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 showing coefficient of friction and temperature versus the number of stops for Mintex N.M.T. dry woven material.
| Identifier | ExFiles\Box 141\3\ scan0183 | |
| Date | 10th November 1932 | |
| BRITISH BELTING & ASBESTOS LTD. SCANDINAVIA MILLS, CLECKHEATON, YORKS, ENGLAND. INERTIA MACHINE TEST. TEMP. DEGREES. F.{Mr Friese} C. COEFFICIENT OF FRICTION NUMBER OF STOPS LEGEND: SOLID LINE: COEFF. OF FRICTION DASHED LINE: 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: 1256 Ft./Min. Power Absorption per Stop: 37.600 Ft. Lbs. Weight Loss: 2.64 Gms. Wear Factor: H.P. Hrs. per Gramme: Time Interval: 45 SECS. Flywheel R.P.M.: 400 Ft. Lbs.: 5200 Kg. Metres: Date: 10TH NOV. 32. Test No.: M.246 | ||