Blueprint for a suggested induction pipe for a 20-25 HP engine, created by The Zenith Carburetter Co Ltd.
| Identifier | ExFiles\Box 122\1\ scan0128 | |
| Date | 22th May 1931 | |
| MINIMUM CLEARANCE REQD FOR REMOVING FILTER. MINIMUM CLEARANCE REQD FOR REMOVING CARB BOWL. FLANGE AT 40° TO CENTRE CL OF ENGINE ORIGINAL CL OF PIPE 3/8 WHIT STUDS. BAFFLE PLATE EX. INLET EX. OUTLET .0625 DIA DRAIN HOLE DRILLED & TAPPED 5/16 B.S.F. TWO HOLES 10.5 DIA SUGGESTED INDUCTION PIPE 20-25 HP ROLLS-ROYCE (FROM ROLLS ROYCE DRG SCH 1239) SCALE: 1/4 DRAWN BY: HJV TRACED BY: FILED: 22.5.31. THE ZENITH CARBURETTER CO LD 40-44 NEWMAN STREET LONDON. W. 1. TYPE: ONE 42.V.I. MATERIAL: NO X-803. | ||
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).