Table of turning circle dimensions for the 40/50 and Goshawk II chassis.
| Identifier | ExFiles\Box 20\5\ Scan020 | |
| Date | 1st December 1923 | |
| TURNING CIRCLES. TABLE DATA: FIRST SECTION: TRACK LINE ROW 1: 40/50 CHASSIS - WHEELBASE 143·500: R.H 47'-10", L.H 44'-10" - WHEELBASE 150·000: R.H 50'-6", L.H 47'-2" ROW 2: GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II - WHEELBASE 129·000: R.H 43'-10", L.H 39'-10" SECOND SECTION: OVER HUB CAPS. ROW 1: 40/50 CHASSIS - WHEELBASE 143·500: R.H 49'-3", L.H 46'-3" - WHEELBASE 150·000: R.H 51'-11", L.H 48'-7" ROW 2: GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II - WHEELBASE 129·000: R.H 45'-0", L.H 41'-0" HANDWRITTEN NOTES: - Top Left: Copy sent to C.J.R. PL. - Top Middle: Y980 - Bottom Left Table: - 40/50 Balloons: RH {R. Hollingworth} 59, LH {Mr Haworth} 55 - G II Balloons: RH {R. Hollingworth} 51.0, LH {Mr Haworth} 48.0 - Hispano: RH {R. Hollingworth} 49, LH {Mr Haworth} 49 - Bottom Right: S.C.6. 24/10/22 H.B. STAMP: - ROLLS-ROYCE LIMITED - CHIEF DRAUGHTMAN'S ROOM. - 1 DEC. 23 - DERBY | ||
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).