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).
Diagram of a research crankshaft bending indicator.
| Identifier | ExFiles\Box 127\4\ scan0030 | |
| Date | 13th February 1936 | |
| G.W. Research Crankshaft Bending Indicator. Sheet No. 1 No. Sheets 4 W.O. No. 6205-35. Date 2-13-36. File Number 6. Reported 4-14-36. Braces anchored to engine. Ball and Socket Joint. Lamp. Screen 10" to center line of front crankshaft bearing. a = collet b = socket c = one of four screws used to centralize socket b. d = a small shaft having a running fit in socket b on one end, a ball and socket joint e in the center, and a concave mirror f attached to the other end. This shaft is keyed to prevent rotation. | ||