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 Bentley frame distortion under various loads.
| Identifier | ExFiles\Box 86\4\ scan0195 | |
| Date | 4th April 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Gry{Shadwell Grylls}: Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe} 8/KW.4.4.35. Bentley Frame Distortion. 1st Point 1st cross member 2nd " Centre of 1st & 2nd points } 27.75" 3rd " C/L of dashboard } 27.75" 4th " 2nd body bracket } 21" 5th " 3rd body bracket } 27" 6th " 4th body bracket } 26.5" 7th " Last crossmember } 33" Deflection of frame vertically at 1st point to 3rd point with max. load of 400 lbs. applied equally N.S. up and O.S. down = 0.75". Front centres at 25.75" and rear centres at 43.25". Points 1 2 3 4 5 6 7 200 lbs. 3º-0'R 1º-40'R 0º-30'L 1º-0'L 1º-20'L 2º-10'L 3º-10'L 300 " 6-10 R 4 -10 R 1 -40 R 0 -40R 0 -10 R 1 - 0 L 2 -10 L 400 " 8-30 R 6 - 0 R 3 - 0 R 1 -40R 0 -50 R 0 -30 L 1 -50 L 500 " 11-40 R 8 -20 R 4 -40 R 3 - 0R 1 -40 R 0 -10 R 1 -50 L 600 " 14-10 R 10-30 R 6 - 0 R 4 - 0R 2 -30 R 0 -40 R 1 -40 L 700 " 16-20 R 12- 0 R 7 - 0 R 4 -50 R 3 - 0 R 1 - 0 R 1 -30 L 800 " 19-20 R 14-20 R 8 -40 R 6 - 0 R 3 -40 R 1 -20 R 1-30 L Frame balanced about centre of front crossmember; N.S.R. shackle anchored & O.S.R. supported on trestle. Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Ratcliffe. | ||