Parts and blueprints for the Wraith III chassis front axle needle roller lower pivot bearing.
| Identifier | ExFiles\Box 7\2\ Axle Front-page3 | |
| Date | 20th January 1938 | |
| 661 To. WHS. [REDACTED] [REDACTED] c. Bm/Hdy. {William Hardy} BY {R.W. Bailey - Chief Engineer} /CHL.1/E.20.1.38. F {Mr Friese} /H. WRAITH III. CHASSIS. SECTION 7040. FRONT AXLE. P.D.97. Needle Roller Lower Pivot Bearing. Please receive herewith two blue prints of each of the following, and where a Pressing is required, an extra blue print has been sent :- GW.1959. Washer. Pivot Bearing. 2 off per set. (2 Prints). GW.1960. Packing Ring. Felt Washer. 2 " " " " GW.1961. Outer Race. Lower Pivot Brg. 2 " " " " GW.1962. Pivot Pin. 2 " " " " GW.1963. Front Axle Yoke. RH. {R. Hollingworth} 1 " " " " GW.1964. " " " LH. {Mr Haworth} 1 " " " " We also send one blue print of P.D.97. The above pieces, which have been produced in accordance with P.D.97, are required to reduce the possibility of the Lower Pivot Bearing seizing up. The following will also be required for use with the above :- Needle Rollers 2.5 m {Mr Moon / Mr Moore} /m x 13.8 m {Mr Moon / Mr Moore} /m. 68 off per set. The pieces at present used are replaced by the above as follows :- GW.395. replaced by - GW.1961. GW.1817. " " - GW.1962. GW.1763. " " - GW.1963. GW.1764. " " - GW.1964. New Piece. - GW.1959. " " - GW.1960. Additional. - Needle Rollers. 225. -1- | ||
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).