Engineering Blind Alleys: The Triumph Sprung Hub - gallery

4 photos
  • Engineering Blind Alleys: The Triumph Sprung Hub - gallery
  • Engineering Blind Alleys: The Triumph Sprung Hub - gallery
    The Triumph Sprung Hub
    Gave suspension movement of around 2 inches. Dismantle with care due to the springs in heavy compression
  • Engineering Blind Alleys: The Triumph Sprung Hub - gallery
    Plunger Suspension
    The true precursor of swing-arm suspension.
  • Engineering Blind Alleys: The Triumph Sprung Hub - gallery
    Triumph Thunderbird
    The sprung hub lasted from 1946 to 1955
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