Parts list for a modified radiator mounting for the Wraith III chassis, detailing required and non-required components.
| Identifier | ExFiles\Box 9\3\ 03-page105 | |
| Date | 16th May 1938 | |
| 640 c. Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /Std. BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 14/G.16.5.38. WRAITH III. CHASSIS. FRAME & FITTINGS - SECTION 7000. RADIATOR AND FITTINGS - SECTION 5250. Please receive herewith two blueprints of each of the following :- S.CD.659 Modified Radiator Mounting. Section 7000. Ex.S.749 Radiator Support Bracket - Lower. 1 off. Ex.S.750-4 Adjustable Packing - Upper Support 1 off to suit. Section 5250. Ex.S.755 Radiator Support Bracket - Upper. 1 off. Ex.S.756 Radiator Yoke 1 off. The following existing parts will also be required :- Section 7000. K.205 Bolt - Upper Support for Radiator. 4 off. K.9008 Washer " " " " 4 off. K.4310 Nut " " " " 4 off. Section 5250. K.403 Bolt for Support Block. 2 off. K.9010 Washer " " " 2 off. K.4316 Nut " " " 2 off. "Firestone" Mounting Block No. 42234 1 off. K.9009 Washer for Support Block Studs 2 off. K.4313 Nut " " " " 2 off. The following parts will not be required :- Section 7000. FW.324 D.C. Bracket 1 off. FW.325 Bolt 1 off. FW.326-30 Adj. Packing 1 off to suit. FW.336 Washer 1 off. Silentbloc Bush No. E.2133 1 off. KB.3593 Nut 1 off. K.4614 S. Pin. 1 off. K.208 Bolt 4 off. | ||
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).