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).
Comparative cost and labour analysis between the Bentley 50 and Wraith models.
| Identifier | ExFiles\Box 148\5\ scan0396 | |
| Date | 20th July 1938 guessed | |
| -5- BENTLEY 50 Machine Fitting & Testing Foundry Forge S.W.W. Material Hrs.Mins. Hrs. Mins. Hrs.Mins Hrs.Mins Hs.{Lord Ernest Hives - Chair}Mn Hrs.Mins -------------------------------------------------------------------------------------- 324 12 93 09 106 07 5 16 21 56 1072 244 414 55 119 ½ 13 39 12 58½ 1 37 1013 155 301 18 154 06 21 13 15 27 19 22 1253 813 66 10 349 46 2 18½ - - 3 28½ 689 069 -------------------------------------------------------------------------------------- 1106 35 716 01½ 143 17½ 33 41½ 46 23½ 4028 281 Hrs. Mins. £201. 8. 3d. 2045 58 1023 Actual hours at 1/8d = £85. 5. 0d. WRAITH Machining. Fitting & Testing Foundry Forge Sheet Met. Mat: Hrs. Mins. Hrs. Mins. Hrs.Mins Hs.{Lord Ernest Hives - Chair}Ms. Hrs.Mins -------------------------------------------------------------------------------------- 1673 12 1104 31 198 47½ 39 31½ 177 3 Hrs. Mins £265. 0. 0d. 3193 5 1596 - 32½ Actual at 1/8d = £133. 0. 0d. Bentley 50 Labour 64.1% of Wraith Bentley 50 Material 76% of Wraith. | ||