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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 chassis parts by altering the angular position of the Goshawk dynamo main brushes.

Identifier  ExFiles\Box 172\2\  img011
Date  3rd May 1923
  
R R 765 (S H) (S H 263, 20-2-20) G 2384
COMPLETED 23.5.23.
STANDARDISATION of CHASSIS PARTS.
Date 3.5.23.
No. X 4333A
Description of Parts.
Altered angular position of Goshawk dynamo main brushes by which they are 9° retarded from no load neutral position, in place of 2° as heretofore.

Drawing No.
Part List
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.

Origin.
Desirability of improving the to the last ounce the output and commutation of the Goshawk dynamo, a protracted series of bench tests having been taken with this end in view and reported in our EFC1/T3.5.23.

Experimental Test Report.
See EFC1/T3.5.23.

Road Test Report.
The dynamo on 7-G-11 is at once being altered in this manner so as to be subject to the 10,000 mile road test which is being carried out on this chassis in connection with coarser teeth on rear axle bevels.

Cost of Parts in Works which will be scrapped if commenced on :-
Series.......... £.........
Series.......... £.........
Series.......... £.........
Storekeeper advised re above:
Storekeeper's Signature.

Signature of Exp. Dept. that above is correct. EFC/Hs.{Lord Ernest Hives - Chair}
Weight of Old Part. Cost of Old Part. £---
Weight of New Part. Cost of New Part. £---
Difference per Car. Difference per Car. £---

Signature of Mr. DE LOOZE that above is correct.

SIGNATURES
Mr. JOHNSON 14.5.23 Agreed. CJ.
Mr. E.{Mr Elliott - Chief Engineer} Johnson. 14.5.23 Agreed. E.J.
Mr. ROYCE 14.5.23 Agreed YfR This is very urgent I presume, & make no hard & fast rule with, see my memos R.{Sir Henry Royce}
Mr. WORMALD 3.5.23 Agreed, subject to road test. Wor.{Arthur Wormald - General Works Manager}
Mr. ROWLEDGE. 3.5.23 Agreed. Rg.{Mr Rowledge}
Mr. DAY 4.5.23 Agreed. Da.{Bernard Day - Chassis Design}
Mr. BAILEY 3.5.23 Agreed. BY.{R.W. Bailey - Chief Engineer}
Mr. PLATFORD Agreed if Hs.{Lord Ernest Hives - Chair} satisfied O.K. on cars. EP.{G. Eric Platford - Chief Quality Engineer}
Mr. NORTHEY 11.5.23 Agreed. PN.{Mr Northey}
  
  


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