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).
The fitting and performance of Graphite Bronze clutch faces on two 3½-litre Bentley vehicles.
| Identifier | ExFiles\Box 146\1\ scan0092 | |
| Date | 10th November 1937 | |
| Handwritten: Rm{William Robotham - Chief Engineer} to note file 1245 wave K/W. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} c to GWH.{George W. Hancock - Head Chateauroux} Pk/KC/DPB/10.11.37. re: GRAPHITE BRONZE CLUTCH FACES. 20/25.HP and 3½-litre BENTLEY. ------- re: Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}16/JH.21.10.37. The two sets of Graphite Bronze clutch facings left by you on the occasion of your last visit to K have been fitted to two 3½-litres, the chassis numbers of which are given below:- B.153.DK. Mileage 28502. B.159.BL. " 23730. B.153.DK is in the hands of the owner and so far there have been no comments regarding clutch operation. B.159.BL will be delivered to the owner tomorrow and as he is well known to the writer, we hope to be able to furnish you with some information in due course. For your information Chassis No.B.159.BL is the property of F.J.Dykes of Trinity College, Cambridge - a friend of Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Our test reports on both of these clutches are excellent in every respect. Pk/KC. | ||