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 results for Spectre frame distortion under load without dashboard and diamond bracing.
| Identifier | ExFiles\Box 94\4\ scan0056 | |
| Date | 3rd June 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} 4327 Hs{Lord Ernest Hives - Chair}/KS.9/KW.3.6.35. Latest SpectreCodename for Phantom III Frame Distortion without Dashboard and Diamond Bracing. 1st Point Front Cross Pan 2nd " Front of cross bracket } 40" 3rd " Front body bracket } 24" } 40" 4th " 3rd body bracket } 36" 5th " 4th body bracket } 26" 6th " 5th body bracket } 17.5" 7th " Rear cross member Front centres at 33.5" and rear centres at 46.0". | lbs. Torque | Distortion in Degrees. | |---|---|---|---|---|---|---|---| | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | | 400 | 2-40'R | 2-0'R | 1-30'R | 1-10'R | 0-50'R | 0-40'R | 0-40'R | | 600 | 3-30 | 2-40 | 2-0 | 1-50 | 1-30 | 1-0 | 0-40 | | 800 | 4-10 | 3-0 | 2-30 | 2-10 | 1-50 | 1-10 | 0-40 | | 1000 | 5-0 | 3-40 | 2-50 | 2-30 | 2-0 | 1-20 | 0-50 | | 1200 | 5-50 | 4-10 | 3-30 | 2-50 | 2-10 | 1-20 | 0-50 | | 1400 | 6-30 | 4-50 | 4-0 | 3-10 | 2-30 | 1-40 | 1-0 | Chassis frame suspended at centre of front cross pan. N.S.R. shackle anchored and O.S.R. resting on trestle. Hs{Lord Ernest Hives - Chair}/K.{Mr Kilner} Scholes. | ||