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 discussing the spring performance and axle weights of a Phantom II vehicle on various road conditions.
| Identifier | ExFiles\Box 16\7\ Scan249 | |
| Date | 15th May 1930 | |
| X7410 Hm.{Capt. W. Hallam - Head Repairs} Derby D.{John DeLooze - Company Secretary} to By.{R.W. Bailey - Chief Engineer} Derby C. to HS.{Lord Ernest Hives - Chair} Derby Bombay, NRC{N. R. Chandler}9/G15.5.30. Re: Springs - Phantom II -------------------- I am very glad to have your Hm{Capt. W. Hallam - Head Repairs}/SB{Mr Bull/Mr Bannister}16/KW26.3.30 and the excellent chart R2146 attached. As a matter of interest, 76-WJ can fairly easily be made to bump both back and front buffers with 4 passengers and no luggage on a bad road. The weights are F.A. 20 - 3 - 16 R.A. 25 - 0 - 0 ------------------ 45 - 3 - 16 taken with 4 gallons petrol. There is an ice chest immediately behind the body and one spare wheel on a Hooper bracket) behind that. The springs are 1020 and 1130 lbs. Taking the R.A.W. as 26 cwt. (to allow for a full tank) and 4 passengers, the rear springs just correspond with "light" on the chart R2146. On average main road, driven fast, the car bumps only occasionally, but on very bad roads rather often. I thought you would be interested to know this, as it appears to agree very well with your chart, and is based on some 2400 miles driving with 76-WJ, including a trip from Delhi to Calcutta. 70-WJ has never touched the buffers, but I do not know the axle weights and the car is now sold, so I can't apply the chart. NRC.{N. R. Chandler} WBC | ||