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).
Tappet clearance, discussing the non-agreement of fibre washers under camshaft casings and proposing alternative designs.
| Identifier | WestWitteringFiles\A\November1917\ Scan2 | |
| Date | 12th November 1917 | |
| Nov. 12th. 1917. Confirmation to By.{R.W. Bailey - Chief Engineer} c. to Wor.{Arthur Wormald - General Works Manager} o.{Mr Oldham} to Ext. c. to By.{R.W. Bailey - Chief Engineer} C. to By.{R.W. Bailey - Chief Engineer} 3 X.2039 D RECEIVED 14 NOV 1917 ROYCAR. DERBY. RE TAPPET CLEARANCE WE NEVER AGREED TO FIBRE WASHER UNDER CAMSHAFT CASING WHY NOT REST CAMSHAFT DIRECT ON CYLINDER AND USE OIL JOINT WASHER UNDER COLLAR OF DISTANCE PIECE/ HAVE ALREADY AGREED TO LARGER TAPPET BOLT HEADS AND HARDER WASHER FUTURE CAMSHAFT CASINGS SHOULD HAVE HOLES BORED OUT FOR LOCATING BUSHES ONLY AT EACH END REST OF THE HOLES FREE FIT ON STUD BUT TOO SMALL FOR LOCATING BUSH. ROYCE. | ||