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).
Modifications to the Wraith III rear axle, reverting to a previous design standard.

Identifier  ExFiles\Box 7\3\  X 602 Axle Rear-page34
Date  3rd March 1937
  
SECRET
Smith 602

HY.{Tom Haldenby - Plant Engineer}
Cr.{Mr Cra???ster / Mr Chichester} E.{Mr Elliott - Chief Engineer} B. Dg. Rm.{William Robotham - Chief Engineer} MFS.
E/HDY.{William Hardy}2/HP.3.3.37.

Wraith III - Rear Axle.

We send herewith N.Sch's 5059 and 5068 showing the modifications required to suit axle shafts solid with the differential bevel gears. The axle shafts at present in use on the Wraith II have the hub driving piece solid with the shaft as this was thought to be an improvement in connection with knocks in the hubs. However, it is now desired to revert to our standard practice in this respect.

N.Sch.5059 is similar to N.Sch.5014 already issued excepting for a few features which have been modified to reduce cost.

The shaft diameter is 1.312 as for Wraith II.

N.Sch.5068 shows the differential which is exactly as for the 25/30.

E/HDY.{William Hardy}

N.Sch.5059)
N.Sch.5068) herewith.
  
  


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