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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 a steering worm and nut with .940' lead to improve existing steerings.

Identifier  ExFiles\Box 171\1\  img032
Date  4th June 1926
  
RR 755 (10M) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225
ORIGINAL COMPLETED 14.6.26
STANDARDISATION of CHASSIS PARTS.

Description of Parts: STEERING WORM AND NUT WITH .940" LEAD.
Origin: To improve existing steerings.

Experimental Test Report:
The .940" worm and nut will fit into existing steerings. It is intended to fit these on to existing cars which are complained of.

Road Test Report:
Tests carried out in France by PN.{Mr Northey} CWB. and Hs.{Lord Ernest Hives - Chair} proved this modification to be an advantage.

Weight of Old Part.
Cost of Old Part. £
Weight of New Part.
Cost of New Part. £
Difference per Car. £ 12. 12. 0
Difference per Car. If changeover done at Works.

Right hand side boxes:
Box X: No. 8430
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 ......£.......

Signature of Mr. De LOOZE that above is correct. ly/Rb.{R. Bowen} 9.6.26

SIGNATURES:
MR. [illegible] C.W.B. - Date: 9.6.26 - Remarks: Agreed. CWB.
MR. B. JOHNSON - Date: 14.6.26 - Remarks: Agreed. BJ. To overcome complaints, but not non-complaint cars.
MR. ROYCE - Date: 9/6/26 - Remarks: agreed FHR
MR. WORMALD - Date: 4/6.26 - Remarks: Agreed. Wor.{Arthur Wormald - General Works Manager}
MR. ROWLEDGE - Date: 8.6.26 - Remarks: Agreed. Rg.{Mr Rowledge}
MR. DAY - Date: 7.6.26 - Remarks: Agreed. Da.{Bernard Day - Chassis Design}
MR. BAILEY - Date: 7.6.26 - Remarks: Agreed. BY.{R.W. Bailey - Chief Engineer}
MR. PLATFORD - Date: 8.6.26 - Remarks: In view of road test report - agree. Should like to try this and weaker side tube springs as soon as possible.
MR. ELLIOTT - Date: 9/6/26 - Remarks: Agreed AE.
MR. NORTHEY - Date: 7.6.26 - Remarks: Agreed. PN.{Mr Northey}
MR. HIVES - Date: 4.6.26 - Remarks: Agreed. E.{Mr Elliott - Chief Engineer} Hives.

[A large green stamp reading "PHANTOM" is across the center of the document]
  
  


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