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).
Test procedure for determining friction and plotting quantities, including horsepower calculation formulas.
| Identifier | ExFiles\Box 61b\3\ scan0187 | |
| Date | 5th May 1927 guessed | |
| -2- Contd. brush, bearing, and reduction gear friction, in the usual manner. Record the results on that portion of Form 4 which concerns this test, and so determine Φg.{Mr Griffiths - Chief Accountant / Mr Gnapp} Complete form 5. Plot the quantities e_e Ø_e Ø_s T_s T_r on the form provided (ampere base). Note:- E.H.P. = .001340 x Volts x Amperes. B.H.P. = .00001587 x R.P.M. x POUND-INCHES. ----- EFC. | ||