Sheave Combination Selector &
Belt Length Calculator

To determine the correct sheave combination and corresponding belt lengths needed for your application, please fill in the input values below and click the "Calculate" button.

Caution:  Scale is not suitable for electric motor or 3-6 cylinder engines

Inputs
Gear Reduction Ratio
(Enter the X in an X:1 format)
  : 1
Engine Speed (RPM)
Strokes per Minute
Pitch Diameter Driven Sheave
inches
Center Distance
(shaft to shaft)
inches
Results
Revolutions per Stroke
Pitch Diameter Driving Sheave
inches
Belt Length
inches
© 2002 Arrow Engine Company • 2301 E. Independence • Tulsa, OK 74110
918-583-5711 • www.arrowengine.com