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 the Merlin 2-speed supercharger.
| Identifier | ExFiles\Box 132\2\ scan0097 | |
| Date | 14th March 1940 | |
| R.R. 1841/1 (2&5) (17267 14-3-40) B.P. 49936 Section Merlin 2-speed S/charger Ref. No. No. Off. Part No. Weight lbs. ozs. Casing - supercharger rear half 1 D.11575 Stud - boost reg.casing 1 E.36263 Stud control bkt.main 1 G.52811 Stud ignition control bkt. 2 E.37310 Stud boost - reg. - casing 1 E.40869 Stud end throttle con.L.H. 1 E.39708 Stud s/charger joint face 2 D.4772 Stud s/charger joint face 5 D.6678 Stud s/charger joint face 6 D.6677 Stud end con.throttle heater 2 E.82702 Stud induction elbow s/charger flange 4 G.52080 Stud rear bearing flanged bush 3 E.26441 Stud boost reg.casing 1 E.31989 Unit No.plate 1 D.5446 Screw No.plate 4 E.32706 Stud clip heater pipe 1 E.36294 Stud - control main 2 E.39891 Stud clips - oil pipe 4 D.5622 Plug, core holes rear casing 2 E.26963 Plug core holes - water jacket 2 E.35221 Plug boost - reg. - passages 2 E.54175 Adaptor - slow running jet 4 D.6318 Throttle shaft 1 SU.02220 Plug - throttle shaft 2 SU.02221 Taper pin inner bush throttle spindle 2 SU.02077 Taper pin bush throttle shaft 2 SU.0281 Bolt throttle lever 1 SU.02093 Bellows throttle shaft 2 SU.02222 Retaining nut - spring throttle shaft 2 SU.02224 Extractor piece - bellowsthrottle shaft 2 SU.02225 Bush - bellows throttle shaft end 2 SU.02226/1 Lock nut - throttle lever stop 1 SU.02659 Cap nut - throttle lever stop 1 SU.02660 Stud - throttle lever stop 1 SU.02661 Stop - throttle lever stop 1 SU.02662 Bush - inner throttle shaft 2 SU.01636 Bush - outer throttle shaft 2 SU.01637 Throttle lever 1 SU.01643 Tab washer - throttle lever stop 2 SU.01662 Lock-nut - throttle shaft end 2 SU.01663 Rivit plug, throttle shaft ends 2 SU.01665 Nut throttle shaft ends 2 SU.01666 Bolt - throttle disc 2 SU.01667 Throttle disc 2 SU.01668 (cont'd - | ||