Flatgekko™ LCG Crawler System

Holmes Hobbies CrawlMaster Mini ESC: Outrunners Go Silent

Holmes Hobbies CrawlMaster Mini ESC: Outrunners Go Silent
Photo: Holmes Hobbies

The CrawlMaster Mini ESC is a new ESC designed for the needs of RC Rock Crawlers! It harnesses the power of 32 bit technology to offer the smooth, quiet, and torque dense driving you desire in an extra small package! The RTR ESC kit is soldered and waterproofed and ready to go!

Recommended Use

It’s recommended 1/10th and smaller Single speed Trail, Scale, and Rock Crawlers such as TRX4 Sport, SCX10, Element Enduro, etc…  8lb limit, subject to gearing, driving style, terrain, etc… 1400kv limit for 4s use until program software allows higher limits. But NOT recommended for two speed vehicles, rock racers, tow rigs, and other high load installations.


It has 32 bit processing power what unlocks advanced algorithms and future upgrades. Exclusive Sinewave Startup (like FOC) but open system and compatible with all motors. Silent operation with most motors, inaudible switching frequency! Intellegent RPM lock at low speed for unmatched control when it matters most. Regular throttle above low speed operation for torque control and less broken parts at speed.

There is no on/off switch that will fail. Overcurrent, temperature, stalled rotor, and throttle loss protection. Automatic cell detection and low voltage protection for LiPo battery. Ultra smooth throttle and strongest drag brake. Opto isolated signal, no internal BEC, it’s mean need to provide own radio power.

USB and Bluetooth programming is also possible. Hold brake, Drag brake, Ramp rate, and additional program features. Universal programmable FOC and Torque Vectoring. Brushless and brushed modes too. Custom Amperage limits for torque limiting.


The Holmes Hobbies CrawlMaster Mini ESC is really silent! You are guaranteed not to hear the switching frequency!


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