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).
Data table showing load supported in pounds at various temperatures and positions for 'SIDI'.
| Identifier | ExFiles\Box 39\4\ Scan114 | |
| Date | 7th April 1930 | |
| -2- Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}5/AL.7.4.30.Contd. "SIDI". Total Movement Limited by Stop to .390". | | LOAD SUPPORTED - LB.- | |---|---|---|---|---| | Temp. °C. | Zero Position. | Max. Position .390 above Zero. | .325 Above Zero. | .162 Above Zero. | | 60 | 12 | - | 6 | - | | 65 | 18 | 6 | 12 | 10 | | 70 | 26 | 18 | 20 | 20 | | 75 | 42 | 30 | 34 | 34 | | 80 | 58 | 46 | 48 | 48 | | 85 | 76 | 58 | 60 | 60 | | 90 | 94 | 70 | 80 | 84 | | 95 | 108 | 82 | 102 | 102 | | 100 | 122 | 92 | 106 | 122 | Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||