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 required modifications and updates for various vehicle components, including the instrument board, Condor engine, and electrical starter.
| Identifier | ExFiles\Box 18\6\ Scan041 | |
| Date | 8th December 1919 | |
| F.H. 199 (250T) (SD676 19-7-17) MP:80865 - 2 - (BY/JH7/H.8.12.19). Instrument Board - Union Body, F.7458. Turning size on above part altered from .656 to .648-4. to agree with standard practice of leaving a flat on top of thread. Reason:- T.O.Request. Main Switch fitted on Dash. (Sec.7260. New Baseplate and method of fitting to Dash. This means new drilling in dash to suit this. Reason:- Experimental D.O.request. CONDOR ENGINE. ------------ CRANKCASE & Bearings. - E.15945. Stud. Requires re-dimensioning and undercut adding. Crankcase & Bearings - E.15367. Stud. Requires re-dimensioning. Oil Relief Valve. - E.18924 - Stud. The Tool Dept. are asking for the position of one of the Oil Holes to be modified, as at present it coincides with the point at which the screwed portion joins the undercut portion. Electrical Power Starter:- E.17531. Anchor Bracket - requires machining marks adding. E.17308. Motor Shaft Sunwheel. - The Tool Dept. require 60º Counter-sink adding at each end of the bore to facilitate manufacture. E.17655. Washer - Limits require adding. E.17661. Elbow. The .050 chamfer at 45º requires modifying to agree with the difference in the | ||