Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Front bumper spring test report detailing Brinell hardness and run time.

Identifier  ExFiles\Box 119\2\  scan0128
Date  4th October 1920
  
OCT 4
RECEIVED
9.FC.
X.1331/
BUMPER TEST - FRONT.
X.2628
spring F.4629 - 900 lbs. 10 leaves with nibs anf slots
Tie clips, tapered ends. (standard springs)
Fitted to N.S. bump chassis 30.8.20
No. of leaves. | Brinell. | Remarks. | Time run.
1 | 461 | Broken 6" from front end. | 20 hrs. 50 mins.
2 | 388 | O.K.
3 | 388 | O.K.
4 | 415 | O.K.
5 | 415 | O.K.
6 | 444 | O.K.
7 | 444 | O.K.
8 | 401 | O.K.
9 | 444 | O.K.
10 | 444 | O.K.
Spring Taken off 22.9.20
E.R. 235A 100 T(S).H. 189 1-8-20 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2500
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙