Examination report and running time analysis for Kelmit bearings on the Phantom model.
| Identifier | ExFiles\Box 11\1\ 01-page17 | |
| Date | 9th August 1933 | |
| FILES. x7770. 9.8.33. KELMIT BEARINGS ON THE PHANTOM. Y5623 The Kelmit bearings were examined after 73 hrs. running with a flat on the crankshaft, and were found to be in a good condition, the centre main bearing in particular was in a very good condition. Analysis of running done on P.II. No.25 Large Bore Unit. Total running time (with present set of bearings excluding central bearing).............. 97 hrs. 30 mins Approx. total time full throttle (3000 RPM & above) 7 hrs. 30 mins Hours run on first centre bearing }Kelmit ..... 10¼ hrs. " " " " second " } ..... 54½ hrs. " " " " third (Hl. metal)........ 13 hrs. " " " " fourth (Kelmit).......... 18¼ hrs. ---------- Hs {Lord Ernest Hives - Chair} /Std. | ||
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).