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).
Technical drawing of a crankshaft extension (rear).
| Identifier | ExFiles\Box 81\2\ scan0186 | |
| Date | 11th May 1924 | |
| DRAWING NO A-6221. SEE ALSO THE FOLLOWING OPERATION DRAWINGS 4832 A 60° .562 .025 CHFR' AT 45° 8.250 5.000 ±.10 3.250 .900 .075 RAD. .997 1.254 DIA. -.001/2 THIS END TO BE TURNED 1.0625 DIA. BEFORE BEING FITTED INTO CRANKSHAFT AND AFTERWARDS FINISHED TO THIS SIZE. TAPER 1 IN 20 DRILL .437±.5 DIA TAP .500 DIA 16 T. P. I. R.{Sir Henry Royce} H.{Arthur M. Hanbury - Head Complaints} DRAWN BY: S. K.{Mr Kilner} C. TRACED BY: S. K.{Mr Kilner} C. CHECKED BY: AWS APPROVED BY: R.W.S. ROLLS-ROYCE OF AMERICA, INC. MODEL: 40 - 50 SEC.: 5010. DATE: 11 - 5 - 24. SCALE: 1/1 BRINELL: 286 - 311 MACHINE ALL OVER MACHINE WHERE MARKED TITLE: CRANKSHAFT EXTENSION (REAR). MATERIAL: S/N. SPECIFICATION: 206. NO. OFF: 1. | ||