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).
Detailed diagram of a centrally lubricated cantilever spring assembly.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan137 | |
| Date | 17th November 1929 | |
| No, OPERATION, MACHINE, TOOL, TOOL No, R2103 RR.7711(SH)(D.G.134 15-5-29) N & C. LTD COUNTERSINK 3RD PLATE .750 DIA BANJO TO BE SWUNG ROUND TO THE MOST CONVENIENT POSITION. .750, .625, 3.000, 1.750 DIA. CUTTER, .187, .050, 90°, .375 .050 WIDE X .025 DEEP SECTION A.B. VIEW SHOWING GROOVING AT ENDS OF LEAVES. SECTION C.D. E51215, E27485, K4316 F9771 LUBRICATOR F9775 CAP E53551 WASHER R2095, R2102 THIS BOLT TO BE SHORTENED TO A LENGTH EQUAL TO THE DEPTH OF THE SPRING PLUS 1.000. A .125 DIA HOLE SHOULD THEN BE DRILLED THROUGH THE BOLT .500" FROM THE END. STAMP: 12 NOV 1929 REPLACE ALL COPIES TO: Exp., PATT. WORKS., FORGE T.O., S.R. D.O., R.{Sir Henry Royce} R.D., AMERICA. T.D., COST. DRAWN. TRACED. CHECKED. APPROVED. LIMITS O.K. DATE. 17.11.29 USED ON: 40/50, No OFF: 2, SECTION: 7030 SCALE 1/2 MACHINE ALL OVER OR WHERE MARKED THUS HEAT TREAT, BRINELL, STANTON. TITLE. CENTRALLY LUBRICATED CANTILEVER SPRING MATERIAL, SPEC No | ||