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 from piston manufacturer Specialloid seeking clarification on piston specifications for Bentley and Rolls Royce models.
| Identifier | ExFiles\Box 148\4\ scan0324 | |
| Date | 3rd September 1937 | |
| 1254. SOLE MANUFACTURERS OF Specialloid PISTONS Specialloid LIMITED Friern Park . North Finchley London . N.12 TELEPHONES: HILLSIDE 2233 7 LINES TELEGRAMS: "SPECIALLOID . LONDON" DIRECTORS: J.{Mr Johnson W.M.} H.{Arthur M. Hanbury - Head Complaints} PLATFORD, CHAIRMAN. H.{Arthur M. Hanbury - Head Complaints} N. BATES, M.I.M.E., MANAGING DIRECTOR. C. F.{Mr Friese} RUSSELL, .... GENERAL MANAGER. ON AIR MINISTRY, WAR OFFICE AND ADMIRALTY LISTS OUR REF. ASR/CWR YOUR REF. DATE 3rd September, 1937 Messrs. Rolls-Royce, Ltd., DERBY. FOR THE ATTENTION OF MR. MATTHEWS. Exp- WST Dear Sirs, With reference to the Print Part No. E.60632, showing the type of piston fitted to our Managing Director's 4 1/4 Litre Bentley, which you so kindly sent to us, we should appreciate it if you would let us know whether the nominal bore size is 3 1/2", or 89 m.m., and to what limits the bores are machined. Additionally, would you please advise whether the gudgeon pin is fully floating, or clamped in the small end. If the latter, a print of the gudgeon pin would be welcomed. It has been brought to our notice that Piston Part No. E.60632 is also fitted to the 1937 25/30 h.p. Rolls Royce, and we should like your confirmation on this point. Thanking you for your kind co-operation, We remain, Yours faithfully, FOR AND ON BEHALF OF SPECIALLOID LIMITED [Signature] CHIEF DRAUGHTSMAN (A.{Mr Adams} S. Robinson) | ||