Bob Hadley
Bob Hadley is the R&D manager for a California-based consumer products company. He holds a Sport Pilot certificate and a Light-Sport Repairman certificate with inspection authorization for his Jabiru J250-SP.
Hold-downs
A typical milling machine hold-down kit consists of various size blocks, hold-downs, and threaded rods, plus an assortment of T-nuts, flange nuts, and...
Home Shop Heat Treating
Picking up from last month, the spline broaching tools have been machined. We need to deburr them in a way that won't blunt the...
In Case You Missed It
Rotax Factory Tour
Paul Bertorelli takes a tour of the Rotax factory in Austria and discusses the company’s new 912 iS engine and what it has to offer to homebuilders.
Laps and Lapping
Lapping was an important step featured in two recent columns. Last month’s gauge block...
What’s New
PS Engineering has introduced a new audio panel/com, Avemco creates a safety team, Comp Air offers special pricing incentives on its 6 kit, and UL Power of North America names Zenith as first OEM. Edited by Mary Bernard.