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).
Specification change document detailing part replacements and modifications for jacks and springs.
| Identifier | ExFiles\Box 139\1\ scan0241 | |
| Date | 6th July 1936 | |
| -2- BY/HEB{H. Biraben}2/M.6.7.36 Cont'd.{John DeLooze - Company Secretary} Sec.7400. FB.2601 Dunlop Jack and Handle. 1 off replacing FB.2433. The following additional standard parts will also be required: Sec:7030. K.2873 C'sk.Screw (Jack Pad). 4 off replacing FB.757 K.4006 Nut. ( " " ) 4 " ADDITIONAL. K.9006 S/Washer ( " " ) 4 " The No.off of the following has been altered: Sec:7020. F.100121 Distance Piece (Spring Clip)Front, from 12 to 10 off. K.121 Bolt ( " " ) " 12 to 10 " K.4307 Lock Nut ( " " ) " 12 to 10 " K.9006 Spg:Washer. ( " " ) " 12 to 10 " For all other particulars work to L.O.P's FB.993, FB.994, and FB.2059. Due to this alteration to design, the existing material will be Scrap A.T.D. immediately the new parts are available. The existing Front Springs FB.1248 are to be returned to the Makers' to be modified in accordance with FB.2457. The modification consists of fitting a plate and "Woodhead" type clip in place of one "Firth" type clip. The rear springs are unaltered. Owing to the fitting of new Jack Pads, the Front and Rear Spring Gaiters will require modifying as shown on the above schemes, and the Gaiter Makers' should be informed re manufacture of future supplies. The L.O.P's will be modified at a later date. BY/HEB.{H. Biraben} | ||