RCinPOWER EVO 0702 31800Kv/33800Kv – Choose Type
he RCINPOWER EVO 0702 is an ultra-lightweight motor designed specifically for Tiny Whoop class micro-drones. With a minimal weight of 1.11g–1.15g and high-quality NMB 681Z2Z bearings, it provides high control precision and superior flight dynamics. There are two KV options to choose from, 31800KV and 33800KV, which combine high-tech materials and engineering solutions to ensure maximum efficiency when powered by 1S batteries. The EVO 0702 motors pair perfectly with various types of propellers with a 1mm mounting hole, delivering high power output and unmatched responsiveness.
31800KV – allows for longer flight times (approximately 2–3 minutes on a high-quality 1S battery) while maintaining a huge thrust reserve
33800KVÂ – offers even more explosive acceleration, but places a heavier load on the battery and slightly reduces flight time
$19.99
Features:
- A durable casing and high-quality components ensure reliability during flight
- The use of dual Japanese NMB 681Z2Z bearings ensures perfect smoothness, zero play, and durability
- The stator is made of ultra-thin 0.1mm Japanese steel laminations. This minimizes eddy currents, reduces heat, and increases efficiency
- These motors have a compact size of 11.25mm * 9.6mm and a very low weight, which significantly reduces the drone’s overall mass


- Impedance: 135mΩ
- Voltage (V): 4.2V
- Brand: RCINPOWER
- Color: Green/Pink; Gold/Blue
- Bearing: NMB 681Z2Z
- Idle current: 0.2A
- Motor type: Brushless
- Size (H * W): 11.25mm * 9.6mm
- KV: 31800KV / 33800KV
- Shaft diameter: 1mm
- Shaft length: 3.45mm
- Motor mount holes: 3xM1.4
- Configuration: 9N12P
- Maximum power: 22.7W
- Max current: 5.4A
- Model: EVO 0702
- Weight: 1.11g (31800KV) / 1.15g (33800KV)
- Voltage: 1S
Included:
- 1 x RCINPower Evo 0702 1S Brushless Motor – 31800Kv or 33800Kv












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