
Product Description:
                                    ?The groundbreaking 4,000-watt-class contra rotating system for 35CC to 50CC aerobatics and scale model aircrafts
?Nearly zero propeller reverse torque makes airplane run straight when take off
?When using a pair of 24-inch propeller, the maximum thrust is about 15KGf, but with lower power consumption (compared with GA4000)
?The incredible uniform speed effect can be achieved in the descent/dive route.
?Power comes from a specially developed high-end 12S, 4,000W outrunner motor
?CNC made pulley and inclined gears, quiet operation
?CNC made gearbox bracket, strong and accurate 
?Over-sized ball bearing combination
?Carefully deployed gear / belt ratio, the belt tight wheel is backup use only(default no contact)
?Maintenance-free design without adding lubricating oil
?Belt replacement cycle is 4,000 minutes (about 500 flights)
?Supports the before-firewall(front) installation for stunt model aircrafts
                        | Item number | Item name | Weight | 
| 52158 | 
				CRS3000.13 Max 3000W@37V(10S Lipo) for FAI F3A competition  | 
			490g | 
| 52187 | 
				CRS3000.16 Max 3000W@44.4V, 12S Lipo Version  | 
			490g | 
| 52314 | CRS3500.11 MKIII AE | 530g | 
| 52315 | CRS3500.13 MKIII AE | 530g | 
| 52159 | 
				CRS4000.10 Max 4000W@44.4V(12SLipo) for 40cc-60cc models  | 
			700g |