RCinpower EVO 0702 33800Kv

RCinpower EVO 0702 33800Kv is a lightweight motor suitable for 1S 65mm Tinywhoops with 1.2" tri-blade propellers. Compared to the 31800Kv version, it has a higher Kv, allowing it to spin up the propeller faster, respond more sharply to throttle input and deliver higher thrust. It is therefore suitable for racing indoor builds and aggressive freestyle. It weighs only 1.15 grams without wires. The 7x2mm stator with a 9N12P configuration is made of thin 0.1mm steel laminations that reduce magnetic losses and improve efficiency. The 1mm diameter shaft rotates in two NMB 681Z2Z bearings for smooth operation and longer lifespan.

At 4.2V with an HQProp 1.2x1x3 propeller, the motor delivers up to 43g of thrust at a current draw of 5.6A. That is 2g more than the 31800Kv version, at the cost of approximately 0.3A higher current draw. Peak efficiency, over 84%, is achieved in the 1-2A range, corresponding to low and mid throttle. The higher current draw places greater demands on the battery, so we recommend 1S batteries with sufficient discharge capability.

The motor is mounted with three M1.4 screws on a 6.6mm diameter pattern, making it compatible with standard 65mm frames for 0702 motors. With a diameter of 9.6mm and a length of 7.8mm, it ranks among the smallest brushless motors for FPV.