Hobbywing 5320 350KV 8S Heavy-Lift Brushless Motor

The Hobbywing 5320 350KV is a large brushless motor for 8S LiPo heavy-lift and X-class multirotors swinging 16-18 inch three-blade props. Hobbywing rates it at 1520 W output and up to 11.2 kg of thrust per motor.

Key features

• 52.9 x 20 mm stator with 0.2 mm laminations
• Cooling structure integrated into the propeller mount, with anti-slip contact teeth
• Rotor secured by copper washers, retaining clips and screws
• 14 AWG leads, 620 mm long, to reach a central 4-in-1 ESC
• Tested with HQ 16 x 8 x 3, HQ 17 x 8 x 3 and Gemfan 18 x 10 x 3 propellers

Specifications

• KV: 350KV
• Battery: 8S LiPo
• Configuration: 12N14P
• Motor dimensions: 62.1 x 71.1 mm
• Stator: 52.9 x 20 mm
• Shaft: 6 mm
• Bearings: 688ZZ and 698ZZ
• Motor mounting: 30 mm circle, 4 x M4
• Prop mounting: 12 mm circle 2 x M3; 15 mm circle 2 x M3
• No-load current: 3.35 A
• Internal resistance: 26 mOhm
• Rated output: 1520 W
• Max current: 105 A for 57 s
• Max power: 3340 W for 57 s
• Max thrust: 11.2 kg
• Weight: 488 g with leads

Mounting screws, a propeller washer and nut are included. Hobbywing recommends its 100 A 8S 4-in-1 ESC; whichever ESC you use should cover 105 A bursts per motor.