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).
Springing specifications for car 58-GN, including spring loads, damper settings, clearances, and vehicle weight.
| Identifier | ExFiles\Box 17\1\ Scan039 | |
| Date | 17th June 1931 | |
| 87410 Hd{Mr Hayward/Mr Huddy}/S.B. From Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}8/MJ.17.6.31. SPRINGING 58-GN. (Sg{Arthur F. Sidgreaves - MD}'s. Car.) 87960 The above car was fitted with the following springs in the Expl. Dept., in January 1931. :- Front Springs. F.78797. N.S. O.S. Loaded Lbs. 1108. 1120. Loaded Camber. Flat. Flat. Initial Camber. 4.5" 4.5" Rear Springs. F.79449. N.S. O.S. Loaded lbs. 1346. 1368. Loaded Camber. Flat. Flat. Initial Camber. 10.25" 10.25" The hydraulic damper loads were as follows:- Front. H.P. 100 lbs. L.P. 95 lbs. High pressure valve drilled .032" dia. leak. Rear. H.P. 60 lbs. L.P. 60 lbs. No drilled valves. The buffer clearances with four passengers (No luggage) were- Front. N.S. 1.8" O.S. 1.7" Rear. 3.75" 3.75" Car weight complete with all spares, petrol etc., :- Front. 22 cwt. 1 qr. 21 lbs. Rear. 28 cwt. 2 qr. 7 lbs. Total. 51 cwt. - qr. 7 lbs. Hs{Lord Ernest Hives - Chair}/A.J.Lidsey. | ||