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).
Blueprint for a self-adjusting tappet for Bentley and 25HP models.
| Identifier | ExFiles\Box 17\6\ Scan206 | |
| Date | 24th April 1934 | |
| Hs{Lord Ernest Hives - Chair}1364 Cap-Nut (Hs{Lord Ernest Hives - Chair}1351) INNER MEMBER TO HAVE .046 DIA HOLE DRILLED AND MAT TO BE VCM NITRO HARDENED OTHERWISE AS (Ex12872) DOWEL SCREW Ex12876 Ex12876 (Hs{Lord Ernest Hives - Chair}1363) 5°-30' .218 DIA BALL .005 LIFT LEFT AND RIGHT HAND ROCKERS TO BE DETAILED FOR BENTLEY SEE (EB141) AND 25 H.P. SEE (E55577) .046 DIA HOLE IN CONJUNCTION WITH THESE TAPPETS IT WILL BE NECESSARY TO DETAIL A DEEPER ROCKER COVER SELF-ADJUSTING TAPPET FOR BENTLEY AND 25HP ROLLS-ROYCE, LTD. PRINT ROOM 24 APR 1934 DERBY EHS 18-4-34 | ||