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).
Fitting twelve balance weights to the big pin 25 HP crankshaft.
| Identifier | ExFiles\Box 103\3\ scan0067 | |
| Date | 29th May 1931 | |
| 85010. To RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}10/MJ.29.5.31. BALANCE WEIGHTS. Further to Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}5/MJ.29.5.31., we shall fit twelve of these to the big pin 25 HP. crankshaft. Approximate weight complete with stud and nut is 2.26 lbs. Hs{Lord Ernest Hives - Chair}/H.Grylls. | ||