Tom Hardman Limited - historic, exceptional and performance cars
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1934

Lagonda Rapier Twin Supercharged

Lagonda Rapier Twin Supercharged

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Twin-blown Lagonda Rapier producing 180BHP. Constructed for the 1100cc class, with event history including Harewood Hill Climb and Nürburgring Classic.

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Chassis:
# D10816
Engine:
# D2572
Duty:
UK taxes paid
  • Twin-supercharged 1087cc engine using two-stage system and custom blower drive housing.
  • Produces 180BHP at 6,000rpm on 22psi boost; capable of up to 28psi
  • Replaced ENV gearbox with pre-war Riley close-ratio crash transmission
  • Braking via hydraulically operated twin-leading-shoe drums in 13″ Alfin casings.
  • Step-down rear axle casing allows low central driving position without offset layout..
  • Body is aluminium monoposto with tail tank, driver’s headrest and full undertray.

Built for Power: Competition-Focused Rapier Engineering

This Rapier’s current form traces its roots to Australian engineer Ross Stewart, who reimagined the Lagonda engine to meet 1100cc class regulations. Using a sleeved-down block with a 62mm bore and 90mm stroke, the engine displaces 1087cc. To extract every ounce of performance, Stewart designed and machined a bespoke blower drive case, enabling a two-stage supercharger layout.

Operating at 22psi boost on the rolling road and capable of up to 28psi, the engine delivers an impressive 180BHP.

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