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).
Inertia machine test graph for Mintex N.M.T. Roll No. Y.1848, plotting coefficient of friction and temperature against the number of stops.
| Identifier | ExFiles\Box 141\3\ scan0182 | |
| Date | 24th October 1932 | |
| BRITISH BELTING & ASBESTOS LTD. SCANDINAVIA MILLS, CLECKHEATON, YORKS., ENGLAND. INERTIA MACHINE TEST. COEFFICIENT OF FRICTION TEMP. DEGREES. F.{Mr Friese} C. NUMBER OF STOPS LEGEND: ------ COEFF. OF FRICTION - - - - TEMPERATURE Material: 2" x 1/4" MINTEX N.M.T. ROLL NO. Y.1848. DRY WOVEN. Brake Rig: STANDARD B.B.A. Drum: C.I. Drum Speed: 1,256 Ft./Min. Time Interval: 45 SECS. Flywheel R.P.M.: 400 Weight Loss: 0.88 Gms. Power Absorption per Stop: 37,600 Ft. Lbs. Wear Factor: H.P. Hrs. per Gramme. Ft. Lbs.: 5,200 Kg. Metrs: Date 24TH. OCT. 32. Test No. M.2350 | ||