In Case You Missed It
Build A Spark Plug Resistance Tester
Checking resistance is an important part of plug maintenance. By Michel Suire.
Safety Is No Accident: Auto-Engine Conversions
Ron Wanttaja crunches the numbers to determine whether homebuilts powered by auto-engine conversions are inherently less safe than their traditional engine brethren.
The Home Machinist
Charlie Taylor, the Wright brothers trusted right-hand man and machinist, made their early powered flight experiments possible. And he built the engine using only a drill press, a lathe, a simple scale and more than a little ingenuity; by Bob Fritz.
Flying Qualities and the Horizontal Tail
An airplane's horizontal tail is critical to stabilizing the airplane in pitch, trimming out pitching moments caused by the wing and providing control power for maneuverability.