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).
Modified lubrication holes and grooves in road springs for the 'SS' Chassis to cure squeaking.
| Identifier | ExFiles\Box 16\7\ Scan167 | |
| Date | 15th April 1929 | |
| 47410 C. Hs.{Lord Ernest Hives - Chair} BY/HEB{H. Biraben}6/M.15.4.29. "SS{S. Smith}" CHASSIS. FRONT SPRINGS AND FITTINGS SEC:7020. REAR SPRINGS AND FITTINGS SEC:7030. MODIFIED LUBRICATION HOLES AND GROOVES IN ROAD SPRINGS IN ACCORDANCE WITH "N" SCHEME 2862. (Figs.2 & 5). Further to our memos' BY/HEB{H. Biraben}9/M.6.2.29. and BY/HEB{H. Biraben}4/M.9.2.29. herewith please receive one Blue Print of each of the following:- F.80879 Rear Road Spring. 2 off per chassis. F.80880 Front " 2 " " " F.80881 Taper Peg. 4 " " " Kindly produce and fit to Expl: Chassis, noting that these drawings replace:- F.80496 Rear Road Spring. F.80467 Front " which were issued with the above memos' in connection with "N" Scheme 2787. It will be noticed on drawings F.80879/80 we have only instructed Grooves in the top four plates. We shall be glad to know if this is sufficient to cure squeaking, and if not the minimum number of Plates it is necessary to groove to cure all squeaking. BY/HEB.{H. Biraben} | ||