Dualsky CRS3000.13 Contra Rotating FAI F3A Competition 10S Brushless Motor

This is the groundbreaking 3,000-watt-class contra rotating system by Dualsky for FAI F3A competition-level model aircraft.

Features

• All new FAI F3A competition-level contra-rotating system
• Nearly zero propeller reverse torque improves the straightness of the model plane
• 20% higher thrust than the uniaxial systems (compared with DA4) and with lower consumption
• Incredible uniform speed effect can be achieved in the descent/dive route
• Specially developed 3000W high-RPM outrunner motor
• CNC-made pulley and inclined gears, quiet operation
• CNC-made lightweight gearbox bracket
• Main and motor shaft adopt a hollow shaft design

• Weight (g) : 490
• Dimensions of body (mm) : L:86.9 x W:(front)74.8, (rear)95 x H:99.1
• Diameter of Front Shaft (mm) : 6
• Diameter of Rear Shaft (mm) : 16
• Front mounting holes (mm) : 33×33 4-M3
• Rear mounting holes (mm) : [A] 88 2-M3, [B] 70x50 Ф4.2
• Nominal Voltage : 37V
• Battery : 10S LiPo
• Torque @ MAX Power (N*M) : 7.74
• KV of Motor (RPM/V) : 570
• Idle Current : 1.7
• Resistance (Ri)(mOhm) : 16
• Peak current (A)[15s] : 82
• Peak power (W)[15s] : 3034
• Cruising power (W)[8 mins] : 1517
• Recommended ESC : Dualsky SUMMIT 100HV
• Recommended Timing : Auto or 15-18 degrees
• Recommended Frequency : 24KHz
• Recommended Active braking : Enabled
• Recommended Acceleration : Plus or minus soft
• Propeller : (1) 22x18F, 22x20R, 72A@37V, (2) 22x20F, 22x20R, 83A@37V
• Spinner & hubs : Spinner & front prop hub are sold separately. Sleeve maybe needed for some kinds of rear propeller
• Rear stand-offs : Included 2x L30mm M3
• Maintenance interval : 4000mins (Approx. 500 flights)
• Weight of airplane : 4.5kg to 6.5kg
• Applications : Class from 125E to 170E FAI F3A or sports/ scale airplanes (wingspan from 70" to 78")