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Lightweight Precision. Reliable Power.
The CRS3000 MKIII (10S) is the evolution of one of the most trusted contra systems in F3A. With major upgrades to durability and cooling, it delivers smooth and responsive power in a compact 490g design — ideal for both mono and biplanes focused on clean, precise flight.
 
📌 MKIII Upgrades
Enhanced main shaft bearing for improved reliability under load
Redesigned gear & belt system: less vibration, more stability
10% torque boost without added current draw
Active cooling through an upgraded motor backplate
New lightweight prop base with more clearance for 23–24" props
 
Whether you're competing or perfecting your sequences, the CRS3000 MKIII is your tool for finesse and stability at every throttle point.