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).
Vibration damper for a 28 HP, 2 inch pin crankshaft.
| Identifier | ExFiles\Box 137\4\ scan0375 | |
| Date | 17th August 1931 | |
| N = P * 0.516 W^2 = .053 N.M/M^2 μ = 7380 lbs ft/RDM LATEST (illegible) TAPER REMOVE INNER EDGES 1 OFF S/CV 3 STARTS .500 LEAD L.H. SPIRAL 29° LOCKING NUT TO BE TIGHTENED WHEN OIL RETAINER IS SECURED BY TIMING CASE 4 HOLES EQUALLY SPACED .265 DIA DIA - 2.880 DIA CTS{C. Trot Salt - Carburation} S/N OIL RETAINER FITTED INSTEAD OF FAN PULLEY ON MK.V & CRANKSHAFT REQUIRE ALTERING OF STARTING DOGS (FITTED) 6 SLOTS EQUALLY SPACED S/N VIEW OF SPLINES DURALUMIN TO TAPER BOTH TO ALUM DISC MATERIAL BRONZE Hs{Lord Ernest Hives - Chair} 433 SECTION AA{D. Abbot-Anderson} IN DIRECTION Y INSERTS .010 TO ALUM .001 +/- 4 HOLES EQUALLY SCALED 1/16D TO TPLCH INSIDE DURAL THREADS VIEW OF DRIVING AND DRIVEN MEMBER IN DIRECTION OF ARROW Y VIBRATION DAMPER 28 HP 2" PIN CRANKSHAFT ROLLS-ROYCE (1920) Ltd PRINT 17 AUG 31 DERBY | ||