Ronstan Pulley

Pulley Block,Wire Rope,830 lb. RONSTAN RF31712

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Harken T2 Ratchamatic Block Pulleys - Cross Country magazine

To achieve such power reductions the pulley must be set up with the line wrapped 180° around it. Instructions for the pulleys can be downloaded from here. The effort needed to keep the speed bar pushed can be reduced up to a 90%, which means that you only need to apply a force of 2kg on the speedbar to keep 20kg of pressure (the rest of the effort is transmited to the anchor point of the. The key difference between these new T2 Ratchamatic block pulleys and those of Ronstan or even the standard Harken, is that in those previous models the ratchet system remains engaged at all times and the line only goes back when it loses contact... Source: www.xcmag.com