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 components and modifications for No. 1 Unit.
| Identifier | ExFiles\Box 4\1\ 01-page226 | |
| Date | 26th January 1935 | |
| 26.1.35. No. 1 UNIT. (1) Camshaft Hs.{Lord Ernest Hives - Chair}1536. (2) Aerolite pistons out of No. 2 Unit. (3) Valve springs E.85316. Modified self-adjusting tappets as fitted to No. 3 unit with the following alteration - Distance pieces to replace springs. E.85321 plunger springs. (4) New type of R.R. distributors with the modified governor springs (Hs.{Lord Ernest Hives - Chair}1676). (5) New design of con. rod big end avoiding cross drilling (Lead Bronze). (6) Test carbs. off No. 3 unit with outside balance and later to be fitted with reversed throttles. (7) Crankcase with modified water passages, LeC.4074. (8) Single plate clutch N.Sch.4229. (9) Improved timing gears. (10) C. & A.{Mr Adams} cylinder head gaskets. (11) Distributor to LeC.4177. | ||