[Gary Bonner]

From the 2003 pneumatics manual:

Approximate weight calculations for custom cylinders, not including the rod clevis or pivot brackets:
3/4" Bore 0.21 lbs. + 0.03 lbs. per inch of stroke
1/2" Bore 0.73 lbs. + 0.08 lbs. per inch of stroke
2" Bore 1.62 lbs. + 0.15 lbs. per inch of stroke