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Dave discovered that mixing graphite powder (for friction reduction) and colloidal silica (for durability) in epoxy creates something almost as slippery as ball bearings, not bad when the thing you’re trying to slip in and out is a 70-pound trailer tongue extension. The other trick was the built-up section in the trailer tongue, at left above, and the molded addition bonded to the tongue extension, on facing page.

Homemade bearings make launching easier Issue 53 : Mar/Apr 2007 Sometimes on improvement creates an opportunity another. To make it easier to launch my Com-Pac 16 when the tide is low, I installed a t...