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 clutch driven disc.
| Identifier | ExFiles\Box 129\1\ scan0098 | |
| Date | 24th January 1936 | |
| DR. NO. /00150-1 8 SLOTS .047 WIDE EQUALLY SPACED AS SHOWN 1/4 DRILL - 8 HOLES REMOVE SHARP EDGES 18 HOLES EQUALLY SPACED EXCEPT FOR 1 HOLE WHICH IS OFFSET AS SHOWN DRILL .1562 DIA. ±.005 ROLLS-ROYCE, LTD. # G-84303 7.762 DIA. ±.005 9.600 DIA. ±.025 SAW STEEL .093±.006 .90-1.00 % CARBON HEAT TREAT & HOLD FLAT WITHIN .012 7.3125 DIA. +.002 -.000 TOOLS MUST BE STAMPED WITH "T" NO. & PARTS WITH "T" NO. & MAT'L LIMITS ON ALL FRACTIONAL MACHINE DIMENSIONS ± .010 REMOVE ALL PROJECTING EDGES AND SHARP CORNERS THE CLEVELAND GRAPHITE BRONZE CO. CLEVELAND, OHIO CLUTCH DRIVEN DISC SCALE: HALF DATE: 1/24-36 DR. FH CK.{Mr Clark} mk APP. DR. NO. /00150-1 1 OF 3 | ||