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).
Parts list for a scheme to adapt a Kestrel supercharger to a Wraith 11. Rig Engine.
| Identifier | ExFiles\Box 140\1\ scan0234 | |
| Date | 11th November 1938 | |
| [Handwritten annotations at top] 1171? HPS{Horace Percy Smith - Experimental Factory Mgr} [crossed out] c. Rm.{William Robotham - Chief Engineer} [crossed out] c. Rm{William Robotham - Chief Engineer}/Swdl{Len H. Swindell} [crossed out] BY/Ald.{F. Allwood - Experimental Design}13/G.9.11.38. SECTION 6000. FLYWHEEL, CLUTCH AND KESTREL SUPERCHARGER. SECTION 5050. CYLINDERS. Please receive herewith two prints of each of the following :- S.CD.955 Scheme for adapting a Kestrel supercharger to Wraith 11. Rig Engine. SECTION 6000. Ex.S.1183 Distance Piece - Gear Case. 3 off. Ex.S.1184 Cover - Gear Case. 1 off. Ex.S.1185 Joint - Cover - Gear Case. 1 off. Ex.S.1186 Front Casing - Driving Gears. 1 off. Ex.S.1187 Clutch Casing. 1 off. Ex.S.1188 Front Cover - Trunnion. 1 off. Ex.S.1189 Driving Shaft - Supercharger. 1 off. Ex.S.1190 Spigot Plate - Clutch Casing. 1 off. Ex.S.1191 Support Plate - Engine. 1 off. Ex.S.1192 Support Plate - Assembly. 1 off. SECTION 5050. Ex.S.1193 Junction Pillar. 1 off. The following parts will also be required for use with the above :- K.226 Bolt - Support Plate. 3 off. K.222 Bolt - " ". 1 off. K.214 Bolt - " ". 4 off. KB.356 Stud - " ". 7 off. KB.756 " - " ". 2 off. KB.366 " Clutch Casing. 3 off. KB.372 " " ". 4 off. KB.375 " " ". 2 off. K.2919 Countersunk Screw - Support. 1 off. G.74312 Stud - Cover - Casing. 4 off. K.4310 Nut. 21 off. K.9008 S. Washer. 30 off. K.4008 Nut. 9 off. KB.807 Stud - Clutch Casing. 8 off. K.{Mr Kilner} 307 Bolt - Support. 2 off. K.4009 Nut. 10 off. K.9009 S. Washer. 10 off. E.53023 Bolt - Cover - Trunnion. 6 off. KB.3581 Castle Nut. 6 off. K.4602 S. Pin. 6 off. | ||