Castle Creations Cobra 6 Sensored ESC

The Cobra 6 ESC is Castle Creations’ newest high-performance electronic speed controller built for demanding 1/7 and 1/6 scale RC applications. Designed for up to 8S LiPo operation, the Cobra 6 combines advanced 32-bit processing, improved data logging, and SmartSense™ technology to deliver smooth throttle response, excellent efficiency, and precise control under heavy load. Built for enthusiasts who demand reliable power and tuning flexibility, the Cobra 6 supports sensored and sensorless brushless systems while offering upgraded telemetry capabilities and a highly adjustable BEC for modern high-performance servos. 📦WHAT’S INCLUDED Cobra 6 ESC Castle Link V4 USB Adapter 300mm Direct Connect Sensor Wire Quick Start Guide Cobra Decals 🔥NEW FEATURES Modern 32-bit processing platform delivers smoother throttle response, faster ESC communication, and improved motor control precision Upgraded onboard data logging system includes: Twice the logging sample rate compared to previous Castle generations Up to 8× longer logging duration Electrical motor timing monitoring Integrated accelerometer data recording Continuous loop logging to prevent missed data Ability to review and download individual driving sessions Expanded tuning capabilities featuring: More refined brake adjustment settings Independent brake and reverse curve control Fully adjustable internal BEC from 5.0V to 8.0V in 0.1V increments Includes Castle Link V4 USB programmer for firmware updates and complete ESC tuning access Updated USB-C interface for faster and more convenient connectivity Compatible with optional B-LINK™ Bluetooth adapter for wireless tuning through the Castle Link 2 mobile app Integrated mounting holes in the aluminum case simplify direct chassis installation 🔥ADDITIONAL FEATURES The Cobra 6 ESC features Castle’s latest 32-bit architecture designed to improve throttle precision, motor control, and overall driving consistency in high-power RC vehicles. Compared to previous Castle ESC generations, the Cobra 6 introduces an upgraded logging system with twice the sample rate, longer recording duration, and expanded telemetry channels including motor timing and onboard accelerometer data. This allows drivers to better analyze traction, gearing, battery performance, and motor efficiency. The ESC supports SmartSense™ technology when paired with compatible Castle 4-pole sensored motors. SmartSense combines smooth sensored startup performance with efficient high-speed sensorless operation for improved drivability and throttle feel. The integrated BEC is adjustable from 5.5 V to 8.0 V in 0.1 V increments with 8 A peak output capability, making it suitable for modern high-voltage servos and demanding steering systems. Built-in USB-C connectivity and Castle Link compatibility allow complete ESC tuning, firmware updates, and data log analysis through Castle’s software platform. The Cobra 6 is designed for 1/7 and 1/6 scale vehicles weighing up to 25 lbs and supports 2S–8S LiPo operation. ⚙️TECHNICAL SPECIFICATIONS Category Details Input Voltage Range 2S – 8S LiPo (8.4 V – 33.6 V) BEC Specifications 5.5 V – 8.0 V adjustable in 0.1 V increments (8 A peak), default 5.5 V Application Guidelines Designed for 1/6 scale RC vehicles weighing up to 25 lbs. Not designed for drag racing or high-speed applications. Running Modes Sensored, Sensorless and SmartSense™ when paired with a compatible Castle 4-pole 12-slot sensored motor Reversible Yes – may be disabled for racing On/Off Switch Yes – Waterproof Cooling Fan Factory equipped 40 mm, fully removable. Fan is not waterproof and must be removed before wet operation. Dimensions (L × W × H) 2.73" × 2.13" × 1.85" (69.5 mm × 54.1 mm × 47 mm) Weight (with wires) 5.75 oz (163 g) Connectors 6.5 mm female bullets for motor connection Required Connectors Use high-current connectors rated 120+ A, such as Castle CC Bullet 6.5 mm, Castle CC Bullet 8.0 mm, or 6.5 mm Polarized Castle Connectors Recommended Batteries 5000 mAh or higher LiPo batteries rated 50C continuous discharge or higher Recommended Motors Castle 4-pole 12-slot sensored brushless motors compatible with the Cobra 6 operating range (2028 800Kv, 1717 1650Kv, 1717 1260Kv) Installation Aluminum case with mounting holes for secure installation Programmability Programmable via included Castle Link V4 USB Adapter and Castle Link 2 software. Optional Bluetooth tuning available with B-Link 2 and Castle Link 2 mobile app. Operating Environment Water-resistant design for wet conditions, but not for full submersion. Rinse after mud or salt exposure. Remove cooling fan before wet driving because the fan is not waterproof. IMPORTANT NOTE: The Cobra 6 is not designed for drag racing or high speed applications. It has built-in safety features that protect against aggressive setups and may limit power. For drag racing and speed runs we recommend using the Cobra 5 ACE and Cobra 5 ACE HV. Applying voltages higher than 33.6V will cause irreparable damage to the ESC. Do not run HV cells exceeding 4.2V per cell when operating at the maximum 8S cell count. Although the Cobra 6 is waterproof, it is not intended for complete submersion in liquid. The cooling fan is not waterproof and must be removed prior to driving in wet conditions.