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).
Test data showing deflection measurements for a Bentley frame under various loads.
| Identifier | ExFiles\Box 86\4\ scan0202 | |
| Date | 19th July 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} 1/2-7 Hs{Lord Ernest Hives - Chair}/KS.8/KW.19.7.35. Bentley Frame. Boxed in at Front End, without Dashboard. 1st Point - Front Cross Member 2nd " Rear of where cross bracing was } 28" 3rd " 1st Body Bracket } 48" 4th " 2nd " " } 27" 5th " 3rd " " } 26" 6th " Rear Cross Member } 35" Front centre at 25". Rear centre at 43". | Points | 1 | 2 | 3 | 4 | 5 | 6 | |----------|------------------|------------------|-----------------|-----------------|-----------------|-------------| | 400 lbs. | 12°-0'R | 8°-40'R | 4°-0'R | 3°-30'R | 1°-40'R | 0°-0' | | 600 lbs. | 6 - 10 / 18 - 20 | 4 - 10 / 13 - 0 | 2 - 10 / 6 - 20 | 1 - 20 / 5 - 0 | 1 - 0 / 2 - 50 | 0 / 0 - 10°R.{Sir Henry Royce} | | 800 lbs. | 11 - 40 / 24 - 0 | 7 - 5 / 16 - 50 | 4 - 10 / 8 - 30 | 2 - 40 / 6 - 30 | 1 - 40 / 3 - 40 | 0 / 0 - 20 R | Frame balanced about centre of front cross member. N.S.R. shackle anchored and O.S. supported on trestle. Hs{Lord Ernest Hives - Chair}/K.E.Scholes. | ||