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 with dimensions for a Leyland 3 1/2' Cub petrol engine cylinder head.
| Identifier | ExFiles\Box 148\1\ scan0071 | |
| Date | 13th March 1939 | |
| LEYLAND 3 1/2" CUB PETROL. STROKE 5 1/2" CYLINDER HEAD DETAILS VALVE LIFT = .394". DISHED VALVE HEADS 7:1 6.6 : 1 as drawn 7 : 1 = '100 bumps. 7.6:1 = '225 bumps. 13-3-39. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Drawing Dimensions: 1.1875 1.125 .731" .025/.030 3.450 1.245" 1.245" 1.125R 1.2425" 1.205 3.685" 3.695" 2.480 2.490 | ||