
This is a 8520 53,000rpm 75mm Coreless Brushed Motor+ Propellers Set, .An excellently paired combination of high-efficiency propellers and ultra-fast motor provide an increditable flight experience.

Specification:
Operating Voltage: 3.7-4.2V
Operating Current: 0.08A-0.1A
Speed: 55,000RPM
Motor Diameter: 8mm
Motor Length: 20mm
Output shaft diameter: 1mm
Output shaft length: 7mm
Propeller Length: 75 mm
Propeller Material: Plastic
Propeller Weight: 0.26 g

Installation Guid:
- Before getting started, you need Screwdriver, Cutting pliers, Soldering iron, Voltmeter, Tin lead resin for soldering, spare parts to replace the faulty components, and your patience of course.
- Always disconnect the battery to prevent any short-circuit. Removed all the faulty parts and carefully replaced them with the new ones.

Packing Include :
- CW 720 Coreless motor *2
- CCW 720 Coreless motor *2
- propellers(balck+white) *2