Alteration note detailing the addition of holes to a Yoke and Carrier Brackets to facilitate fitting of a Radiator Conduit.
| Identifier | ExFiles\Box 99\4\ scan0083 | |
| Date | 17th February 1939 | |
| TO Rm {William Robotham - Chief Engineer} /FJH. {Fred J. Hardy - Chief Dev. Engineer} R.R. 281 SHEET NO. 100381-158 Kalamazoo PATENT "CUT-AWAY" SHEET BRIT. PAT. 375994, 1931 TITLE TO BE INSERTED BELOW LEVEL OF ASTERISK ALTERATION EB.3983. 4 holes added with packing piece EB.3835 shown in dotted and note "4 holes .1378 dia. Tap 3BA. 34.8 T.P.1. RH. {R. Hollingworth} after spot welding packing in position on rear flange only". Also added note referring to .750 dia. slot "Remove all sharp corners from these edges (both sides)". EB.4283/4. 2 holes added .1718+.10 dia. and located by dimensions 1.687 and 5.250. INTRODUCED REASON To facilitate fitting of Radiator Conduit. REQUEST: "D" Dept. DEPT. SECTION D.O.: "E" (RCC). APPROVED BY: BY {R.W. Bailey - Chief Engineer} /CS. ALTERATION NO: 20298/E. DATE: 17.2.39. contd. PIECE NO. EB.3983 EB.4283/4 MODEL: B.V. & B.50 (EXP) SECTION: 5250. Yoke. Carrier Brackets L.H. & R.H. | ||
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).