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).
Revised specification for Chassis 25-EX (Unit No.21) following 10,000 miles trials.
| Identifier | ExFiles\Box 169\1\ img177 | |
| Date | 22th June 1931 | |
| 74663. To He. from FFC/WSC.{W. S. Cassel} RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}2/IS.22.6.31. CHASSIS 25-EX.(UNIT NO.21.) 10,000 MILES TRIALS. We give herewith complete revised specification of the above Chassis. PASSED TO TEST 20.6.31. Frames & Fittings to IOP. F.81238 - LeC's 2910/11. Diamond Engine Mounting and Torque Carrying Feet to LeC.2910/11. F.83792-3 6th. Crossmember. F.83789 Sockets for 6th. Crossmember. F.83816 Brazing Arrgt 6th. Crossmember. F.83817 " " Front Crossmember. Wings and Wing Stays to IOP.F.8067. Front Road Springs. N.S. O.S. Drawing No. F.78792. F.78792. Piece No. F.78797 F.78797. Lubrication No. F.80880 F.80880. Type 1100 lbs. 1100 lbs. Loaded lbs. 1120 lbs. 1100 lbs. Loaded Camber. Flat. Flat. Loaded length. 45" 45" Initial Camber. 4 17/32, 4½. Material S/SIM. S/SIM. Wefco Gaiters. fitted. Spring Clips fitted - replacing Solid Type carrying Oil Pipes on Springs. -cont'd- | ||