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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).
Modification instructions for the Phantom 11 carburetter air inlet and silencer.

Identifier  ExFiles\Box 13\3\  03-page177
Date  4th January 1930
  
c. He/ACL.

X7080 BY/CS1/IG.4.1.30.

RE PHANTOM 11.

Modification to Carburetter Air Inlet & Silencer - Sec:5080.

Please receive herewith prints of the following drawings, detailed in accordance with Memo:Hs{Lord Ernest Hives - Chair}/ACL1/MJ.7.12.29:-

E.80222 Spray Chamber which replaces E.78208.
E.80223 Suction Chamber " " E.73036.
E.80224 Connecting Rod (Suction Piston) " " E.76049.
E.80225 Nozzle " " E.76048.
E.80226 Arrgt: of Air Valve " " E.76515.
E.80227 Air Intake Tube (Centre)
E.80228 " " (Outer)
E.80229 " " (Inter)
E.80230 " " "
E.80255 Choke Tube (H.S.) which replaces E.75203.

Will you please instruct up as required for the experiment, together with the following standard or existing parts:-

E.70913 Stud (Air Intake Cap) 2 off which replaces E.78366.
E.78964 Lever (L.S. Jet) 1 " " " E.79541.
E.79577 Air Intake Base 1 " " " E.78316.
E.79578 " Cap 1 " " " E.71454.
E.79598 H.S. Valve Lever 1 " " " E.75207.
E.79599 Slotted Plug 1 " " " E.75490.
E.79600 Connecting Link 1 " " "
E.79603 Stud (Air Intake) 1 off.
E.79604 Stud (Air Intake Base) 1 " " " E.75215.
E.79646 Air Intake End Plate 2 off.
E.79647 " " Flange 2 "
E.79648 " " Washer 2 "
E.79676 Breather Pipe 1 " which replaces E.78377.
K.4310 Nut (Air Intake) 3 " " " K.4008 1 off.
K.4006 Nut (Air Intake Cap) 2 off.
K.9006 Washer(Air Intake Cap) 2 " instead of 3 off.
K.9008 Washer (Air Intake) 1 off extra.

Remainder of parts to complete are as standard K-2 series to LOP.E.78397, although the following are NOT required:-
K.1910 Screw (Air Intake) 3 off.

The above instructions are intended to represent the carburetter which has already been fitted to R's car 18-EX, and is a modification to the design of LeC.2734 which we issued in memo: BY/CS6/IG.13.9.29.

Cont'd.{John DeLooze - Company Secretary}
  
  


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