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).
Telegram confirming a successful test on a Goshawk engine's crankcase with broad horizontal flanges.
| Identifier | ExFiles\Box 74\3\ scan0265 | |
| Date | 23th May 1932 | |
| Roycar Derby. Hives Goshawk tested with broad horizontal flanges Bolted between top and bottom half show no sign of trouble due to crank case. Elliott. | ||