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 Borg & Beck Company Ltd discussing the application of an 11' clutch for the 20/25 HP chassis.
| Identifier | ExFiles\Box 129\2\ scan0160 | |
| Date | 19th December 1935 | |
| X1110 Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS: Tachbrook Road, LEAMINGTON SPA. Warwickshire. Directors E.{Mr Elliott - Chief Engineer} B. BOUGHTON. W. EMMOTT. D.{John DeLooze - Company Secretary} T. BROCK. Your Ref. Hs.{Lord Ernest Hives - Chair}Smth.22/KW. Our Ref. TS/HTB/LP.{Mr Lappin} 19th December 1935. Messrs. Rolls-Royce Ltd., DERBY. For the attention of Mr. W. A.{Mr Adams} Robotham. Dear Sirs, Re 11" Clutch Application. We have to acknowledge with many thanks receipt of your letter of the 18th instant and note that you are primarily interested in the non-ventilated type clutch of 11" diameter for application to your 20/25 HP chassis instead of the 11" ventilated which we previously understood. However, we take it that the latter type clutch is receiving your consideration inasmuch as same will eventually replace the 11.A3 or non-ventilated type. No doubt our Installation Drawing illustrating the ventilated i.e. 11.A6 type clutch is now safely to hand. In the meantime, we are enclosing herewith revised drawing No.SK.30600 giving installation particulars of the 11.A3 type and from this you will observe that we have added the dimensions and limits of the outside diameter of the cover flange such as we propose for production. We understand that you will carry out similar proceeding to that decided upon for the 10" clutch i.e. that you will arrange for jigs and fixtures so that same are located from the machined outside diameter of the cover flange and that you will re-ream the bolt holes as well as the additional locating peg hole to suit your individual requirements. You will appreciate that should you decide to favour us with your production orders in this size clutch we shall require approximately four weeks from receipt of your instructions to enable us to obtain the necessary jigs and fixtures for balancing etc. You will recall that our present method of Cont'd...... | ||