This article originally appeared in Light Plane Maintenance, Mar. 2005.Elbow grease, grease the skids, greasy kid's stuff; grease makes the world go 'round -- literally. The earliest forms of grease were various and sundry animal extrusions and leftovers. Today still, numerous organically based greases give excellent service -- although their origins are more from lithium and calcium than bears. Synthetics have largely replaced organics in many markets, with wide temperature-stability being their biggest advantage.
And it may not have that much to do with batteries. More
"POTW" veteran Daniel Valovich of Hot Springs, AR calls down the lightning to lead off another showcase of reader photography. Click through for more pictures.