Modification to synchro-mesh operating cams for a 25/30 HP vehicle.
| Identifier | ExFiles\Box 8\11\ 11-page128 | |
| Date | 22th June 1938 | |
| PD 247 PIN .248-1 DIA PIN .4365-5 DIA. PIN .3745-1/4 DIA. REMOVE SHARP EDGES PIN .437-1/4 DIA. 94° CONTACT 104° CONTACT .4375 +.010 -.0 47° 45° ANGLE OF CONTACT (WORN) SCALE 10/1 3RD & 4TH SPEEDS OPERATING CAMS. THE 47° NOMINAL ANGLE OF CONTACT IS 2° MORE THAN STANDARD & ALLOWS FOR .025 R. {Sir Henry Royce} OF WEAR ON THE EDGE OF THE OUTER MEMBER. 2ND SPEED OPERATING CAM. MOD^N TO SYNCHRO-MESH OPERATING CAMS SCALE 1/1 25/30 HP. R.S.M. 22/6/38 PD. 247 ROLLS-ROYCE, LTD. PRINT ROOM AUG 26 1938 DERBY. | ||
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).