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).
List of specifications and tests for various engine components and builds.
| Identifier | ExFiles\Box 155\2\ scan0175 | |
| Date | 20th December 1937 | |
| -2- No. 5 - 8 EB.3256 coiled R.R. on small machine. No.9 - 12 EB.3256 made by T.S.C. in temporary use on production. B.4. Oil consumption and piston tests in No.5. A.C.2. main bearings. A.C.7 (Std) connecting rod bearings. Std. cylinder head ex B.9 unit and springs. 4' - 6 grummets fitted to overcome bounce. Klingerit 1000 cylinder head gasket. " inlet manifold washers. Cylinder block with gland connection bottom bend. T slot pistons and high press. rings. Inertia damper (Rm.{William Robotham - Chief Engineer}252) with solid centre piece. B.9. Dismantled for inspection in shop. To be rebuilt with thin section big end bearings to note whether piston hits cyl. head if bearing fails. B.11 (Small bore). Clutch tests for Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} in No.5 test house. Lead bronze centri-cast end bearings, whitemetal main bearings. .002 oversize cylinder block. 50% increased capacity oil pump (Straight gears) Otherwise old standard 3 1/2 litre unit. B.15 (B.23.AE). Main bearing A.C.2 R.R.56 liners. Std. crankshaft .2 - .218 holes in journals, 1 - .218 and 1 - .125 in each crankpin. | ||