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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 an electrical cutout moving contact point spring support with a rigid backing.

Identifier  ExFiles\Box 50\1\  Scan123
Date  25th May 1926
  
RR 758 (10H) (DS130 12-9-24) MS 301225
X4105c
COMPLETED 14.6.26
STANDARDISATION of CHASSIS PARTS.
Date 25.5.26
Description of Parts: ELECTRICAL CUTOUT MOVING CONTACT POINT SPRING SUPPORT WITH .150" NECK & RIGID BACKING.
No. X 4105C.
Drawing No. 12
Part List XX
Origin: Improvement of rubbing action of contact points and consequent life.
Experimental Test Report.
See EFC {E. Fowler Clarke - Electrical Engineer} 2/T22, 5, 26 - Extract :-
"The cutout fitted to 10-G-111 which has completed 14,000 miles running is in very good condition. Wear is very slight and the sliding action is still good. From this and other evidence below, this item is considered to be an improvement on the present standard".
Road Test Report.
Weight of Old Part.
Cost of Old Part. £
Weight of New Part.
Cost of New Part. £
Difference per Car. Negligible.
Difference per Car. £ Negligible
Signature of Mr. De LOOZE that above is correct. MyL 31/5/26
SIGNATURES | DATE | REMARKS
MR. JOHNSON | 28.5.26 | Agreed. CWB.
MR. B. JOHNSON | 14.6.26 | agreed
MR. ROYCE | 28.5.26 | Agreed. FHR.
MR. WORMALD | 27.5.26 | Agreed. Wor. {Arthur Wormald - General Works Manager}
MR. ROWLEDGE | 27.5.26 | Agreed. Rg. {Mr Rowledge}
MR. DAY | 27.5.26 | Agreed. Da. {Bernard Day - Chassis Design}
MR. BAILEY | 2.6.26 | Agreed. By. {R.W. Bailey - Chief Engineer}
MR. PLATFORD | 27.5.26 | Agreed. EP. {G. Eric Platford - Chief Quality Engineer}
MR. ELLIOTT | 28.5.26 | Agreed. E. {Mr Elliott - Chief Engineer}
MR. NORTHEY | 8.6.26 | Agreed. PN. {Mr Northey}
MR. HIVES | 26.5.26 | Agreed. E.Hives.
X 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...........£.......
STAMPS:
PHANTOM I CHASSIS
RECEIVED [Illegible] R.R. LTD. DERBY
J.S.D.O. 1926
HANDWRITTEN:
HS {Lord Ernest Hives - Chair}
  
  


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