List of specifications and modifications for various engine components and assemblies.
| Identifier | ExFiles\Box 5a\1\ 01-page009 | |
| Date | 6th January 1931 guessed | |
| (3) (3) Damping Friction 8 lbs. 17+" rad. To obtain this, 4 damping springs E.56208 removed. (4) Driving Spring load . 9 1/4 lbs. at 17+" rad: CYLINDERS to LOP E.55334-Scheme 1275 - Lec 2607. E.56057 Pedestal stud ) To suit Ignition E.56058 Bracket ) Timing to E.56059 Pivot ) Scheme 1275. E.56094 Dist. piece - To bring Fan Drive further out to suit Dynamo Drive to Lec & 2607 E.56053 Valve Guides - To suit Gland Mod. Scheme 1253. VALVES & FITTINGS to LOP E.55577. E.56050 Valve Stem Packings E.56051 " Spring Washers E.53158 Exhaust Valves (S/SLV). E.55606 Inlet Valves (3 1/4% N.S.). E.55672 Valve Springs (Closed end type). MAGNETO & DYNAMO DRIVE Lec. 2609. Improved dynamo drive lubricated from the low pressure oil supply. To overcome gear rattles. Timing of magneto too course this has to be settled by E. {Mr Elliott - Chief Engineer} | ||
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).