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 rear height control valve casing assembly.
| Identifier | ExFiles\Box 97\1\ scan0238 | |
| Date | 25th April 1969 | |
| ALTERATION TABLE: ALT. NO. | ALTERATION | ISS. 423/SK | SHRINK REF B.P. RAISES 12714/REP | SEE ALTn SHEET | 2 12883/REP | SEE ALTn SHEET | 3 13963/REP | SEE ALTERATION SHEET. | 4 M 15000/REP | SEE ALTERATION SHEET. 26-10-66 | 5 17293/REP | ALTN Q.795 | 25.4.69 | 6 MAIN DRAWING & NOTES: UR.13335. DETL. REF. | NEW ASSY. © Rolls-Royce Limited 1964 This document is the property of Rolls-Royce Limited and may not be copied or used for any purpose other than that for which it is supplied without the written permission of Rolls-Royce Limited. UNIFIED THREADS ALL SHARP EDGES AND CORNERS TO BE REMOVED THIRD ANGLE PROJECTION STAMP: PRODUCTION DRAWING 29 APR 1969 6. DIA 'f' TO BE CONCENTRIC WITH DIA 'm' TO WITHIN .0025 T.I.R. 6. DIA 'g' TO BE CONCENTRIC WITH DIA 'm' TO WITHIN .0025 T.I.R. * 6562 DIA. Z UR.13331 - CASING - 1 - OFF UA852/Z - STUD - 4 - OFF STAMP: MASTER COPY RETURN TO PRINT ROOM AS SOON AS POSSIBLE 3. * FINE LIMIT BORE TO BE SQUARE WITH FACE 'E' WITHIN .002 TOTAL INDICATOR READING. * THREAD DIAMETER TO BE CONCENTRIC WITH DIAMETER 'Z' WITHIN .002 TOTAL INDICATOR READING. DIM'S AND NOTES MARKED * ARE REPEATED ON DETAIL DRG. ALL HOLES TO BE WITHIN .006 OF TRUE POSITION UNLESS OTHERWISE STATED. NUMBER SHOWN ON MACHINING SYMBOL ✓ REFERS TO THE B.S. INDEX FOR SURFACE ROUGHNESS. GENERAL SURFACE ROUGHNESS TO BE 125 MICRO INCHES MAX. UNLESS OTHERWISE STATED. FINISH - SEE DETAILS. 5. TO BUSH FACE (BOTH SIDES) UR 10807 - BUSH - 2 OFF. PRESSED IN AS SHOWN. FACE 'E' BOTH BUSH DIAMETERS TO BE CONCENTRIC WITHIN .0005 TOTAL INDICATOR READING. AXIS OF DIAMETER 'm' TO BE SQUARE WITH AXIS OF DIA. C. .5625 DIA 'm' REAM THROUGH SECTION A-A TITLE BLOCK: ROLLS-ROYCE LTD (MOTOR CAR DIVN) DESIGN No. PL 10059 SECTION 7034 SCALE: 1/1 ALL DIMENSIONS ARE EXPRESSED IN INCHES ALL LIMITS IN THOUSANDTHS OF AN INCH MACHINE ALL OVER OR WHERE MARKED THUS ✓✓✓ TITLE: ASSY - CASING - HT CONTROL VALVE - REAR DRAWN: R LOWE DATE: 24/1/64 MATERIAL: REFER TO MATERIAL SPECIFICATION WEIGHT IN LBS. FOR HEAT TREATMENT | ||