The EMAX ES08MA II is a compact and lightweight brushless motor that offers high efficiency, reliability, and durability. It is designed to provide a high power-to-weight ratio, making it suitable for applications where space and weight are limited.
Even a robust metal-gear servo can fail. Here is how to interpret the datasheet to prevent disasters. Emax Es08ma Ii Datasheet
Compared to the nylon gears of the ES08A (plastic version), the metal gears provide: The EMAX ES08MA II is a compact and