Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Standardisation of a camshaft modification to increase power.

Identifier  ExFiles\Box 172\1\  img044
Date  4th October 1923
  
R.R. 755 (10M) (SL 72 18-7-23) MP 274954a.
COMPLETED 6.11.23.
STANDARDISATION of CHASSIS PARTS. Date 4.10.23.
X No. 4229
Drawing No.
Part List
Description of Parts. CAMSHAFT.
Origin: To increase power.
Experimental Test Report.
This modification consists of altering the angle between the cams from 118° to 110° - the same cam form is used.
Road Test Report.
See report Hs{Lord Ernest Hives - Chair}4/LG3.10.23
Fitted to 4-G-11 - run 1000 miles.
Fitted to 3-G-11 - run 1750 miles.
Fitted to 6-G-11 - run 50 miles.
This Camshaft gives a definite improvement.
Weight of Old Part. £
Weight of New Part. £
Difference per Car.
Cost of Old Part. £
Cost of New Part. £
Difference per Car. £ No difference in cost.
Signature of Mr. De LOOZE that above is correct. My/JW 8.10.23.
SIGNATURES | DATE | REMARKS
MR. JOHNSON | 30.10.23 | Agreed. CJ.
MR. B. JOHNSON | 5.11.23 | Agreed. BJ.
MR. ROYCE | 20/10/23 | Agreed FHR.
MR. WORMALD | 4.10.23 | Agreed. Wor.{Arthur Wormald - General Works Manager}
MR. ROWLEDGE | 10.10.23 | Agreed. Rg.{Mr Rowledge}
MR. DAY | 11.10.23 | agreed sa
MR. BAILEY | 4.10.23 | Agreed. BY.{R.W. Bailey - Chief Engineer}
MR. PLATFORD | 4.10.23 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
MR. ELLIOTT | 15.10.23 | Agreed AE.
MR. NORTHEY | 25.10.23 | Agreed. PN.{Mr Northey}
MR. HIVES | 29.10.23 | Agreed. E.Hives.
A Scrap and replace at all costs, including Chassis already delivered to customers.
B Scrap and replace on Chassis in works.
C Scrap present stock and replace on all Chassis not yet handed to test.
D Use existing stock Alteration effective on future Chassis.
Cost of Parts in Works which will be scrapped if commenced on:-
Series......... £.........
Series......... £.........
Series......... £.........
STAMP: ORIGINAL
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙