In Case You Missed It
Aero ‘lectrics
How do you condition a battery not in regular use to extend its lifetime? Run it down and then charge it back up. Jim Weir explains how to achieve this with about $10 worth of parts.
Wind Tunnel
Multiple engines complicate design, because not only must the airplane be able to maintain flight on one engine, but also the pilot must be able to control it. Lateral/directional stability issues are key;
