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).
Specification list of ten components for the 'No. 2 Unit'.
| Identifier | ExFiles\Box 4\1\ 01-page227 | |
| Date | 25th January 1935 | |
| 25.1.35. No. 2 UNIT. (1) Camshaft Hs.{Lord Ernest Hives - Chair}1536. (2) {Valve springs as previously, Hs.{Lord Ernest Hives - Chair}1607. (Plunger springs E.85321. (Solid distance pieces instead of spacing springs. (New tappets. (No tappet springs to be fitted. (Otherwise to LOP.E.65337. (3) Pistons, semi-split B.V.42. (4) New carburettors with outside balance pipe. (5) New type distributor. (6) New ex. manifolds Lec.4184. (7) Push rods to Lec.4250 (8) Strap type con. rod is available. (9) Single plate clutch, N.Sch.4229. (10) Distributor to Lec.4177. | ||