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 radiator parts to save manufacturing costs, improve cooling and reduce weight.
| Identifier | ExFiles\Box 105\1\ scan0268 | |
| Date | 17th June 1936 | |
| RR 785A (SH) [63912. 17-COMPLETED. 4.9.36. 20/25 STANDARDISATION OF PARTS. Handwritten: 21-8-36 (crossed out) Date: 17.6.36. X No. 540 Drawing No. (1) Part List (2) L40.5112, (3), (4) E.83210. Description of Parts. RADIATOR INCORPORATING :- (1) Sheet Metal Side Plates. (2) Unbalanced Shutters. (3) 58 m/m.{Mr Moon / Mr Moore} Mark V Matrix. (4) Spring in Calorstat. Origin. (1) To save manufacturing costs. (2) To prevent wind pressure affecting shutter operation. (3) To improve cooling and save weight. (4) To raise mean water temperature to approximately 80°C. Report of Experimental Test. (1) Run 10,000 miles in England and 5,000 in France on 22-G-V.{VIENNA} (2) Unbalanced type of shutter standard on Bentley and Ph.III cars - at present running on 21-G-IV in France. (3) Run 10,000 miles on 21-G-IV in France. (4) Run 10,000 miles in England and 5,000 in France on 22-G-V.{VIENNA} Weight of Old Part. 124 lbs. (with water) Cost of Old Part. £ See over. Weight of New Part. (approx.) 110 lbs. (with water) Cost of New Part. £ Difference per Car. 14 lbs. (approx.) Difference per Car. £3. 8. 1. Decrease. Cost of Parts in Works which will be scrapped if commenced on:- Series..........£...... Series..........£...... Series..........£...... Signature from Cost Dept. that above is correct. G/RL 18.8.36. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 3-9-36 | Agreed Sg{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} | 31.8.36 | Agreed W. RG.{Mr Rowledge} | 24.8.36 | Agreed RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 24.8.36 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 24.8.36 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 24.8.36 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} This is a real good one. E.{Mr Elliott - Chief Engineer} | BR.{T. E. Bellringer - Repair Manager} | SFT.{Mr Swift} | 24.8.36 | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 24.8.36 | Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} | 21.8.36. | Agreed Hs.{Lord Ernest Hives - Chair} Stamp: J.S. 3 SEP 1936 | ||