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 various mechanical assemblies with quantities, part numbers, and weights.
| Identifier | ExFiles\Box 132\2\ scan0100 | |
| Date | 14th March 1940 | |
| R.R. 1011/1 (2.5) (17267 14-3-40) B.P. 49936 Section Ref. No. No. Off. Part No. Weight lbs. ozs. Carrier plate - Mod. Driving sleeve - clutch Mod. Bolt carrier plate Mod. Nuts " " 2BA Look plates " " Clutch weight - Mod.S/C Spring - clutch Mod. Pin - Carrier plate Mod. Collar-pin-carrier Mod. Rivet carrier pin Mod. Bush - clutch weight.Mod. 8 1 1 6 6 6 6 6 6 6 6 6 D.10114 D.7606 G.5659 K.4307 D.1120 D.11293 D.7546 D.7528 D.7529 D.7530 D.7503 2 10½ Gear - rotor driving full Rivet - clutch plate full Lining - clutches - full 9 1 48 2 D.10014 D.10635 D.10623 4 12¾ Pressure plate - full S/C Deflector Disc " " Driving plate(deflector disc) full S/C. 2 2 2 D.10622 D.10630 D.10632 Deflector disc - clutch full S/C Driving plate(deflector disc)full S/C Driven plate clutches full S/C Rivet - clutch plates full S/C Rivet - (driving plates) clutch full S/C. Pressure peg.full S/C clutches 10 2 2 2 144 48 12 D.10631 D.10629 D.10624 D.10636 D.10635 D.7645 5 9 Gear - rotor driving Mod. Cover plate - Mod. Rivet " " Lining " " 11 1 1 24 1 D.11329 D.10113 D.10635 D.10126 3 8½ Driving plate - Mod. Driven plate " Lining - clutch " Deflector Disc - " clutch Deflector " " " Pressure plate clutch- Mod Pressure peg 12 1 1 3 1 1 1 6 D.10124 D.10125 D.10126 D.10127 D.10128 D.10129 D.7645 3 8¾ Outer race gear shaft 13 3 D.10117 1 7¾ Outer race Outer race gear shaft 14 2 1 D.10118 D.10119 1 12¾ | ||