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

Not held in store, ordered as required

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

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")