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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).
Tests of a modified exhaust system to be used on EAC.111.

Identifier  ExFiles\Box 38\4\  Scan064
Date  1st April 1924
  
R.R. 493 (40 H) (SL 42 12-7-23). J.H. D.{John DeLooze - Company Secretary}
[Handwritten]: Y32136
EXPERIMENTAL REPORT.
COPIES TO: R.CJ. BJ. WOR.{Arthur Wormald - General Works Manager} By.{R.W. Bailey - Chief Engineer} E.{Mr Elliott - Chief Engineer} Da.{Bernard Day - Chassis Design} EP.{G. Eric Platford - Chief Quality Engineer} PN.{Mr Northey} OY.
Expl. No. [Handwritten]: X9230 [struck through] X4580
REF. Hal/LGS.4.24.
[Handwritten]: Y32136
TESTER.
[Handwritten]: A.C. Lovesey.
OBJECT OF TEST.
To obtain data of exhaust system to be used on EAC.111.
CONDITIONS.
Standard 40/50 engine on test bench - R.A.F. Indicator.
SUMMARY OF TEST.
These tests and road tests prove that the modified exhaust system will not cause any appreciable drop in H.P. Further tests are in hand to prove whether exhaust noise has been increased or whether induction roar is manifest.
[Handwritten]: HS.{Lord Ernest Hives - Chair}
[Handwritten]: See other X numbers for diagrams
  
  


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