Part NO. Protocol Appearance Input Voltage No-load Speed (7.4V) Stall Torque (7.4V) Stall Current (7.4V) Angle Resolution Motor Type Gear Material Gear Ratio Case Material Dimensions Weight
RP8-U45Half-Duplex UART Dual-Shaft 6.0V-8.4V 0.098 Sec/60° 45 Kg-cm 6A 270° 4096 Coreless DC Motor Steel 273:1 Top/Bottom: Engineering Plastics
Middle: Anodized Aluminium
40×20×40(mm) 66g
HP8-U45Half-Duplex UART Single-Shaft 6.0V-8.4V 0.098 Sec/60° 45 Kg-cm 6A 270° 4096 Coreless DC Motor Steel 273:1 Top/Bottom: Engineering Plastics
Middle: Anodized Aluminium
40×20×40(mm) 67g
RA8-U25Half-Duplex UART Dual-Shaft 6.0V-8.4V 0.15 Sec/60° 25 Kg-cm 3A 270° 2048 Core DC Motor Copper 273:1 Top/Bottom: Engineering Plastics
Middle: Anodized Aluminium
40×20×40(mm) 63g
HA8-U25Half-Duplex UART Single-Shaft 6.0V-8.4V 0.15 Sec/60° 25 Kg-cm 3A 270° 2048 Core DC Motor Copper 273:1 Top/Bottom: Engineering Plastics
Middle: Anodized Aluminium
40×20×40(mm) 64g
RA8-U35Half-Duplex UART Dual-Shaft 6.0V-8.4V 0.22 Sec/60° 35 Kg-cm 3A 270° 2048 Core DC Motor Aluminum 378:1 Top/Bottom: Engineering Plastics
Middle: Anodized Aluminium
40×20×40(mm) 53g
HA8-U35Half-Duplex UART Single-Shaft 6.0V-8.4V 0.22 Sec/60° 35 Kg-cm 3A 270° 2048 Core DC Motor Aluminum 378:1 Top/Bottom: Engineering Plastics
Middle: Anodized Aluminium
40×20×40(mm) 54g