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).
Heat distribution test data tables expressed as a percentage of heat supplied at various RPMs.
| Identifier | ExFiles\Box 72\4\ scan0328 | |
| Date | 14th November 1923 guessed | |
| PAGE 2. HEAT DISTRIBUTION CONTD:- E.A. C-1. Expressed as % of Heat Supplied. | R.P.M. | Heat supplied. | Th.Eqvt. Wk.done. | Loss to friction. | Loss to Jackets. | Exh. Radiation & pumping (diffce. | |---|---|---|---|---|---| | 600 | 100 | 24.7 | 2.655 | 25.5 | 47.2 | | 750 | 100 | 24.3 | 3.26 | 21.5 | 50.6 | | 1000 | 100 | 23.9 | 3.41 | 17.38 | 55.4 | | 1250 | 100 | 25.77 | 4.28 | 20.0 | 50.6 | | 1500 | 100 | 24.9 | 4.59 | 17.75 | 42.9 | | 1750 | 100 | 24.4 | 4.86 | 17.64 | 53.2 | | 2000 | 100 | 23.95 | 5.57 | 17.12 | 53.5 | STD. 40/50 R-R CONTD :- Ht. Distribution Expressed as % of Ht. Supplied. | R.P.M. | Heat supplied. | Th.Eqvt. Wk.done. | Loss to friction. | Loss to Jackets. | Exh. Radiation & pumping (diffce. | |---|---|---|---|---|---| | 500 | 100 | 18.2 | 3.14 | 30.82 | 47.84 | | 750 | 100 | 18.26 | 2.98 | 28.77 | 49.99 | | 1000 | 100 | 20.15 | 3.54 | 31.02 | 45.30 | | 1250 | 100 | 20.0 | 4.00 | 26.3 | 49.7 | | 1500 | 100 | 20.15 | 4.56 | 24.4 | 50.8 | | 1750 | 100 | 20.13 | 5.37 | 24.0 | 50.49 | | 2000 | 100 | 18.8 | 6.30 | 22.8 | 52.1 | | ||