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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: lowering the front and rear silencer by .500 inches.

Identifier  ExFiles\Box 38\4\  Scan119
Date  4th October 1920
  
R.R. 765 (S H) (S.H. 187, 20.8.20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2807.
COMPLETED
STANDARDISATION of CHASSIS PARTS.
Description of Parts. X.3642
Silencer front and rear .500" lower.
Origin. To give more clearance between silencer and undershield, spring shackles and brake rope.
Experimental Test Report.
This alteration does not affect any working parts, the brackets holding the silencer are lengthened .500".
Road Test Report.
Run 8,500 miles on 4EX, is no trouble and obviously a better job.
To be brought in on "p" Series.
Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives.
Weight of Old Part. --------
Cost of Old Part. £ 2. 18. 8.
Weight of New Part. --------
Cost of New Part. £ 3. 3. 8.
Difference per Car. .500 lb. increase (approx)
Difference per Car. 5/- increase.
Signature of Mr. DELOOZE that above is correct. D/Rd.
SIGNATURES | DATE | REMARKS
Mr. JOHNSON | 3.11.20. | Agreed. C. Johnson.
Mr. ROYCE | 6/11/20 | Agreed FAR
Mr. WORMALD | 13.10.20. | Agreed most urgent. Wor.{Arthur Wormald - General Works Manager}
Mr. BARRINGTON | 5.10.20. | Agreed. Bn.{W.O. Bentley / Mr Barrington}
Mr. DAY | 8.10.20. | Agreed. Da.{Bernard Day - Chassis Design}
Mr. BAILEY | 5-10-20 | This very desirable for clearance reasons
Mr. PLATFORD | 5.10.20. | Agreed on behalf of EP.{G. Eric Platford - Chief Quality Engineer} J.Maddocks.
Mr. NORTHEY | 6.10.20. | Agreed. P.N.
RIGHT SIDE:
Date 4.10.20
X No. 3642.
Drawing No. N.2397
Part List. N.2397
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 "P"s. 431/10-
Series......£......
Storekeeper advised re above: C.H.Chatwin.
Storekeeper's Signature. C.H.Chatwin.
By
  
  


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