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).
Installation drawing for D2 bimetal main bearings for a 6-cylinder engine.
| Identifier | ExFiles\Box 115\3\ scan0284 | |
| Date | 9th September 1938 | |
| FRONT INTER. CENTRE REAR TABLE: 56LB. FRONT 43LB. INTER 63LB. CENTRE 70LB. REAR PL. GAUGE 1.3320 BLANK 4.260' 2.6640 INSPECTION 38° HALL .032 / .08225 3/16 / 32 DIA C'BORE 3.195 / 3.197 CASE & CAP BOTH SIDES 3.182 / 3.192 O.D. WASHER 2.680 / 2.690 I.D. WASHER WASHERS MILL CASE & CAP END VIEW OF CENTRE BEARING-SHAFT REMOVED 2 HOLES .2362 DIA. IN ALL UPPER BEARINGS C'SINK SLIGHTLY. 1/64 x 45° BOTH ENDS ALL BRGS. SHAFT CASE & CAP CAP OVER WASHERS CASE SECTION OF NOTCH LOCKS. SCALE 2/1 SECTION AA{D. Abbot-Anderson} SCALE 2/1 .0005 / .001 ENTIRE LENGTH BOTH SIDES ALL BEARINGS. ALL NOTCHES CASE & CAPS. 2.6635 / 2.6640 DIA CASE BORE 2.4975 / 2.4980 DIA SHAFT MUST BREAK OUT AT CORNER 1/8 R APPROX SECTION CC SCALE 2/1 .068 / .072 STEEL SECTION DD SCALE 2/1 SECTION BB ALL BEARINGS 1/64 x 45° BOTH SIDES .238 / .243 LUGS IN ALL BRGS. CRANKCASE MATERIAL - C.I. CRANK SHAFT " - STEEL BRG: CAPS " " CRANKCASE DRG. NO. EB.3778 CRANKSHAFT FILLET .090 RAD. (MAX.) CENTRE CAP DRG. NO. EB.3828 BEARING " Nos. EB.3919/21, 4089/90 THRUST " No. 8778. RUNNING CLEARANCE .001-.0025 - THRUST .002-.008 STAMP 1: VANDERVELL PRODUCTS LIMITED, WESTERN AVENUE, PARK ROYAL, LONDON. W.3. STAMP 2: "THE INFORMATION CONTAINED ON THIS DRAWING IS THE PROPERTY OF VANDERVELL PRODUCTS LTD., AND IS EITHER LENT ON HIRE OR SOLD ON CONDITION THAT IT IS KEPT STRICTLY PRIVATE AND CONFIDENTIAL." TITLE BLOCK: FOR ROLLS ROYCE LTD - BENTLEY 5Q MODEL - 6 CYL- INSTALLATION OF MAIN BEARINGS IN D2 BIMETAL DRAWN: A.E. DATE: 9/9/38 SCALE: 1/2 & 2/1 DRAWING NUMBER: L1095 PARTS TABLE: NUMBER PER SET | UPPER | LOWER FRONT BRG. | 1 | 1 INTER. | 4 | 4 CENTRE | 1 | 1 REAR | 1 | 1 THRUST | 2 | 2 | ||