Parts list for a Bentley single cylinder high power head, detailing required components by section.
| Identifier | ExFiles\Box 134\1\ scan0129 | |
| Date | 15th February 1939 | |
| 1129.? HPS. {Horace Percy Smith - Experimental Factory Mgr} c. Rm. {William Robotham - Chief Engineer} C. Rm {William Robotham - Chief Engineer} /12d. By {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 2/AW.15.2.39. BENTLEY SINGLE CYLINDER - HIGH POWER HEAD. CRANKCASE & BEARINGS - SECTION 5000. CYLINDER - SECTION 5050. CAMSHAFT - SECTION 5090. VALVES & FITTINGS - SECTION 5060. Please receive herewith 2 blue prints of each of the following with an extra print of part marked a:- SCD.1172. Modified Camshaft with B.60 Cams and Tappets. Section 5090. EXS.1401. Camshaft - Front. 1 off. EXS.1402. Camshaft - Rear. 1 off. EXS.1403. Inlet Cam. 1 off. EXS.1404. Exhaust Cam. 1 off. EXS.1405. Camshaft Gear - Front. 1 off. EXS.1406. Camshaft Gear - Rear. 1 off. EXS.1407. Bush for Camshaft. 2 off. EXS.1408. Oil Guide - Camshaft Centre. 1 off. EXS.1409. Adaptor - Tachometer Drive. 1 off. EXS.1410. Front Housing-Camshaft Bearing. 1 off. EXS.1420. Adj.Washer-Front Camshaft Gear. 1 off. Section 5050. a EXS.1411. Tappet Rocker Arm. 1 off. EXS.1412. Spindle for rocker. 1 off. EXS.1413. Housing - Exhaust Tappet Rocker. 1 off. EXS.1414. Location Bush - Tappet Housing. 2 off. EXS.1415. Assembly of Exhaust Rocker. 1 off. EXS.1416. Modification to Cylinder Block. Section 5000. EXS.1417. Tappet Guide Bush. 2 off. EXS.1418. Modification to Crankcase. The following parts will also be required:- Section 5090. K.210. Bolt for Camshaft Gear Wheels. 10 off. (CONT'D) | ||
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).