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 detailing the steering lock angles for the Goshawk II.
| Identifier | ExFiles\Box 49\4\ Scan143 | |
| Date | 9th September 1932 | |
| X4263 Mr Hives. 2 more copies are being for E.P. SEC 7040 STEERING LOCKS GOSHAWK II RH{R. Hollingworth} Lock 36 1/2° FRAME LINE 1.750 Obtain turning circle of GII .750 L.H. LOCK 41° MEASURED FROM EDGE OF 32.000x4.500 DUNLOP STRAIGHT SIDED TYRE H.A.B. 9/9/32 | ||