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).
Comparison of B.III and B.50 chassis specifications and project proposals for body modifications.

Identifier  ExFiles\Box 97\1\  scan0100
Date  25th November 1937
  
-2- Da{Bernard Day - Chassis Design}/Ev.{Ivan Evernden - coachwork}29/N.25.11.37 Cont'd.{John DeLooze - Company Secretary}

B.III. B.50.

Engine 4¼. Wraith III.
Wheelbase 10' 4"
Dash to rear axle 89.5000"
Overslung frame.
Overall height 5' 3½"
Headroom 45.5000"
Bodies - Close Coupled Saloon.

No.3. Project - PD.29.

This project consisted of seeing what could be
done to re-introduce B.50 into the programme on the
lines of the Duffield Bank Project.

The first move was to lower the B.III frame, as
shewn on PD.32, to get the headroom for B.50 of 47.000, inches,
and the car height overall remaining 5' 3½".

B.III. B.50.

Engine Wraith III - 4¼ litre. Engine-C.I. 3½ litre(JNR.{Charles L. Jenner}Project)
Wheelbase. 10' 4" Wheelbase 10' 1" & 10' 6".
Dash to rear axle. 89.500" Dash to rear axle 94.500"
Overslung frame. Overslung frame.
Overall height 5' 3½" Overall height 5' 3½"
Headroom. 47.000" Headroom. 47.000"
Bodies. - Close Coupled Saloon. Bodies - Close Coupled Saloon
of B.III.
Sixlight saloon with 5" more
room in rear compartment.

The B.50 frame would be made from the B.III dies
by removing 3 inches from the front end to suit the shorter
engine, for the Close coupled body. The Six-light body would
have a 5 in. section added to the rear of the straight
portion of the frame. All the bodies have common front
and rears to facilitate production by dies.


Continued.....
  
  


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