible Alert Reference Chart, Copperhead Quick Start Guide, sensor port dust cover, Castle Link USB programming kit coupon
• Barcode: 0819326012617

Overview

Meet the COPPERHEAD 10 SENSORED 1412-2100KV 5mm COMBO – a completely new design from Castle Creations that rounds out their 1/10 scale offerings, positioned between the SIDEWINDER 4 as the entry-level upgrade and the MAMBA X as the extreme performance option. This ready-to-run RC car combo pairs the high-performance Copperhead 10 ESC with the versatile 1412-2100KV 5mm sensored motor, delivering smooth startups, strong low-end control and efficient top-end power for 1/10 scale builds. Whether you're looking for a brushless RC car UK that excels on the trail, the track, or anywhere in between, this combo has been thoroughly tested in all types of conditions and performs as aggressively or as stealthily as desired.

The Copperhead 10 takes to the open road as well as it takes to no road at all, making it ideal for bashers, trail trucks, rock crawlers, on-road cars, touring builds, short course trucks and 1/10 monster trucks. Throughout its development, this ESC and motor combo has been put to the test and performed reliably in all conditions. Whether you're dominating the gates on the trail or throwing dust on the dirt track, the Copperhead is power hungry when you need it and oozes smooth low-end power for technical low RPM performance. If your rig is outfitted with high-power servos or additional torque-increasing modifications, there is no need to worry about brown-outs, glitching or slow actuating servos – the Copperhead provides clean and constant power throughout your driving sessions.

This combo represents serious torque and versatility. The 1412 series motors are designed as the "big brother" to the 1406 and 1410 motors, offering 9.8 mm extra length compared to the 1410 and capable of handling more voltage input – approximately the same as the 1415 motor but in a smaller, more compact space. The 5mm shaft size option ensures extra durability when your vehicle's massive power and torque requirements demand it, making this the perfect choice for anyone seeking a high-performance brushless RC setup that delivers dependable control in a compact, easy-to-install footprint.

Key Features

• CRYO-DRIVE Technology — This innovative Castle Engineering advancement minimises the amount of time the ESC's electrical components spend generating heat by optimally controlling which components are being used whilst driving the motor, thousands of times per second. This greatly reduces the rate at which the ESC heats up, resulting in significantly improved thermal performance during partial throttle operation where the majority of driving occurs, allowing your setup to handle higher gear ratios in heavier vehicles with longer running sessions.
• Sensored Motor Support with SmartSense Technology — The combo includes sensored motor support that enables SmartSense software (enabled by default in the Castle Link Programming Suite), which uses the motor's sensors to provide cog-free starts, excellent torque and low-speed drivability. Once the motor is turning, it seamlessly transitions to Castle's ultra-efficient sensorless mode with electronic timing that advances automatically for peak performance in all driving conditions, delivering smooth sensored startups and high-efficiency sensorless running that produces more power and less heat.
• Selectable Internal BEC (5.5V or 7.5V at 6A Peak) — The Copperhead 10 features a user-selectable internal Battery Eliminator Circuit that you can configure through Castle Link, allowing you to choose between 5.5V or 7.5V output at a 6A peak current. This provides clean and constant power to your high-power servos or additional torque-increasing modifications, eliminating concerns about brown-outs, glitching or slow servo actuation.
• 4S LiPo Battery Support (2S-4S ESC Range) — The ESC accepts input voltage from 2S to 4S LiPo batteries, giving you flexibility in battery selection and allowing you to scale power delivery to match your vehicle's requirements and your driving style.
• Multiple Running Modes — Three running modes are available: SMARTSENSE for sensor-enabled startup and seamless transition to sensorless running, Sensored Only for dedicated sensored operation throughout your run, and Brushed mode for compatibility with brushed motors if needed, providing maximum flexibility for different driving scenarios.
• Data Logging Lite Technology — The Copperhead 10 captures and records critical performance data including battery voltage, battery ripple, controller temperature, motor RPM and motor temperature via the Castle Link Programming Suite on Windows PC. This data can be downloaded and analysed to help you optimise gearing and battery life, providing insights into your setup's performance characteristics.
• Waterproof Construction — The ESC is housed in a durable injection moulded case and potted in waterproof epoxy to protect the electronics and promote efficient heat transfer, making it suitable for wet conditions and demanding off-road environments.
• 30mm Removable Cooling Fan with Dual-Use Fan Guard — A 30mm removable fan helps dissipate heat during high-performance runs, whilst the dual-use fan guard features the cool Copperhead logo and can be easily installed for extra protection. For crawler setups or others that don't require an ESC cooling fan, the fan is easily removed with four screws and the fan guard simply clicks back into place on top of the ESC.
• Audible Alert Diagnostics — The ESC emits audible alerts to notify you via audible chimes of possible issues with calibrations and error conditions, helping diagnose problems such as motor over-temperature and low-voltage cutoff. A handy reference chart decal is included with eight alert tones so you can quickly identify issues without needing to consult manuals.
• Castle Link Programming Suite with USB Adapter Coupon — A coupon for the Castle Link USB programming adapter is included with your purchase, allowing you to access the full programming suite on your Windows PC. Through Castle Link you can access all firmware updates and additional feature sets from Castle Engineering, download and analyse your Data Logs, use intuitive Demo Mode, and save setup profiles for multiple vehicles.
• Wireless B-Link Bluetooth Programming (Optional) — You can now wirelessly programme your ESC settings using the free Castle Link Mobile App available on the Apple App Store or Google Play for Android devices, paired with the optional B-Link Bluetooth Adapter (sold separately), offering compact and lightweight in-vehicle installation for anytime programming flexibility.
• S.BUS2 Telemetry Compatibility — The Copperhead 10 is telemetry-ready and compatible with S.BUS2 Telemetry Link, enabling owners of Futaba T4PX, T7PX and T7PXR transmitters to purchase the Castle Creations Telemetry Link accessory and monitor real-time data such as ESC temperature, voltages and RPM to ensure performance advantages and eliminate unknown parameters.
• Interface-Free Transmitter Programming — You can set essential parameters such as low-voltage cutoff, brake/reverse type, brake amount, drag brake, motor type and direction using your transmitter's programming interface without connecting to a computer, providing immediate plug-and-play installation and calibration.
• 1412-2100KV 5mm Sensored Motor — The included motor features the newest additions to the 1412 series, designed as cool-running torque monsters that are the "big brother" to the 1406 and 1410 motors. These motors are 9.8 mm longer than the 1410 and can handle more voltage input whilst remaining compact, offering exceptional power delivery in a space-efficient package with the durability of a 5mm shaft.

Technical Performance

The COPPERHEAD 10 SENSORED 1412-2100KV 5mm COMBO delivers exceptional performance through the synergy of advanced ESC and motor engineering. The Copperhead 10 ESC accepts 2S to 4S LiPo battery input, providing flexibility for different power requirements across various 1/10 scale RC vehicles. The 1412-2100KV motor is a 4-pole, 12-slot sensored brushless motor specifically engineered for serious torque output, making it ideal for crawlers requiring smooth low-RPM control whilst maintaining the capability to deliver strong acceleration and top-end power when needed. The motor's 2100KV rating offers an excellent balance between torque and speed, providing the low-end grunt needed for technical terrain and the efficiency necessary for extended running sessions. The 5mm shaft construction ensures exceptional durability, making this combo suitable for high-stress applications and heavier vehicles where a standard 1/8" shaft might prove insufficient. CRYO-DRIVE technology fundamentally changes thermal management by reducing electrical component heating during partial throttle operation – the condition in which most RC driving occurs – allowing extended run times without thermal throttling. The durable injection moulded case combined with waterproof epoxy potting provides protection against the elements whilst promoting efficient heat transfer away from critical components. The selectable 6A peak BEC output at either 5.5V or 7.5V ensures adequate servo power even with high-torque or high-speed servos, eliminating the need for external BEC units in most applications. The dual running mode capability – utilising SmartSense technology for sensored startup and seamless transition to sensorless running – optimises both low-speed performance and high-speed efficiency, delivering more power whilst generating less heat. This is a purpose-built combo for 1/10 scale bashers, trail trucks, rock crawlers, on-road cars, touring builds, short course trucks and monster trucks, engineered to perform reliably in all weather conditions and driving scenarios.

What's in the Box

• Copperhead 10 ESC with sensor harness
• 1412-2100KV 5mm sensored motor
• Copperhead decals
• Audible Alert Reference Chart
• Copperhead Quick Start Guide
• Sensor port dust cover
• Castle Link USB programming kit coupon

What You Need to Complete

• 2S, 3S or 4S LiPo battery (compatible with your vehicle and desired power level)
• Battery charger (recommended: dedicated LiPo charger)
• RC transmitter and receiver (compatible with your vehicle)
• Vehicle chassis and body (1/10 scale compatible)
• Optional: Castle Link USB adapter (coupon included – redeem for free adapter)
• Optional: B-Link Bluetooth Adapter for wireless programming via mobile app
• Optional: Castle Creations Telemetry Link for S.BUS2 (if using compatible Futaba transmitter)

Frequently Asked Questions

• Is the Copperhead 10 suitable for beginners to RC cars? — Yes, the Copperhead 10 is well-suited for those new to brushless RC cars. The combo provides simple plug-and-play installation with automatic calibration, interface-free transmitter programming for essential settings, and SmartSense technology that delivers smooth, cog-free starts even at low speeds. Beginners appreciate the audible alert diagnostics that help identify issues quickly, and the included Quick Start Guide makes getting started straightforward. As your skills develop, the advanced Castle Link Programming Suite allows deeper customisation, ensuring the combo grows with your experience.
• What batteries are compatible with this combo? — The Copperhead 10 ESC accepts 2S, 3S and 4S LiPo batteries, giving you flexibility in battery selection. For the 1412-2100KV motor paired with this ESC, most users find 3S or 4S LiPo batteries deliver the optimal balance of performance and run time, depending on your vehicle's weight and intended use. Always consult your vehicle manufacturer's battery recommendations to ensure compatibility with your specific chassis.
• What makes the 1412-2100KV motor different from other motors in the Castle range? — The 1412-2100KV is a new addition to the 1412 series and serves as the "big brother" to the 1406 and 1410 motors. It measures 9.8 mm longer than the 1410, allowing it to generate serious torque whilst remaining compact. It can handle approximately the same voltage input as the larger 1415 motor but in a smaller space, making it versatile across different 1/10 scale applications. The 5mm shaft option provides exceptional durability compared to standard 1/8" shafts, making it ideal for heavy vehicles or high-stress driving conditions.
• Can I programme the ESC with my transmitter? — Absolutely. The Copperhead 10 supports interface-free transmitter programming, allowing you to set six common settings including low-voltage cutoff, brake/reverse type, brake amount, drag brake, motor type and direction directly through your transmitter. For more detailed customisation, you can use the Castle Link Programming Suite on a Windows PC (adapter coupon included) or wirelessly with the optional B-Link Bluetooth Adapter and Castle Link mobile app for iOS and Android.
• Does this combo work with my Futaba transmitter? — The Copperhead 10 is compatible with S.BUS2 Telemetry Link and works specifically with Futaba T4PX, T7PX and T7PXR transmitters. If you own one of these transmitters, you can purchase the Castle Creations Telemetry Link accessory to monitor real-time ESC temperature, voltages and RPM data during your runs.
• What is CRYO-DRIVE technology and why does it matter? — CRYO-DRIVE is Castle's thermal management innovation that minimises the amount of time the ESC's electrical components spend generating heat by intelligently controlling which components are active during operation, thousands of times per second. This dramatically reduces heat generation during partial throttle operation – where most RC driving occurs – resulting in improved thermal performance, extended run times with higher gear ratios, better performance in heavier vehicles, and longer overall session duration without thermal throttling.
• Is the ESC waterproof for wet conditions? — Yes. The ESC is housed in a durable injection moulded case and potted in waterproof epoxy to protect the electronics and promote efficient heat transfer. This makes it suitable for wet conditions and demanding off-road environments, though you should still avoid submerging the ESC and ensure proper drying after use in very wet conditions.
• Can I remove the cooling fan if I don't need it? — Yes. For crawler setups or other applications where an ESC cooling fan isn't necessary, the 30mm fan is easily removed using four screws. The dual-use fan guard with the Copperhead logo simply clicks back into place on top of the ESC, maintaining the aesthetic appearance whilst providing extra protection.
• What data does Data Logging Lite capture? — Data Logging Lite captures battery voltage, battery ripple, controller temperature, motor RPM and motor temperature. This data is recorded during your runs and can be downloaded and analysed via the Castle Link Programming Suite on Windows PC, allowing you to optimise gearing, battery selection and driving technique to maximise performance and extend battery life.
• What is SmartSense and how does it improve performance? — SmartSense is Castle's advanced startup technology that uses the motor's internal sensors to provide smooth, cog-free starts and excellent torque during low-speed operation. Once the motor reaches normal running speed, the ESC automatically transitions to Castle's ultra-efficient sensorless mode with electronic timing that continuously advances to optimise performance. This dual-mode approach delivers more power and less heat compared to sensorless-only operation, making it ideal for both technical low-RPM driving and high-speed performance.

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 COPPERHEAD 10 SENSORED 1412-2100KV 5mm COMBO 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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