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).
Biting-in-bolt test performed on a shock absorber lever, including test results.
| Identifier | ExFiles\Box 78\2\ scan0174 | |
| Date | 23th July 1919 | |
| Contd. -3- EH5/LG23.7.19. shock absorbers are fitted another position will have to be found for the mudguard stay. There are signs of the lever having moved slightly with the biting-in-bolt type of fixing. We have taken a test by loading up a lever as suggested by you - below are the results:- BITING-IN-BOLT TEST ON SHOCK ABSORBER LEVER N.569/70. Weight. Deflection. -- 10 lbs. .010" 20 " .020" 30 " .025" 40 " .035" 50 " .040" 56 " .050" 66 " .065" 76 " .070" 86 " .080" 96 " .100" 112 " .110" 122 " .305" - lever slipped definitely. 132 " .325" 142 " .345" 152 " .745" 162 " 1.145" 172 " 1.390" 182 " 1.560" 192 " 7.300" 202 " 8.200" 302 " We would also like to point out that depth of bolt groove in rotor N.566 is only .062" deep. We are sending to Mr.Royce one of these shock absorbers gpt him to inspect. EH. | ||