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 blueprints and standard parts required for the Wraith 11 water pump, sections 5160 and 5050.
| Identifier | ExFiles\Box 149a\1\ scan0167 | |
| Date | 15th January 1938 | |
| 1269 HPS{Horace Percy Smith - Experimental Factory Mgr} c. Rm.{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/Std. BY/Ald.{F. Allwood - Experimental Design}2/G.15.1.38. WRAITH 11 - WATER PUMP. SECTIONS 5160 & 5050. Please receive herewith two blueprints of.- S.CD.234 Larger Wraith Water Pump. together with two prints of the following (three where marked thus *) detailed in accordance with the above scheme and Rm{William Robotham - Chief Engineer}/Std.3/MH.{M. Huckerby}27.10.37.- SECTION 5160. Ex.S.205 Assembly of Spindle and Bearing. Ex.S.206 Sealing Washer. Ex.S.207 Sealing Gland. Ex.S.209 Coupling - Pump Drive. Ex.S.418 Locking Clip. Ex.S.420 Nozzle - End Cover. Ex.S.421 Joint - " " Ex.S.422 End Cover. Ex.S.423 Rotor. *Ex.S.424 Pump Casing. SECTION 5050. *Ex.S.419 Elbow. The following standard parts will also be required :- SECTION 5050. KB.375 Stud - Pump Fixing. 2 off. K.4008 Nut " " 2 off. K.9008 Washer " " 2 off. SECTION 5160. KB.250 Stud - End Cover. 9 off. K.4008 Nut " " 9 off. K.9008 Washer " " 9 off. KB.2108 Rivet " " 6 off. The actual pieces of Ex.S.205/6/7 can be had from Rm{William Robotham - Chief Engineer}/Std. Kindly instruct one set. old BY/Ald.{F. Allwood - Experimental Design} | ||