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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).
Arrangement of dynamo and magneto drives.

Identifier  ExFiles\Box 172\3\  img079
Date  9th May 1924
  
RR 755 (10H) (SL391 2-11-23) MP 281297
COMPLETED 20.6.24
STANDARDISATION of CHASSIS PARTS.
Date: 9.5.24
No. X 2752 / 516
Drawing No.
Part List
Description of Parts: ARRANGEMENT OF DYNAMO AND MAGNETO DRIVES.
Origin: To suit cars fitted with 4-wheel brakes.
Experimental Test Report:
The Lucas dynamo is modified to suit double ended drive. The drives are similar to those used on 40/50 and 20 HP. except that they are made in N.S. instead of C.H.N.S. The hardening causes distortion on the C.H.N.S. The N.S. shows no sign of wear after 10,000 miles.
Road Test Report:
Fitted to 98-NK - run 10,000 miles.
Fitted to 9-PK and 35-PK Run 3500 and 1800 miles respectively. No trouble.
Options:
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
Weight of Old Part:
Weight of New Part:
Difference per Car:
Cost of Old Part: £ 71. 12. 10
Cost of New Part: £ 72. 10. 0
Difference per Car: £ 17. 2 increase.
Cost of Parts in Works which will be scrapped if commenced on:-
Series............£..........
Series............£..........
Series............£..........
Signature of Mr. De LOOZE that above is correct. MV / Rus. 17.6.24.
SIGNATURES:
MR. JOHNSON, 19.6.24, Agreed. C.J.
MR. B. JOHNSON, 19.6.24, Agreed. B.J.
MR. ROYCE, 19/5/24, FHR agreed
MR. WORMALD, 9.5.24, Agreed. Wor.{Arthur Wormald - General Works Manager}
MR. ROWLEDGE, 13.5.24, Agreed. Rg.{Mr Rowledge}
MR. DAY, 12.5.24, Agreed. Da.{Bernard Day - Chassis Design}
MR. BAILEY, 12.5.24, Agreed. BY.{R.W. Bailey - Chief Engineer}
MR. PLATFORD, 14.5.24, Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
MR. ELLIOTT, 15.5.24, Agreed. E.{Mr Elliott - Chief Engineer}
MR. NORTHEY, 12.5.24, Agreed. PN.{Mr Northey}
MR. HIVES, 17.6.24, Agreed. E.Hives.
  
  


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