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 note detailing dimensional changes and redrawing of Rollers.
| Identifier | ExFiles\Box 153\1\ scan0189 | |
| Date | 23th January 1939 | |
| TO: Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} ALTERATION These Rollers have been revised and redrawn to a larger scale 2/1 instead of 1/1. (1) Width of Roller altd. from 1.1534+.000-.002 to 1.1625+.000-.002. (2) Dim. fixing track C/L. altd. from .1307+.001-.001 to .1587+.001-.001. (3) Intersection point on tooth altered :- from 1.659 to 1:6378 for F.89831: 1.659" 1.6438" F.89832. 3 Prints to HPS.{Horace Percy Smith - Experimental Factory Mgr} 1 Print to Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} for Makers. INTRODUCED REASON (1) To give approx. .060 flat on sides. (2) To increase track. (3) D.O. error. REQUEST: DA{Bernard Day - Chassis Design}/Mr. Bastow. DEPT: Prod. D.O. SECTION D.O.: "F" PP APPROVED BY: BY/HEB{H. Biraben} PIECE NO.: F.89831/2. MODEL: Ph:III (Expl) SECTION: 7050 DESCRIPTION: Roller (Ball Bearing Mounted). ALTERATION NO: 18304/F DATE: 23.1.39. SHEET NO 100321 158 Kalamazoo "CUT-AWAY" SHEET BRIT. PAT. 375904, 1931 R.R. 281 TITLE TO BE INSERTED BELOW LEVEL OF ASTERISK | ||