Preventing the shut‐off Punkah louvre from jamming Available to Purchase

DURING THE EIGHT YEARS of original research and development of the punkah louvres in Concorde many designs and materials were tested extensively until a unit was produced which operated efficiently between minus 54° and 90°C with velocities of up to 2,000ft/min at an altitude of 65,000ft. The total results exceeded the original design and performance specifications.