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 modifications and tests for different vehicle chassis and engine unit configurations.
| Identifier | ExFiles\Box 82\4\ scan0139 | |
| Date | 21th June 1935 guessed | |
| 5-B-IV. Modify and re-modify over a period of 4 months for 10,000 miles test in France. Centralised wings and radiator, etc. (See 10,000 miles specification). 6-B-IV. Chassis prepared for Park Wards to mount body. Bumper Chassis. Complete bumper chassis incorporating :- Flexible rear engine mounting - LeC.3909-3937. Concealed front crossmember - RR.Sch.614. Stabilising bumper - N.S.4236. Rear Damper suspension - N.S.4110-4042. Flexible front suspension - N.S.4167. Front axle with strengthened steering pivots - N.S.4303. B-12 Engine Unit. 4 Journal bearing type crankshaft. Graham supercharger. Carburetter air silencer - Hs.{Lord Ernest Hives - Chair}1778. Lightened drilled up connecting rods and lead bronze strip bearings. Aerolite pistons. Borg & Beck Clutch. B-9 Engine Unit. Aerolite pistons and piston seizure tests. Borg & Beck clutch. SpectreCodename for Phantom III induction tests. B-5 Engine Unit. Lightened flywheel and clutch incorporating increased friction surfaces, N.S.3948. Large helical gear oil pump, LeC.4288-4291. LEAD BRONZE BEARINGS B-2 Engine Unit. Aerolite pistons and piston seizure tests. Small bore induction pipes. SpectreCodename for Phantom III induction tests. | ||