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).
Indicator card record for Luvax shock absorbers, detailing performance at various temperatures.
| Identifier | ExFiles\Box 152\1\ scan0080 | |
| Date | 4th January 1933 | |
| LUVAX SHOCK ABSORBERS - INDICATOR CARD RECORD (46) LENGTH OF LEVER ARM .... 8" TYPE RMP. (Rolls-Royce) No. I. DATE 4.1.33 | Card No. | Speed revs | Stroke ins. | Reg. Screw turns | Temp. °C | Side | Indicator Spring lbs/sq" | Indicator Piston ø" | Valve Springs Turns Open B | Valve Springs Turns Open F | REMARKS | |---|---|---|---|---|---|---|---|---|---|---| | 401 | 440 | 1 | - | 65 | RH {R. Hollingworth} | 350 | 1/8 | 2 | 1.7/8 | Max. Pressure 680 lbs/sq.in. | | 402 | " | " | - | 60 | " | " | " | " | " | 740 " | | 403 | " | " | - | 55 | " | " | " | " | " | 760 " | | 404 | " | " | - | 50 | " | " | " | " | " | 790 " | | 405 | " | " | - | 45 | " | " | " | " | " | 800 " | | 406 | " | " | - | 40 | " | " | " | " | " | 820 " | | 407 | " | " | - | 35 | " | " | " | " | " | 760 " | | 408 | " | " | - | 30 | " | " | " | " | " | 780 " | | 409 | " | " | - | 25 | " | " | " | " | " | 790 " | | 410 | " | " | - | 20 | " | " | " | " | " | 800 " | | ||