Contra-Rotating Motors

AEO-RC CR28M Contra-Rotating Motor w/ 2-Blades @1050kv

Tested with AEO E-Power 30A ESC No Load Data: 7V : 1.1A w/ 7300RPM 8V : 1.2A w/ 8450RPM 10V : 1.5A w 10300RPM Weight: 100g Max Power: 25A or 320W*2 Dimension: 27.5*70(mm) Length of shaft: 13(mm) Diameter of shaft: 3.0(mm) Tested with 10*6 *2 Propellers Product KV w/Motor Volts Amps Watts RPM Pitch Speed (m/s) Thrust(g) Thrust(oz) Efficiency(g/W) Efficiency(oz/W) CR28M 1100 CR28M 10.0 37.0 370     1400 49.38 3.78 0.13       11.1 42.0 466.2     1560 55.03 3.35 0.12       12.6 44.0 554.4     1610 56.79 2.90 0.10

Price: $59.70

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AEO-RC CR23L Contra-Rotating Motors w/ 2-blades @1100KV

Tested with AEO E-Power 15A ESC * 2 No Load Data: 7V : 1.7 8V : 1.8 10V : 2.0 Weight: 83g Max Power: n/a Dimension: 23*70 Length of shaft: 10(mm) Diameter of shaft: 3.0(mm) Tested with 7035R*3 GWS*2 Propellers Product KV w/Motor Volts Amps Watts RPM Pitch Speed (m/s) Thrust(g) Thrust(oz) Efficiency(g/W) Efficiency(oz/W) CR23L 1100 CR23L 10.0 11.0 110     450 15.87 4.09 0.14       11.1 12.3 136.53     550 19.40 4.03 0.14       12.6 13.8 173.88     675 23.81 3.88 0.14                                                                         Tested with 8040R*3 GWS*2 Propellers Product KV w/Motor Volts Amps Watts RPM Pitch Speed (m/s) Thrust(g) Thrust(oz) Efficiency(g/W) Efficiency(oz/W) CR23L 1100 CR23L 10.0 16.0 160.0     700 24.69 4.38 0.15       11.1 17.7 196.47     820 28.92 4.17 0.15       12.6 20.2 254.52     960 33.86 3.77 0.13                                                                        

Price: $59.70

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