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What Is a Worm Gear Winch?

A worm gear winch is a robust mechanical device designed to lift, pull, or position heavy loads with precision. At its core is a worm gear system—a combination of a worm (a screw-shaped gear) and a worm wheel (a matching helical gear).

One of the standout advantages of this type of winch is its self-locking design, which prevents the load from slipping or running back. This makes worm gear winches a preferred choice where safety and control are essential.

Choosing the right arborist rope bag can be tricky. Here’s a quick guide showing how much rope fits in popular bag sizes — from the Vault 15 to the Voyager 60.

It is hard to say which is the best pulley material for a marine environment, as marine comes in very different forms with different levels of certification required & very different usage. One of the best materials for a pulley...