Specifier Tools

Motor Torque Calculator

Size the tubular motor needed to drive a roller blind or shade. Adjust the blind geometry and fabric data — required torque and the recommended standard motor class respond live.

Blind Parameters

finished width
m
fabric drop from tube
m
screen 250–400
g/m²
effective winding tube
mm
weighted hem bar
kg/m
1.2 res · 1.3–1.4 comm.
×

Torque Instrument

Required Motor Torque

Nm

Suspended mass split
Fabric Bottom bar

Calculation Breakdown

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