Overview

Push your boat to its limits. The Castle Hydra Cobra 5 HV is a next-generation marine ESC designed for RC hobby boats up to 50 inches. Built on the same proven technology as the Cobra 5 HV surface ESC and re-engineered for water, it delivers uncompromising 12S / 50.4 V power, data-rich performance monitoring, and bulletproof protection.

In The Box

• Hydra Cobra 5 HV ESC
• Cobra decals
• Castle Link V4 USB Adapter
• Cobra Quick Start Guide

Features

• 32-Bit processing power for smoother motor control and improved response time.
• Enhanced Data Logging includes:
  • Double the maximum sample frequency of older generations.
  • 8x increased logging time of older generations.
  • ESC electrical motor timing data.
• Acceleration data via onboard accelerometer.
• Looping feature prevents interruptions in data log recording.
• Additional tuning features include:
  • Limp Mode makes return to shore easier when low voltage cutoff is activated.
• Highly adjustable internal BEC (5.0V – 8.5V adjustable in 0.1V increments)
• Access to tuning options and firmware updates for free with Castle Link V4 USB programmer included with purchase or the Castle Link 2 App and a B-Link 2 Bluetooth Interface.
• Upgraded current-sensing and thermal protection system actively mitigates the risk of failure in aggressive or high-load setups.

• CRYO-DRIVE Technology minimizes the amount of time the ESC’s electrical components spend generating heat, resulting in improved thermal performance during partial throttle operation where most driving occurs
• Wirelessly optimize your setup with the convenience of the new B-Link2 Bluetooth Interface and Castle Link 2 app for Android or iOS.
• ESC is housed in a rugged CNC aluminum case and potted in waterproof epoxy to protect the electronics and promote efficient heat transfer.
• Machined water-cooled heatsink with 0.17″ water fittings.
• Auxiliary wire functionality for “on-the-fly” adjustments using your transmitter
• Audible alerts for easy diagnosis of common issues such as motor-over-temperature and low-voltage cutoff
• Convenient transmitter programming for six common adjustable settings including cutoff voltage and drag brake