February 2013

Experimenter is a magazine created by EAA for people who build airplanes. We will report on amateur-built aircraft as well as ultralights and other light aircraft.

Issue link: https://experimenter.epubxp.com/i/108002

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Page 24 of 44

H in t s F or H o m e b uil d e r s Wax The multiple uses for this simple product By Cy Galley Wax is known for making your painted plane shiny, but it has other uses, too. Unlike oil or grease, wax doesn't attract dirt and grime, which can work into bearings and other parts, creating wear. Many bicyclists routinely remove their drive chain and place it into a vat of molten paraffin wax to lube it. WD-40 and the LPS series of spray lubes are wax based, as is Boeshield. There are places on your airplane where a dry, clean lubricant is very desirable—places such as door latches where you need smooth actuation, but the handle needs to be clean so that your clothing and hands don't pick up the dirt and grime that come when using a grease or oil. The solution? Rub the latch and the striker with a candle. Rubbing a candle on window slides also makes them move easier without damage to the Plexiglas. Candle wax will reduce wear on your cowl overlaps as well. A bit of candle wax is also handy in making machine screws go into nut plates. Dragging a wood screw across your candle will make it much easier to install. Because candle wax doesn't attract moisture it helps reduce corrosion of the metal screw in the wood. Plus the wax is easily removed when painting so one doesn't get those nasty "fish eyes" from the silicone lubes. Lastly, place a colored crayon mark on each of your exhaust stacks if you are trying to find out which of your cylinders is missing or not firing. Briefly run the engine, then look to see which stack has the melted wax. Works every time without burning your fingers. Hints for Homebuilders Videos Installing Circuit Breakers In this video, Dick and Bob Koehler show how to install circuit breakers for your panel. Dick and Bob are both Technical Counselors, A&P aircraft mechanics with Inspection Authorization (IA), and SportAir Workshop instructors. Practical Weight & Balance Filmed live at AirVenture 2012 in Paul's Vintage Workshop, volunteer Joe Norris discusses the practical aspects of why weight and balance is critical to safe flight. Joe is an FAA CFI, A&P mechanic with IA rating. EAA Experimenter 25

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