Custom Fuel Line Engineering (1927)

A close-up detailed view of the custom fuel lines, connections, and valves routing around the main fuel tank of the Spirit of St. Louis. — Custom Fuel Line Engineering (1927) · Donald A. Hall Estate Collection

A brilliant technical view of the 1927 fuel system. Donald A. Hall Sr. meticulously routed these fuel lines around the main tank to satisfy both aerodynamic balance and Lindbergh's operational needs, ensuring a fail-safe flow of aviation fuel to the Wright Whirlwind engine.