In Case You Missed It
Engine Beat
There's a lot to know about aircraft oil: what to use, when to use it, when to change it. Steve Ells sheds some light on this essential fluid.
The Home Machinist (Part 8)
In his continuing series, author Bob Fritz discusses the ins and outs of threads including how to avoid seizing, types of threads, sizing, drilling holes, using a tap-drill chart, and matching fastener dimensions.
More Than You Bargained For
It doesn't take a fortune to get a homebuilt aircraft completed and flying, and we look at a few designs that prove the point. By Marc Cook and Mary Bernard.
