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...
In Case You Missed It
Alternative Energies
Three new aircraft, Synergy, Pipistrel Panthera and Volta Volare, are pushing the innovation envelope with their propulsion systems, performance and fuel economy. By Dean Sigler.
Down to Earth
When something doesn’t feel (or sound) right, trust your gut and stay on the ground. A stuck valve recently demonstrated this lesson to Amy Laboda.
Buying Trouble-Purchased Homebuilt Accident Rates
Up to half the homebuilt fleet is owned by non-builders.