Motorcycle museum record
The Golden Dream prototype used an exceptionally ambitious flat-four engine and shaft-drive concept immediately before the Second World War.
Museum plaque
A glimpse of an alternative technical future that Brough Superior never had the chance to put into full production.
The Golden Dream prototype used an exceptionally ambitious flat-four engine and shaft-drive concept immediately before the Second World War.
Why it matters. A glimpse of an alternative technical future that Brough Superior never had the chance to put into full production.
Technical identity
This first expansion records museum-level specifications rather than pretending every year and market used one immutable specification.
Research starting point
Model-year specifications can vary. The museum keeps the stable historical interpretation here and leaves room to add exact variants, racing derivatives, engine codes and source-specific specifications later.