Lancia Aurelia
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Picture
side view of early indirect drive transaxle


Transaxle

The Aurelia’s rear-mounted transmission was combined with the clutch and inboard drum brakes, lessening unsprung weight for even weight distribution for the overall car. 

Two types of transaxles were used - the earlier cars had the smaller one, with indirect drive and access only from the front for service (shown above). While designed originally for the 56hp berlina, it was used throughout the lineup until 1954, up to the 4th s. B20. It had a small straight cut 1st gear, which could be damaged with abuse. It was replaced in the 5th/6th s. B20 and B24 with a "split seam" transaxle, significantly larger and more robust, which was used in the Flaminia as well, the only change being the addition of synchro in first gear.  

Picture
plan view of early transaxle, accessed from behind the clutch
Picture
the later, split seam transaxle used in the s.5 and s.6 cars
rear suspension - IRS
rear suspension - de Dion
site design and content copyright  G. Goldberg, images as noted                            Proudly powered by Weebly
  • Home
    • About
    • map of differences
    • Advertisements
    • Character
    • Original Cars
    • Fangio on the Aurelia
  • Models
    • Berlinas
    • Coupes >
      • Why the series?
      • Series in detail
    • Specials
    • Spiders, Convertibles
    • Nardi
  • Competition
    • Aurelias in Competition
    • Other Racing
    • Special Races
  • Engineering
    • Engines
    • Evolution
    • Crankshafts
    • Camshafts
    • Carburetors
    • Chassis >
      • Front Suspension
      • Rear Suspension - IRS
      • Rear Suspension - de Dion
      • Transaxle
    • Build Quality
    • Drawings
    • Unusual
  • Outgoing
    • Reference >
      • Parts books
      • Web info
      • AST (data sketches)
      • Service Information
      • Parts
      • Color
      • Prices
    • Events >
      • Sliding Pillar
      • Castlemaine
      • Registro Aurelia
      • Other Events
      • B10 photo essay
    • Tech Tips >
      • Carburetors
      • What cam to use?
    • B20 Restoration
    • B20 road test
  • Books
    • Three books for sale
    • Lancia's First V Engines
    • Balancing, for sale
    • At the Center, for sale
    • At the Center, in detail
    • Other Publications
    • Articles
    • Lancia Materials FS
    • Library
    • Errata
  • Other Lancias
    • Appia
    • Aprilia
    • Flaminia Super Sport
    • Flavia 2000 >
      • Kugelfischer injection
  • Contact
  • Blog