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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).
Specification of work carried out by the Experimental Department on Engine Unit No.KB.25 and its associated gearbox.

Identifier  ExFiles\Box 18\4\  Scan057
Date  21th June 1933
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
c. Hs{Lord Ernest Hives - Chair}/Aid. [crossed out]
c. Hs{Lord Ernest Hives - Chair}/PD. [crossed out]
RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}4/AP.21.6.33.

Engine Unit No.KB.25-Chassis 104.MY.

We give herewith specification of Work carried out on the above Unit by Experimental Dept.

Passed to Test. 19.6.33.

Gear Box LOP.G.79951-N.S.3631-C.L.628.

Complete to the above LOP. & Scheme incorporating Helical Second Speed.
G.80290 Selector Jaw & Fork-1st & 2nd.speed.
G.80291 Selector Shaft.
G.80293 Gear Box.

The following parts fitted to RR.Sch.237 Governor Control For Dampers incorporating Mod. to Gear Lever Shaft.
G.80255 Cover Selector Lever.
G.100927 Retaining Plate.

1st. & 3rd. Motion Shaft LOP.G.79953-N.S.3631-G.L.628.

Complete to the above LOP. & Scheme. incorporating Helical Second Speed.
G.80295 2nd.speed Driven Gear.
G.80296 1st.speed Driven Gear.

2nd. Motion Shaft LOP.G.79955-N.S.3631-G.L.628.

Complete to the above LOP. & Scheme. incorporating Helical Second Speed.
G.80310 1st.speed Driver Gear.
G.80311 Constant Mesh Wheel-Rear.
G.80312 2nd.Motion Shaft.
G.80313 2nd.speed Driver Gear.

Reverse Shaft LOP.G.79956-N.S.3631-G.L.628.

Complete to the above LOP. & Scheme. incorporating Helical Second Speed.
G.80314 Reverse Gears & Shaft.

RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
  
  


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