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 details for a Bottom Plate, Top Tank, and Yoke, specifically regarding water inlet and bracket positions.
| Identifier | ExFiles\Box 98\1\ scan0030 | |
| Date | 10th March 1939 | |
| TO Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} ALTERATION EB.4435 Bottom Plate - Top Tank. (1) Position of water inlet port moved from centre to 5.512 from edge and aperture altered from 1.125 to 1.250 dia. EB.4448 Top Tank. (1) Position of water inlet moved to 4.050 off centre and aperture from 1.125 to .500 altered EB.4432 Yoke. (2) Brackets for Bonnet Rest Angles and Face Plates shown dotted in position. Two prints of each of the above drawings attached to Rm{William Robotham - Chief Engineer}/FJH{Fred J. Hardy - Chief Dev. Engineer}'s copy. PIECE NO. EB.4435, EB.4448, EB.4432 MODEL Bentley 38 (Exptl) 5250. SECTION Bottom Plate - Top Tank., Top Tank., Yoke. INTRODUCED 440 REASON (1) In accordance with E.CD.1238. (2) To suit latest scheme for Bonnet Rest Angles. REQUEST DEPT. NEW (WV). SECTION D.O. APPROVED BY BY/CS. ALTERATION NO 20336/E.{Mr Elliott - Chief Engineer} DATE 10.3.39. R.R. 281 1039 | ||