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Shop Talk

October 2017 Issue




Unairworthy

Pitted wheel bearing cup.

This was discovered when the wheel bearings were prepared for repacking during a condition inspection. Notice the severe pitting of the cup. The dark spots are not dirt, but places where the plating has worn off of the metal. This is not an uncommon find on aircraft that have been tied down outside for long periods of time or have had their wheels submerged in water. The constant rocking in the wind, especially if they are not kept packed with the proper grease, will cause the pitting. In a car the noise created by a pitted bearing would be very audible. Not so in an airplane due to engine noise. That's why it's important to thoroughly remove all of the old grease and inspect the bearing cups as well as the bearings.

—Vic Syracuse

Homebuilder's Portal by KITPLANES
Photo by Richard VanderMeulen
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RANS S-6 N646GTN646GT started with six members in an LLC, and currently has four left, 10 years after we bought the kit. One of our team is Richard Hogan, the designer of the new Commutercraft. Our RANS S-6 started construction at a hangar at the now defunct Mathis Airport in Suwannee, Georgia, then moved to another hangar …
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Dynon Avionics' latest-generation SkyView integrated avionics called the SkyView HDX has a newly designed bezel and user controls for easier use while flying in turbulence, plus brighter displays and a reworked touch interface. Larry Anglisano takes a product tour of the HDX with Dynon's Michael Schoefield in this video.
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