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.
In some of the impressive projects described in this issue, and the dedication and passion of their designers and builders, Editor-in-Chief Mary Bernard finds reasons to be hopeful about the future of aviation.