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).
Blueprint detailing the results of a crankshaft bending test for the Wraith model.
| Identifier | ExFiles\Box 8\5\ 05-page44 | |
| Date | 20th September 1938 | |
| WRAITH CRANKSHAFT BENDING TEST EW 1370 (VCM 7137, Y.869) -> CRANKSHAFT DETAILS DEFLECTIONS(?) AT JOURNALS FOR LOADS OF 200 LBS. PER CRANKPIN ON PAIRS OF CRANKPINS. TABLE I LOAD ON CRANKPINS 1 & 6 TEST NUMBER JOURNAL 2 3 4 5 6 1ST .0043 .007 .0083 .0078 .0053 2ND .0048 .0073 .008 .007 .0048 3RD .0053 .0075 .0083 .0075 .0048 4TH .0048 .0070 .0078 .0075 .0048 AVERAGE .0048 .0072 .0081 .0074 .0049 LOAD ON CRANKPINS 2 & 5 TEST NUMBER JOURNAL 2 3 4 5 6 1ST .0125 .0208 .0243 .0208 .0128 2ND .013 .0218 .0248 .0215 .0138 3RD .0135 .0218 .024 .0218 .0138 4TH .0128 .0213 .024 .0223 .0143 AVERAGE .0129 .0214 .0243 .0216 .0137 LOAD ON CRANKPINS 3 & 4 TEST NUMBER JOURNAL 2 3 4 5 6 1ST .0178 .0318 .0383 .0328 .0198 2ND .0173 .0328 .039 .033 .0195 3RD .0178 .033 .0393 .0335 .0198 4TH .017 .032 .039 .0335 .020 AVERAGE .0175 .0324 .0389 .0332 .0198 TABLE II LOAD ON CENTRE JOURNAL IN DIRECTION OF EQUALISING LOAD LOAD JOURNAL 2 3 4 5 6 200 LBS .0085 .015 .0175 .014 .0075 300 LBS .013 .0215 .0268 .0215 .012 BL.8867 SHEET XL | ||