Hacker C50-11 XL Acro 6.7:1 Competition Motor
Recommended Lipo Battery: 4500mAh-8S
Recommended Prop: APC 21x14E
Recommended ESC: MasterSpin 99A Opto
When motor and the MasterSpin 99A-Opto ESC are used together. you will be able to get the "F3A Brake" that allows you to get constant speed flying performances.