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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 for 20 inch wheels with 7 inch tyres.

Identifier  ExFiles\Box 17\7\  Scan065
Date  1st January 1930
  
RR 755 REVISED (10H) (DF 587 4-1-29) BM. 2/5943.
x7810. Comp 18-2-30.
STANDARDISATION of CHASSIS PARTS.

Description of Parts: 20" WHEELS WITH 7" TYRES.
Origin: To obtain the advantages of a "Fort" tyre without its disadvantages.

Experimental Test Report: We have been doing some running with these tyres in their latest form with good results.

Road Test Report: Run 10,000 miles in France on 18-EX. 1,000 miles 23-EX.

Weight of Old Part:
Weight of New Part:
Difference per Car:

Cost of Old Part: £19.2.10
Cost of New Part: £19.12.2
Difference per Car: £0.9.4 Increase

Signature from Cost Dept. that above is correct: G R H 11/2/30

Date: 1.1.30.
No. 4050
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.

Cost of Parts in Works which will be scrapped if commenced on:-
Series............£.........
Series............£.........
Series............£.........

INITIAL | DATE | REMARKS
ECC. Sq | 13-2-30 | Agreed Sq.
R.{Sir Henry Royce} | 6.1.30 | Agreed FHR.
WOR.{Arthur Wormald - General Works Manager} | 3.1.30 | Agreed Wor.{Arthur Wormald - General Works Manager}
RG.{Mr Rowledge} | 13.1.30 | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 6.1.30 | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 3.1.30 | Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 7.1.30 | Agreed EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 4.1.30 | Agreed AE.
PN.{Mr Northey} | 14.2.30 | Agreed PN.{Mr Northey}
CWB. | 30.1.30 | Agreed C.
Hs.{Lord Ernest Hives - Chair} | 1.1.30 | Agreed.

Handwritten notes:
Left margin: G Phy
Next to cost details: Agreed M
Top right corner: 7810, 7820
In Date box: 7410 (crossed out)

Stamp: RECEIVED I.S.D. 13 FEB 1930
Watermark Stamp: PHANTOM
  
  


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