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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Index page for a document on the fundamentals of car suspension systems.

Identifier  ExFiles\Box 178\1\  img172
Date  28th August 1926
  
FUNDAMENTALS OF CAR PERFORMANCE.

SUSPENSION.

I. INTRODUCTORY.

a.{Mr Adams} Measureable requirements of a good suspension.
b. Difficulty of defining a 'well sprung' car from the passengers point of view.
c. Considerations in suspension design.

II. A FEW FUNDAMENTAL PRINCIPLES.

a.{Mr Adams} Importance of low unsprung weight.
b. Spring deflection.
c. Periodicity.
d.{John DeLooze - Company Secretary} Influence of car centre of gravity.
e.{Mr Elliott - Chief Engineer} The necessity for damping in a suspension.

III. CONVENTIONAL LEAF SPRING SUSPENSION.

a.{Mr Adams} Requirements of a spring.
b. Semi elliptic springs.
c. Quarter elliptic springs.
d.{John DeLooze - Company Secretary} Three-quarter elliptic springs.
e.{Mr Elliott - Chief Engineer} Cantilever springs.
f.{Mr Friese} Transverse suspensions.

IV. DEVICES USED IN CONJUNCTION WITH THE CONVENTIONAL LEAF SPRING.

a.{Mr Adams} Internal friction eliminators - "Rectaskid" - "Alf's button".
b. Auxiliary spring devices.
c. Fabric and rubber shackles.
d.{John DeLooze - Company Secretary} Rebound devices and arrangements for increasing spring internal friction.
e.{Mr Elliott - Chief Engineer} Anti-rolling devices.

V.{VIENNA} UNCONVENTIONAL SUSPENSIONS.

a.{Mr Adams} Helical springs with fluid damping.
(1) Lambda Lancia Suspension.
(2) The Garson Suspension.

b. Air springing.
(The Westinghouse auxiliary air spring).

VI. SOME DETAILS OF THE R-R SUSPENSION SYSTEM.

a.{Mr Adams} Spring dimensions.
b. Tyre pressures and shock damper settings.
c. Front spring deflections.
d.{John DeLooze - Company Secretary} Complaints and their causes.
e.{Mr Elliott - Chief Engineer} Charts for springing R-R cars.
  
  


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