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 report on Cadillac frame distortion under varying loads.
| Identifier | ExFiles\Box 125\1\ scan0236 | |
| Date | 5th April 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} L1729 Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}15/KW.5.4.35. Cadillac Frame Distortion. 1st Point - Front end of side members } 76.75" 2nd " 1st Body Bracket } 20" 3rd " 2nd " " } 20" 4th " 3rd " " } 27" 5th " 4th " " } 36.5" 6th " 5th " " } 21" 7th " Rear end of side members Loads applied equally N.S. up and O.S. down; front C/S 30.5" and rear C/S 43.5" Points | 1 | 2 | 3 | 4 | 5 | 6 | 7 --- | --- | --- | --- | --- | --- | --- | --- 600 lbs. | Level | 0°-10'L | 0°-30'L | 0°-30'L | 0°-50'L | 1°-10'L | 1°-10'L 800 lbs. | 1°-30'R | 1°-20'R | 1°- 0'R | 0°-50'R | 0°-30'R | 0°-20'R | 0°-20'R 1000 lbs. | 2-20 | 2-0 | 1-30 | 1-20 | 1°-10' | 0°-40'R | 0°-40'R 1200 lbs. | 2-50 | 2-20 | 1-50 | 1-40 | 1-20 | 1°- 0'R | 0°-50'R 1400 lbs. | 3-30 | 2-50 | 2-10 | 2-0 | 1-40 | 1-0 | 0°-50'R 1600 lbs. | 4-0 | 3-0 | 2-30 | 2-20 | 2-0 | 1-20 | 1°-10'R 1800 lbs. | 4-20 | 3-20 | 2-50 | 2-40 | 2-20 | 1-30 | 1-10 Frame balanced about centre of front; N.S.R. shackle anchored and O.S.R. supported on trestle. Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Ratcliffe. | ||