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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).
The mechanical efficiency of a Marles Type L.7 Steering Gear for 25 HP.

Identifier  ExFiles\Box 28\3\  Scan055
Date  15th November 1934
  
EXPERIMENTAL DEPARTMENT 'REPORT
REFERENCE :- Ha/PJH.10/KW.15.11.34.
Subject of Report :- Mechanical efficiency of Marles Type L.7 Steering Gear for 25 HP.
General Conclusions :- The mechanical efficiency is low in general, but improves with running. The characteristics depend, to a limited extent, on the lubricating oil used.
Copies of Report Circulated to :- Da.{Bernard Day - Chassis Design} Copies to Wor.{Arthur Wormald - General Works Manager} E.{Mr Elliott - Chief Engineer} By.{R.W. Bailey - Chief Engineer} CWH.
Report to be noted for further action by :- Design & Exptl. Depts.
Test carried out on :- Marles Type L.7 Steering Gear.
By :- Ha/P.J.Hardy. Test No. Date :- 15.11.34.
  
  


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