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Block & Tackle Balances
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Block & Tackle Balances
Constant Force Balances
Block & Tackle Balances
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PRODIGY™
Caldwell’s inverted mount Block & Tackle Balance for tilt applications: the PRODIGY™ balance features a field replacement built-in carrier: installed without a notch out. PRODIGY™ succeeds AAMA Class 2 with a weight capacity of 1-45 lbs and length of 7-46 inches.
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APEX®
An extended travel Block & Tackle Balance for sideload applications: Caldwell’s APEX® balance is available with multiple end guide configurations, for different jamb sizes. APEX® succeeds AAMA Class 2 with a weight capacity of 2-53 lbs.
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Series 77t
A traditional Block & Tackle Balance for tilt applications: Caldwell’s Series 77t balance is available in both with bobbin or stirrup options and Screw or Hook mounting options. Series 77t succeeds AAMA Class 2 with a weight capacity of 2-45 lbs and length of 6-46 inches.
