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 the R.R. Eagle engine, detailing changes to fittings, pipes, and oil flow design.
| Identifier | ExFiles\Box 36\3\ scan 075 | |
| Date | 30th April 1920 | |
| AIR MINISTRY. DIRECTORATE OF RESEARCH KINGSWAY, LONDON, W.C.2. ENGINE DESIGNS BRANCH ALTERATION Nº D.1477. REF. PAPER A.R.T. 54227. ALTn CLASS Nº III. ENGINE R.R. EAGLE. DATE April 30th 1920. SUBJECT. PARTS AFFECTED E79 & E16648: FITTINGS. MANY PIECES ALTERED -PIPES. COPIES TO BE SENT TO D.A.S. 3 D.A.I. 3 T.R. 6 R.D.2 2 MODS COMMITTEE 1 DRAWINGS AFFECTED. PART Nº | OLD DRAWING Nº | NEW PART Nº | NEW DRAWING Nº E157 | E.13157 | E.16182. | E.16122. E162 | E.13162. | E.16258. | E.16258. E449 | E.13449. | E.16259. | E.16259. E720 | E.12020. | E.16260. | E.16260. | E.12021 | E.16257. | E.16257. Reason for Alteration Square hub on three way connection more suitable to facilitate erection of low pressure relief pipe. Improved design to give a direct flow of oil. This alteration to be adopted for Eng: 8 Eagle -2752. Reduction on Engine No 8 Eagle -2752. No undue scrapping of existing stock This alteration entails NO extra charge to the Air Ministry. SHEET Nº: 1 Nº OF SHEETS: 1. COMPILED: R.D.2. ISSUED BY: R.D.O. TRACING ALTERED: CHECKED: [Signature] APPROVED: F.C. Biggs R.D.2.B. | ||