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).
Experimental frame testing, tyre options, and maintaining consistent weight on test vehicles.
| Identifier | ExFiles\Box 119\2\ scan0004 | |
| Date | 26th September 1913 guessed | |
| Wor{Arthur Wormald - General Works Manager}/EH6/L12913. 2. more than one frame of each type to arrive at an average, the thickness of the metal varies considerably and the conditions of it. We might test with Palmer tyres as were fitted to Wilson's car, they are heavier and are as a rule pumped harder. We keep all our tyres on the test at 75 lbs. On the cars which we are fixing up with experimental frames for breaking we are only fixing the units so as to keep the weight the same, we shall be able to get them running again very much quicker than if they were completed cars. | ||