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).
Calculation of potential savings based on a 25% reduction in forging costs for various car and engine models.
| Identifier | ExFiles\Box 148\5\ scan0337 | |
| Date | 27th May 1938 | |
| 27.5.38. POTENTIAL SAVING IF FORGING COST COULD BE REDUCED 25%. on R.R. OUTPUT. 100 P.III Forgings £70 per car .... £ 7,000 1500 B.50, B.III Wraith Replace Forgings £25 per car .... 37,500 2500 Merlins Forgings £90 per engine.. 225,000 269,500 25% Saving = £67,375 per annum. | ||