Hello, this sander has 7 adjustable speed gears for the belt (variable RPM). The belt size is 13×1.2 inches, converted linear belt speeds (m/s) for each gear are as follows, all with a tolerance of ±5%:
910 RPM → 0.46 m/s
1150 RPM → 0.58 m/s
1250 RPM → 0.64 m/s
1400 RPM → 0.71 m/s
1450 RPM → 0.74 m/s
1550 RPM → 0.79 m/s
1800 RPM → 0.91 m/s
The lowest belt speed is 0.46 m/s, the highest belt speed is 0.91 m/s.
By vevor