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.
Steen Skybolt
The Steen Skybolt is a fabric-covered, wood-ribbed biplane that is built for aerobatics—and doesn’t disappoint. By Ed Wischmeyer.
Flight Testing: Static System Error – Theory and Practice, Part 2
In Part 2 of the series, Kevin Horton shows you how to gather and interpret flight-test data to identify static system error (spreadsheets included).