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).
Alteration notice for a crankcase top half and various bearing bushes.
| Identifier | ExFiles\Box 115\3\ scan0095 | |
| Date | 5th November 1937 | |
| COPY Mr. Pendlebury Mr. Scott. Mr. Bishop.Grind Mr. Winter. Mr. Turner H.T.A. RHC{R. H. Coverley - Production Engineer}/EG.26/DB.{Donald Bastow - Suspensions}5.11.37. ALT. NO. 19280/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1.) EB.2626 Crankcase Top Half - Sht.1. 2.) EB.3331 Bearing Bush - Front and Centre. 3.) EB.3332 Bearing Bush - Top Rear. 4.) EB.3333 Bearing Bush - Bottom rear. 5.) EB.3334 Bearing Bush - Inter Top and Bottom. Section 5000. Alteration :- 1) Main Bearing bore altered (Limits) from +1 to +3/4 2.3.4.5) Age treatment altered from six hours at 170°C. to 20 hours at 160°C. bore altered from 2.2515+3/4 dia. to 2.25175-1/4 and nip now made .001 positive on each half. REASON. In accordance with BY's instruction. RHC{R. H. Coverley - Production Engineer}/EG. | ||