Rolls-Royce Archives
         « Prev  Box Series  Next »        

Experiment to adapt a reverse gear for the 20/25 HP synchro mesh gearbox.


Identifier  ExFiles\Box 104\4\  scan0072
Date  24th November 1931
  
BY. {R.W. Bailey - Chief Engineer} FROM DA. {Bernard Day - Chassis Design}
X5310. DA {Bernard Day - Chassis Design} 5/M24.11.31. X5310.
C. to SC. HS. {Lord Ernest Hives - Chair}
20/25 SYNCHRO MESH GEARBOX.
We send herewith N. Sch. 3374 shewing the type of reverse gear shewn on N. Sch. 3364, adapted to the present 25 HP. synchro mesh gearbox - that is to say - the existing casting can be used if desired, and, for the purposes of experiment, eccentric bushes.
There are of course slight modifications to several of the wheels and to the striking mechanism, but the bulk of the box is unaltered.
Subsequently should the experiment prove successful the casting would be modified.
R. {Sir Henry Royce} wishes this experiment to be carried out as quickly as possible.
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙