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).
Drawing of a centrally lubricated cantilever spring.
| Identifier | ExFiles\Box 67a\2\ scan0239 | |
| Date | 7th November 1929 | |
| No, OPERATION, MACHINE, TOOL, TOOL No RR771/SK(1) G.134.15.5.29 N & G LTD R2103 .625 .750 3.000 COUNTERSINK 3RD PLATE .750 DIA C BANJO TO BE SWUNG ROUND TO THE MOST CONVENIENT POSITION. 90° .750 .625 3.000 1.750 DIA. CUTTER SECTION A.B. .187 .050 4° .050 WIDE & .025 DEEP .375 VIEW SHOWING GROOVING AT ENDS OF LEAVES. END OF PLATE ABOVE. R2102 E27485 K4316 SECTION C.D. 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: RECEIVED 11 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. 9K APPROVED. LIMITS O.K. DATE. 7.11.29 USED ON N5OFF SECTION 4G/50, 2, 7030 SCALE 1/2 MACHINE ALL OVER OR WHERE MARKED THUS ~~~ HEAT TREAT BRINELL STANTON TITLE. CENTRALLY LUBRICATED CANTILEVER SPRING. MATERIAL SPEC'N N° R2103 | ||