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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).
Standardisation of the speedometer drive for the 40/50 chassis.

Identifier  ExFiles\Box 171\3\  img171
Date  21th March 1923
  
R R 755 (5 H) (S H 268, 20-9-20) G 2554
COMPLETED 27.4.23.
STANDARDISATION of CHASSIS PARTS.
Date 21.3.23
X No.1809
Drawing No.
Part List
Description of Parts.
SPEEDOMETER DRIVE FOR 40/50 CHASSIS.
Origin.
To provide a reliable drive.
Experimental Test Report.
We have always felt the need for a reliable bracket for pulley and tensioning device. This scheme is got out chiefly to adapt the A.T. speedometer to the 40/50 H.P., but it could be used with other types.
Road Test Report.
Fitted to 4.EX car - run 2500 miles - no trouble. Another set has been used by the A.T. people who approve of it.
Signature of Exp. Dept. that above is correct. E.Hives.
Weight of Old Part. ---
Cost of Old Part. £ -----
Weight of New Part. ---
Cost of New Part. £ 3. 3. 0
Difference per Car.
Difference per Car. £ 3. 3. 0 increase.
Signature of Mr. De LOOZE that above is correct. MV/JW 24.3.23
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 ..... £ ......
Storekeeper advised re above:
Storekeeper's Signature.
SIGNATURES | DATE | REMARKS
Mr. JOHNSON | 23.4.23 | O.K. if facts as stated in Sg{Arthur F. Sidgreaves - MD}'s memo attc. CJ
Mr. E.{Mr Elliott - Chief Engineer} JOHNSON. | 23.4.23 | Agreed. BJ.
Mr. ROYCE | 23.4.23 | Agreed FHR
Mr. WORMALD | 13.4.23 | Agreed. Wor.{Arthur Wormald - General Works Manager}
Mr. BARRINGTON | 22.3.23 | Agreed. Rg.{Mr Rowledge}
Mr. Rowledge.
Mr. DAY | 16.4.23 | Agreed. Da.{Bernard Day - Chassis Design}
Mr. BAILEY | 21.3.23 | Agreed. BY.{R.W. Bailey - Chief Engineer}
Mr. PLATFORD | 22.3.23 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
Mr. NORTHEY | 23.3.23 | Agreed. PN.{Mr Northey}
E.W.I. for R.R. Inc.
[STAMPED TEXT: 40/50 H.P. CHASSIS]
  
  


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