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.
Aero ‘lectrics
Jim Weir presses the venerable LM317 variable voltage regulator (plus a few other parts) into service as a way to juice up a discharged battery.
