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).
Dimensional drawing for an ALCO distributor for 4 and 6 cylinder engines.
| Identifier | ExFiles\Box 37\1\ scan 181 | |
| Date | 18th February 1930 guessed | |
| OVERALL DIMENSIONS of the ALCO for 4 and 6 cylinders Total length { with resistance: c¹, without resistance: c } Taper driving end Kind of fixing system { 2 smooth holes, depth V } Parallel driving end 6 CYLINDERS DISTRIBUTER 4 CYLINDERS DISTRIBUTER Without battery With battery Positive terminal ALCO S.E.M Rotation { clockwise, anticlockwise } Taper dimensions Length: 15 m/m Large diameter: 15 m/m Smal diameter: 12 m/m Cone: 1/5 Left hand distributer The alco with right hand distributer is the symetrical of the under here figured with reference to the vertical axis Dimensions in millimiters a: 55, k: 1 a¹: 55, l: 15 b: 76,3, l¹: 15 b¹: 31,5, m: 54 c: 210,5, n: 14,5 c¹: 186, p: 40,5 d: 197,5, q: 24,5 d¹: 173, r: 8 e: 80, s: 32 e¹: 82, t: 42 f: 141, v: 8 g: 38, w: 15 g¹: 50, x: 15 h: 209 LEVALLOIS. - IMP. L. BIART. 2081 | ||