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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)
  
  


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