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).
Comparison table of trial results for various components.
| Identifier | ExFiles\Box 149a\2\ scan0384 | |
| Date | 7th April 1936 | |
| FW 1280 7th April, 1936. | Trial No. | 608 | 609 | 610 | 611 | 616 Harrison | |---|---|---|---|---|---| | Name | Harrison Vl{V. Lewis / Mr Valentine} | Marston Vl{V. Lewis / Mr Valentine} | Gallay 3-row | Marston Mark V.{VIENNA} | Bentley Mark V | | Weight empty Lbs. | 59.6 lbs. | 60.6 | 61.6 | 56.6 | 49.5 | | H.P. at 100° T.D. at 3000 FT. per min. & 20. G.P.M. | 69 | 65 | 66 | 51.5 | 49.5 | | Air pressure inches W.G. | .365 | .365 | .4 | .225 | .21" | | Water pressure Lbs. per sq. inch at 20 G.P.M. | 3.1 | 3.1 | 4.5 | 3.85 | 6.85 | | Thickness of Block | 52m/m | 52m/m | 50m/m | 58m/m | 56m/m | | ||