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).
Weight schedule for various engine components, listed with individual and total weights in pounds and ounces.
Identifier | ExFiles\Box 132\2\ scan0091 | |
Date | 3rd April 1940 guessed | |
-2- No. lbs. ozs. lbs. ozs. 9 (b) (Piston 3 8 1/2) (Gudgeon pin - 15 3/8) (Piston rings - 7 1/2) (Little end bush - 2 3/8) (Calculated from total weight 5 2 ) 10( (Crankshaft including oil caps 112 12 1/4) (bolts, nuts, split pins locknuts - 8 1/2 ) 126 11 1/4 (including weight of pinion and 13 7 ) (retaining ring etc., 11 (Wheelcase and gears total weight ) 39 13 1/2 12 (Rockers & rocker shafts 10 8 ) 26 14 (4 shafts 16 6 ) (48 rockers 13 (Camshaft drive this is } 15 13 (approximate owing to different (design. 14 (Camshaft and bearings 12 2 ) 14 2 1/2 (2 camshafts 1 6 1/2 ) (14 bearing caps - 10 ) (20 halves 15 (Cylinder head (including, valves, springs etc., (cam brackets, induction pipe (sparking plugs, 24 valves per head (Cam brackets 5 1 1/2 ) (Valves, springs, washers (24 off)16 7 ) (Head 70 8 ) 90 6 1/2 (Induction pipe 8 3 ) (Sparking plugs - - ) (Injection plugs on Junkers only - - ) 16 (Rocker Covers L.H. 8 15 ) ( " " R.H. 8 15 ) 28 13 1/2 (Scavenge pump complete 10 15 1/2) | ||