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).
Comparative table of crankshaft details for Lorraine, EAC, Stutz, and 2nd India engines.
| Identifier | ExFiles\Box 6\1\ 01-page106 | |
| Date | 14th December 1927 guessed | |
| CRANKSHAFT DETAILS. | | Lorraine | EAC.10 & 14. LEC.2488 | Stutz. S. | 2nd. India 111. LEC.249 | |---|---|---|---|---| | Engine Part No. | | | | | | No. of brgs. | 4 | 7 | 9 | 7 | | Outer dia. | 1.890 | 2.6245 | 2.500 | 2.125 | | Inner dia. | .800 | 1.500 | | 1.125 | | Length of | | | | | | No.1 | 1.960 | 2.100 | 1.850 | | | No.2 | 2.055 | 1.650 | * | | | No.3 | | 1.650 | * | | | No.4 | 2.055 | 1.650 | * | | | No.5 | | 2.650 | * | | | No.6 | | 1.650 | * | | | No.7 | 3.350 | 3.000 | No.9 2.750 | | | Crankpins. | | | | | | Outer dia. | 1.771 | 2.125 | 2.375 | 1.750 | | Inner dia. | | 1.125 | | .875 | | Length. | 1.650 | 1.850 | 1.400 | 1.500 | | Crank radius. | 2.559 | 2.750 | 2.250 | 2.250 | | Nose. | | | | | | Outer dia. | 1.615 | 1.700 | | | | Inner dia. | | 1.000 | | | | Length. | .690 | 2.75 | | | Length of pins and journals include fillets but not .010 facings. | ||