The National Interest on MSN

Why Has the C-130 Hercules Transport Plane Survived So Long?

The Lockheed C-130 Hercules has been the US Air Force’s tactical workhorse for seven decades. Never designed to be glamorous, ...
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Bristol Hercules VI, 2-Row, Radial 14 Engine

Bore and Stroke: 146 mm (5.75 in.) x 165 mm (6.5 in.) In 1926 Bristol began studies to integrate the Burt-McCollum sleeve valve concept into selected new engine designs. The sleeve valve, which moved ...