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In Case You Missed it
Owners of a certain type of Continental engine, the cam-at-the-bottom variety, are undoubtedly familiar with the annoying seepage of oil from swaged pushrod tubes and rubber pushrod seals. Now there's a cure, and author Ron Darcey describes the fix.
When it came to choosing a kit aircraft to build, columnist Amy Laboda and her husband opted for a metal design, in part because it would be resistant to destruction by lightning strike and also because fatigue is easier to detect in metal than it is in a composite plane. However, new nanotube technology, if integrated into composite construction material, could not only help identify wear problems, but also potentially heal them.