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).
Crankshaft bending test results for the Wraith model, showing deflections under varying loads and directions.
| Identifier | ExFiles\Box 8\5\ 05-page45 | |
| Date | 20th September 1938 | |
| WRAITH CRANKSHAFT BENDING TEST EW 1370 (VCM.7137, Y.869) - CRANKSHAFT DETAILS DEFLECTIONS() For VARYING LOADS & DIRECTIONS Of LOADING At CENTRE JOURNAL Table 1: LOAD APPLIED At 240° To 1&6 DIRECTION (ANTI-CLOCKWISE ON DIAGRAM 5) Headers: LOAD, JOURNAL 2, JOURNAL 3, JOURNAL 4, JOURNAL 5, JOURNAL 6 Row 1: 150 LBS, .0063, .0125, .0148, .0128, .0073 Row 2: 200 LBS, .0088, .0175, .021, .018, .009 Row 3: 250 LBS, .0113, .021, .0268, .0215, .0118 Row 4: 300 LBS, .0133, .026, .032, .0263, .0145 Table 2: LOAD APPLIED At 120° To 1&6 DIRECTION Headers: LOAD, JOURNAL 2, JOURNAL 3, JOURNAL 4, JOURNAL 5, JOURNAL 6 Row 1: 150 LBS, .0068, .0105, .0125, .0118, .0063 Row 2: 200 LBS, .0083, .0133, .0163, .013, .0088 Row 3: 250 LBS, .0103, .0175, .0195, .0175, .0103 Row 4: 300 LBS, .0125, .021, .0243, .0215, .0128 Table 3: LOAD APPLIED At 40° To 1&6 DIRECTION Headers: LOAD, JOURNAL 2, JOURNAL 3, JOURNAL 4, JOURNAL 5, JOURNAL 6 Row 1: 150 LBS, .0058, .0105, .0138, .0108, .0063 Row 2: 200 LBS, .0082, .0145, .0175, .015, .0085 Row 3: 250 LBS, .010, .0178, .023, .019, .0103 Row 4: 300 LBS, .0125, .0228, .0285, .0233, .013 Table 4: LOAD APPLIED ALONG 1&6 DIRECTION Headers: LOAD, JOURNAL 2, JOURNAL 3, JOURNAL 4, JOURNAL 5, JOURNAL 6 Row 1: 150 LBS, .006, .0095, .012, .0098, .0058 Row 2: 200 LBS, .008, .0145, .0165, .015, .0083 Row 3: 250 LBS, .0098, .0178, .0203, .017, .010 Row 4: 300 LBS, .013, .021, .0245, .0215, .0128 Other text: TABLE III (Note: This label appears on the drawing but its corresponding table data is inconsistent across the full image and cropped views, the tables above are from the main coherent section of the blueprint). | ||