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).
Note correcting an arithmetical error in the calculation of collapsing loads for Spectre push rods.

Identifier  ExFiles\Box 4\1\  01-page188
Date  15th December 1934
  
To- HY.{Tom Haldenby - Plant Engineer}
Copy to E.{Mr Elliott - Chief Engineer} Ha/Rm.{William Robotham - Chief Engineer}
JMG.H/CMR. [Text Struck Through]

U. Smith

Further to our note E/PSN.3/MN.13/12/34 concerning the SpectreCodename for Phantom III push rod loading, we find an arithmetical error has occurred in the calculation of the collapsing load.

The theoretical collapsing loads are as follows:-

Present Dural rod. 390 lbs.
Steel Rod. 1,150 lbs.

E/PSN.
  
  


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