Beta Max Beta Lite Manual Del Usuario página 67

Counterbalancing Scaffold Post-Mounted Systems
It is recommend to always use counterbalance when utilizing a hoist system in
conjunction with a scaffold system. To determine the proper amount of
counterweight to use, see the formula below.
When mounting to a scaffold using a vertical post mount, use a 1:1 design factor.
This means that the counterweight must equal the weight of the hoist and the
weight of the load combined. An example of how to determine the proper amount
of counterweight is provided below.
Scorpio Plus (100 pounds) lifting a 400-pound load on a Vertical Post Mount
100 + 400 = 500 pounds total counterweight needed
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