The weight measurements for the 7-Goshawk-11 vehicle.
| Identifier | ExFiles\Box 107\4\ scan0031 | |
| Date | 30th April 1923 | |
| Mr. Hives. from TMW. X4538 30.4.23. WEIGHTS OF 7-GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine))-11. Full petrol tank - 1 gall. of oil in engine - all tools and spares as supplied - pump - Jack - 1 spare wheel - full of water :- tons. cwts. qr. Weight at front 13 3 " " rear 19 2 Total weight 1 13 1 [Handwritten figures below the table] Below total weight figures: 1 32 0 (crossed out) Below that: ' 1 ' To the right of the table: TMW. [Handwritten calculations at the bottom] Left side: 2240 1120 336 28 ____ 3724 Middle: 2262 73 70 45 ____ 112) 2450 ( 22 224 --- 210 Right side: 1 " 1 . 3 " 14 , - 14 | ||
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).