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).
Serration shearing test report for a Bentley roll rod lever.
| Identifier | ExFiles\Box 151\2\ scan0302 | |
| Date | 21th August 1939 | |
| BENTLEY ROLL ROD LEVER TESTS SERRATION SHEARING TEST RAD OF MEASURING ARMS 6.000 CENTRES OF LEVER 7.750 LOAD LBS | TORQUE LB-FT | - DEFLECTIONS - DEGS - | A | B | A-B 0 | 0 | 0 | 0 | 0 20 | 12.9 | 0 | 0 | 0 40 | 25.8 | 0° 2' | 0 | 0° 2' 60 | 38.7 | 0° 3' | 0 | 0° 3' 80 | 51.6 | 0° 4' | 0° 2' | 0° 2' 100 | 64.5 | 0° 5' | 0° 3' | 0° 2' 120 | 77.4 | 0° 7' | 0° 5' | 0° 2' 140 | 90.3 | 0° 7' | 0° 5' | 0° 2' 160 | 103.2 | 0° 9' | 0° 6' | 0° 3' 180 | 116.1 | 0° 10' | 0° 7' | 0° 3' 200 | 129.0 | 0° 11' | 0° 9' | 0° 3' 220 | 141.9 | 0° 13' | 0° 10' | 0° 3' 240 | 154.8 | 0° 14' | 0° 11' | 0° 3' 260 | 167.7 | 0° 17' | 0° 12' | 0° 4' 280 | 180.6 | 0° 20' | 0° 15' | 0° 5' 300 | 193.5 | 0° 25' | 0° 16' | 0° 9' 320 | 206.4 | 0° 32' | 0° 29' | 0° 4' 340 | 219.3 | 0° 48' | 0° 39' | 0° 9' 360 | 232.2 | 0° 48' | 0° 40' | 0° 9' 380 | 245.1 | 0° 50' | 0° 41' | 0° 9' 400 | 258.0 | 1° 39' | 0° 45' | 0° 55' 420 | 270.9 | 2° 6' | 0° 58' | 1° 9' 440 | 283.8 | 2° 35' | 1° 25' | 1° 10' 460 | 296.7 | 3° 3' | 2° 50' | 0° 14' 480 | 309.6 | 3° 35' | 3° 9' | 0° 28' 500 | 322.5 | 4° 43' | 3° 17' | 0° 28' 520 | 335.4 | 5° 30' | 5° 3' | 0° 28' 540 | 348.3 | 6° 22' | 5° 53' | 0° 30' ACTUAL SHEARING TORQUE 465 LB FT JTB | ||