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BMS Belay Spool
For more information on this product, please read this paper.
Testing Data
(4-lobe model)

Static Testing
Breaking Strength: 15,000 lbs.
Rated Working Load: 600 lbs.
Friction Ratio @ Static Load 40:1
Max. Force @ Working Load 15 lbs.

Informal Drop Testing, 600 lbs. load
Easily caught and controlled load using one gloved hand at drops of one, three and six feet with rope slippage of approximately eight, twelve and eighteen inches respectively with no observable rope damage.

Tests Performed Using 1/2" PMI E-Z Bend

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Last update Mar. 8, 2002