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).
Letter to Messrs. Specialloid Ltd. providing particulars regarding piston details and gudgeon pin specifications.
| Identifier | ExFiles\Box 148\4\ scan0302 | |
| Date | 3rd October 1934 | |
| Exptl. Dept. 3rd October, 1934. Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}27/KW. Messrs. Specialloid Ltd., Friern Park, North Finchley, London, N.12. Your Ref: LPG/E.J/SERVICE. For attention of L.P.Gibson, Esq. Dear Sirs, In reply to your letter of the 28th of September, in which you ask for further particulars regarding piston details, we enclose herewith the drawing of our Gudgeon Pin, E.B.501. You are correct in assuming the nominal bore to be 3.250" dia. the cylinder bores are finally finished to a + .001 limit. With regard to the other item, namely, the distance between the Gudgeon Pin bosses, this should be 1.365" with a + .010 limit. Trusting these particulars cover everything you wish to know. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||