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).
Recommendations for pattern modifications and production decisions on the 3.5 litre Bentley Chassis.
| Identifier | ExFiles\Box 3\6\ 06-page068 | |
| Date | 1st November 1933 | |
| T.W.F/13 To Mr. From E.{Mr Elliott - Chief Engineer} E.S/HP.1.11.33. c. Hs.{Lord Ernest Hives - Chair} By.{R.W. Bailey - Chief Engineer} Sft.{Mr Swift} Hmr. 3½ litre Bentley Chassis. With further reference to E.S/HP.28.9.33 and Por.6/T.4.10.33, a meeting of Hs.{Lord Ernest Hives - Chair} By.Sft.{Mr Swift} Hmr. and E.{Mr Elliott - Chief Engineer} was held to discuss the position of incomplete sections on the Bentley production, and to see what further recommendations could be put forward, having regard to the testing experienced accumulated since the date of the last report, and to cover those sections which were definitely held up pending a further decision. The sections are as follows, numbered as in the previous two memos abovementioned, for the sake of clearness. (1) Sec. 5001. Crankcase and Bearings. We recommend immediate alteration to the patterns so that bolts can be used when required in the centre main bearing in place of studs, this alteration to be made along with the other pattern modifications that are going through for the starter motor housing. The production however should be limited to 50 in accordance with Por.6/T.4.10.33. (2) Sec. 5010. Crankshaft. We now recommend going ahead with 200 sets of two stud balance weight crankshafts. (3) Sec. 5040. Piston. These are going hand to mouth as per agreement with Nor. and Sft.{Mr Swift} so as not to delay the Bentleys promised for this year. We propose however to revert to the original heat-treatment and to reduce the interference on the gudgeon pin fit. (3) Sec. 5160. Water Pump. We recommend instructing 200 sets as pattern has now been altered to remove boss for bypass. There will be | ||