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).
Technical memorandum detailing front spring buffer clearance specifications and comparison with the 'F-2-B' Phantom model.
| Identifier | ExFiles\Box 8\4\ 04-page104 | |
| Date | 29th September 1928 | |
| Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Y615 BY/HEB{H. Biraben}3/M.29.9.28. "SS{S. Smith}". ----- FRONT SPRING BUFFER CLEARANCE. -------------------------- With reference to Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/LG21.5.28, kindly note the latest particulars for Front Springs from W.W. are as follows:- Free Camber 3.500. Fully loaded Camber .400 pos: Buffer to Spring Clip Clearance 1.750. Rating 371 lbs/inch. Kindly note this compares with "F-2-B" Phantom as follows:- Free Camber 2.100. Fully loaded Camber 1.000 Neg: Buffer to Spring Clip Clearance 1.750. Rating 371 lbs/inch. BY/HEB.{H. Biraben} HEB{H. Biraben} | ||