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).
'Spectre' frame distortion tests, detailing measurements at various points under increasing loads.
| Identifier | ExFiles\Box 94\4\ scan0016 | |
| Date | 5th November 1934 | |
| To Hs{Lord Ernest Hives - Chair}/Grv. L694 327 5.11.34. SpectreCodename for Phantom III Frame Distortion. 1st Point - Lamp & Horn member } 16" 2nd " C/L of pivots } 3rd " Dashboard } 42.75" } 53" 4th " C/L of dash & rear axle } 5th " Rear axle } } 53" 6th " Rear cross member } 26" Width at front centres 34.75" and at rear 45". Loads applied equally N.S.F. down and O.S.F. up. | Points | 1 | 2 | 3 | 4 | 5 | 6 | |---|---|---|---|---|---|---| | Normal | 0°- 30'R | 0°- 20'R | 0°- 30'R | 0°- 20'R | 0°- 50'R | 0°- 5'R | | 400 lbs. | 1°- 30'R | 1°- 20'R | 1°- 30'R | 1°- 20'R | 1°- 40'R | 1°-10'R | | 800 lbs. | 2°- 50'R | 2°- 40' | 2°- 50' | 2°- 40' | 3°- 0' | 2°-40' | | 1200 lbs. | 4°- 10' | 4°- 0' | 4°- 10' | 3°- 50' | 4°- 10' | 3°-50' | | 1600 lbs. | 5°- 20' | 5°- 0' | 5°- 0' | 4°- 50' | 5°- 10' | 4°- 30' | | 2000 lbs. | 5°-50' | 5°- 30' | 5°- 30' | 5°- 20' | 5°- 40' | 5°- 0' | | Load Released | 1°- 20' | 1°- 10' | 1°- 40' | 1°- 30' | 1°- 40' | 1°- 10' | Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Ratcliffe. | ||