In Case You Missed It
The Home Machinist (Part 11)
In our continuing series, author Bob Fritz explains how to use a boring head to drill odd-size or big holes. Hint 1: The bigger the hole, the slower the going. Hint 2: The traveling rest, which moves with the cutting tool, braces the material in two directions to minimize flexing.
Wind Tunnel
Thrust-line adjustment is a powerful tool for tailoring flying qualities, but it’s complicated.
Going Around
Gallons of ink have been dedicated—with only minor effect—to figuring out what it is...