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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 servo balance links.

Identifier  ExFiles\Box 171\1\  img058
Date  22th September 1926
  
RR 755 (10M) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225
COMPLETED 20.10.26
STANDARDISATION OF CHASSIS PARTS.
Date 22.9.26
No. 7370
Drawing No. Sch. 2194
Part No. G.74852
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.

Description of Parts: SERVO BALANCE LINKS.
Origin: To increase area of friction for damping the links.

Experimental Test Report.
Friction remains more constant with the increased area - load can be definitely set by the castellated nut.

Road Test Report.
10,000 miles in France on a 12-EX car.
Friction of links remained constant with the increased area of load of 50 lbs. at end of lever G.72513 and was found to give the best results i.e. prevent thumping of front brakes.

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

Cost of Old Part. 14. 9d.
Cost of New Part. £ 1. 4. 0d.
Difference per Car. £ 9. 3d. 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/Rb.{R. Bowen} 18.10.26

SIGNATURES | DATE | REMARKS
[Signature crossed out] C.W.B. | 24.9.26 | Agreed. CWB.
MR. B. JOHNSON | 20.10.26 | Agreed. B.Johnson.
MR. ROYCE | 24/9/26 | Agreed FHR
MR. WORMALD | 22.9.26 | Agreed. Wor.{Arthur Wormald - General Works Manager}
MR. ROWLEDGE | 22.9.26 | Agreed. Rg.{Mr Rowledge}
MR. DAY | 24.9.26 | Agreed. Da.{Bernard Day - Chassis Design}
MR. BAILEY | 11.10.26 | Agreed. BY.{R.W. Bailey - Chief Engineer}
MR. PLATFORD | 23.9.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
MR. ELLIOTT | 28/9/26 | Agreed WE
MR. NORTHEY | 23.9.26 | Agreed. PN{Mr Northey}
MR. HIVES | 22.9.26 | Agreed. Hs.{Lord Ernest Hives - Chair}
  
  


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