Rolls-Royce Archives
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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).
Log sheet recording observations and run times for a chassis jumper test.

Identifier  ExFiles\Box 119\2\  scan0101
Date  2nd June 1920
  
E.F.C
X.1031 (crossed out)
JUMPER TEST.
X.3981 / 2628
2.6.20

2" cam. 105 R.P.M. Special rear springs - no nibs
and slots - ground all over.
O.S. F.7790 - Loaded lbs. 2160
N.S. F.7789 - " " 2069.

Total hours run on chassis. | Remarks. | Hours run
--- | --- | ---
13.5.20 | ------ |
14.5.20 | ------ |
15.5.20 | Shock Absorber fitted N.S. (Drg.) F.419 Bolt on centre spring (Brkt. F.2406 (O.S.)) | 10 hrs. 5 mins.
17.5.20 | Spring tie clip O.S. - rivet broken (front) | 13 " "
18.5.20 | " " N.S. " " (rear) | 22 " 15 "
19.5.20 | F.419 Bolts on centre spring (bracket F.2406) O.S. | 12 " 40 "
28.5.20 | Nut holding shock absorber case to tank loose. O.S. spring top leaf broken. 3rd. 4th. & 5th. leave cracked half way across under spring clip (front). Wearing plate cracked. N.S. spring 3rd. & 4th. leaves broken under clip top and 5th. leaves cracked. | 35 " 30 "
| | 35 " 40 "

30 hrs. 40 mins. total hrs. run.

STAMP:
EFC
MAY 31
RECEIVED.
  
  


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