Production chronology1926–1927
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗2 years
Larger-displacement listing of the same advanced Arzac chassis. Period dimensional evidence gives approximately 496 cc, while later summaries round it to 500 cc.
Sourced production or model lifecycle range used by the main catalog timeline.
This record contains useful sourced evidence, but it does not yet meet the reference-ready standard. Still needed: attributed imagery. Fields we cannot source stay empty rather than guessed.