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.
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
Ask the DAR
What do you need to do when you buy an Experimental/Amateur-Built aircraft? What should a builder/owner do when they're ramp checked?
Tail Surfaces and Aerodynamic Effects
Major aspects of tail design and how they affect the performance of an aircraft in flight.