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).
Series of performance graphs for a standard damper at various stroke lengths and pressures.
| Identifier | ExFiles\Box 55\4\ Scan238 | |
| Date | 13th July 1928 guessed | |
| 13" LEVER STANDARD DAMPER .024 VENT 20°C OIL TEMP 60/80 LOAD 200 CYCLES / MIN. SLOW RUNNING 40 CYCLES / MIN APPROX. 200 LBS / D" H.P 3.7" STROKE A 200 LBS / D" L.P. 3.7" STROKE A SLOW RUNNING 330 LBS / D" H.P 11" STROKE A SLOW RUNNING 330 LBS / D" L.P. 11" STROKE A SLOW RUNNING 200 LBS / D" H.P 7" STROKE A SLOW RUNNING 200 LBS / D" L.P. 7" STROKE A SLOW RUNNING Filing Space | ||