Portable Engine Maintenance Sheds Shield Mechanics from the Elements

When faced with operational requirements to conduct heavy engine maintenance far away from dedicated facilities, these maintenance crews employ portable maintenance sheds to bring shelter to the airplane. Still in use today with modern inflatable tents, this concept first emerged during military operations at unimproved airfields, offering respite from harsh elements. Fully equipped with windows for natural light and fuel-fired heaters, portable structures could be rolled up to an aircraft undergoing maintenance, while more permanent structures could be built out on a ramp to allow regular maintenance to be conducted on a ramp away from a traditional hangar.

NASA Spacemobile
September 23, 2026

The Spacemobile: NASA’s Secret Weapon for Winning America’s Hearts

In the 1960s, NASA rolled out a fleet of educational vans called Spacemobiles. They traveled the country building enthusiasm for the Apollo program, turning Americans into space race supporters, one science demonstration at a time.
Goodyear Gizmo Helicopter
September 9, 2026

The Goodyear Gizmo: A 290-Pound Helicopter, Inflatable Rotors, and Convertiplane Dreams

The Goodyear Gizmo was a 290-pound helicopter from the 1950s that almost nobody knows about. Here’s the story of Goodyear’s helicopter experiment and its inflatable rotor blade ambitions.
The McDonnell XP-67 “Moonbat” Represented Ambition Outpacing Engineering
July 29, 2026

The McDonnell XP-67 “Moonbat” Represented Ambition Outpacing Engineering

The McDonnell XP-67 “Moonbat” combined cutting-edge technologies, including a blended-wing body and Continental XL-1430 engines, in pursuit of 472 mph performance. Engine overheating and aerodynamic instability ended the ambitious program before it could reach production.