Metallic fabric covered lightweight wing and fuselage frames
Etched metal sheets and rivets
Extremely detailed engines
Moving flight surfaces
Sleek and powerful, Connie set a number of speed and distance records, despite experiencing frequent motor problems which led to them being jokingly called the most reliable three engine aircraft. The plane’s elegant appearance was the result of no two bulkheads being the same shape. A design which has long since been superseded by cheaper, more pressure-change-resistant tube constructions.