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).
Design drawing for an inner ball pad (lower).
| Identifier | ExFiles\Box 5a\2\ 02-page216 | |
| Date | 15th December 1925 | |
| F.54779 S 20 O.P. 3.T 955/P 1234/T 1.850 .420 -5 TAPER 1 IN 60(DIA) .400 -25 .325 +.010 -.0 15° .375 RAD .750 DIA OF SPHERE BEARING ON THIS FACE OIL GROOVE .0625 +.010 -.000 WIDE .025 DEEP .575 +.000 -.002 .500 DIA DRILL .125 DIA. REAM FOR .125 DIA. TAPER PIN IN POSITION WITH INNER TUBE 1.625 +0 -10 78 1.800 +10 -0 .725 +0 -5 SECTION OF CUTTER ACTUAL SIZE. 17. M.{Mr Moon / Mr Moore} RIGHT / TAPERED WHERE MARKED "T" PIN & SPLIT TO INNER TUBE MACHINE ALL OVER INNER BALL PAD. (LOWER) 82/P.O. 10 1/2D LB 2/L A 15-12-25 USED ON SECTION OP NO OFF 28H. 7150 2 28H. 7160 2 | ||