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).
List of parts for the Phantom chassis front axle control damper, corresponding to various axle inclinations.
| Identifier | ExFiles\Box 67\2\ scan0301 | |
| Date | 3rd May 1927 | |
| G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X52420 BY/HEB{H. Biraben}6/M.3.5.27. RECEIVED Hs{Lord Ernest Hives - Chair} MAY 1927 PHANTOM CHASSIS. FRONT AXLE CONTROL DAMPER SEC:7160. IN ACCORDANCE WITH "N"SCHS:2294 & 2331. Please receive herewith one blue print of each of the following:- F.76919-24 Front Spring Packing. 2 off per chassis. F.76925-30 " " 2 " " " F.76931-36 " " 2 " " " F.76937-42 " " 2 " " " F.76943-46 Packing for Axle Control Damper Feet. 2 off per chassis. F.76949-51 Eye Bolt(Control Damper Anchorage)4 off per chassis Kindly instruct for the above to be produced experimentally in accordance with Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}'s requirements, noting that they are required to give a range of axle inclination, from 1° to 3°, and at the same time retaining the correct position of the Damper Anchorage bracket. The following table shows the parts required for the various axle inclinations.- INCLINATION. SPRING PACKING. DAMPER PACKING. EYE BOLT. 1° 0' F.76919-24. F.76946. F.76949. 1° 30'(STD:) F.75512-18. - F.76376. 2° 0' F.76925-30. F.76943. F.76949. 2° 30' F.76931-36. F.76944. F.76950. 3° 0' F.76937-42. F.76945. F.76951. The following part of which you already have blue prints, will also be required.- F.73526 Dowel Pin for Damper Packing. 2 off. An alteration to the Axle Drawing G.75484 is being sent through by "G" Dept. to show the Dowel Peg hole in the Axle Pad, off set .500 towards Front of chassis. BY/HEB.{H. Biraben} Alh | ||