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).
Instructions and test results for an engine induction pipe distribution test.
| Identifier | ExFiles\Box 75\2\ scan0295 | |
| Date | 16th January 1923 | |
| RR 26 (10H BKS) (SH 698 5-11-20) MP 231103 X2758 ROLLS-ROYCE LTD. INSTRUCTIONS. To Mr Hives 16/1 1923 Order No. Customer's No. Engine Test Bed Distribution on Craft Induction Pipe carb. on Ex side Diagram Annotations: 1 3/4", -> 2" pipe Table: No heat to carb- Water Temp 80°C Revs per min | 1 | 2 | 3 | 4 | 5 | 6 | HP | Box % 500 | VS{J. Vickers} | S | VW | W | S | S | 93 | 19.5 | 25 750 | S | SW | W | VW | S | S | 107 | 33.4 | 34 1000 | SS{S. Smith} | SW | W | VW | SS{S. Smith} | S | 108 | 45 | 37 1250 | OK | SW | SS{S. Smith} | W | OK | OK | 112 | 58 | 46.5 1500 | OK | SW | W | W | VSS | VSS | 110 | 68.5 | 52 1750 | OK | SW | VW | SW | VSS | VSW | 102.5 | 74.5 | 58.5 2000 | VSS | SW | W | OK | VSS | SW | 98 | 81 | - very poor distribution Signed [Signature] This Sheet must be filed on completion of the work | ||