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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 Lake & Elliott cast iron ribbed brake drums for 25 HP vehicles.

Identifier  ExFiles\Box 120\1\  scan0117
Date  11th October 1932
  
RR 755 (10H) (30405. 21-4-32) BM. 3/8382/4.
X4612 COMPLETED 28.2.33
STANDARDISATION of CHASSIS PARTS. Date 11.10.32.
Description of Parts. LAKE & ELLIOTT CAST IRON RIBBED BRAKE DRUMS FOR 25 HP IN CONJUNCTION WITH J.III CROSS STEERING TUBE.
Origin. To obtain more efficient braking with less wear of drums.
Box: 5360 X No. 4612. Drawing G.55630 No. G.55678 Part List
Experimental Test Report. The drums ran cooler giving more life to the brakes and with less tendency to seize.
Road Test Report. Fitted to 18.G.IV. and 19.G.IV ran 10,000 miles with satisfactory results.
Stamp: 20/20 H.P. CHASSIS
Weight of Old Part.
Cost of Old Part. £ 5. 17. 9.
Weight of New Part.
Cost of New Part. £ 7. 6. 1.
Difference per Car.
Difference per Car. £ 1. 8. 4. Increase.
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 23.2.33. Wor.{Arthur Wormald - General Works Manager}
Cost of Parts in Works which will be scrapped if commenced on :-
Series.........£.......
Series.........£.......
Series.........£.......
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 24.2.33. | Agreed Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 17.10.32 | Agreed FHR.
WOR.{Arthur Wormald - General Works Manager} | 12.10.32 | Agreed Wor.{Arthur Wormald - General Works Manager}
C. | 12.10.32 | Agreed C.
RG.{Mr Rowledge} | 11.10.32. | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 13.10.32 | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 12.10.32 | Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 12.10.32 | Agreed EP{G. Eric Platford - Chief Quality Engineer} & Mx.{John H Maddocks - Chief Proving Officer}
E.{Mr Elliott - Chief Engineer} | 12.10.32. | Agreed E.{Mr Elliott - Chief Engineer}
PN.{Mr Northey} | 1.11.32. | Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair}
  
  


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