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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).
Recommendation to key the thrust washer for the rear axle pinion and to limit clearance in the Goshawk steering column to prevent rattling.

Identifier  ExFiles\Box 49\2\  Scan037
Date  10th October 1921
  
X4150

To EY. from Hs. {Lord Ernest Hives - Chair}
c. to EP. {G. Eric Platford - Chief Quality Engineer}
c. to Wor. {Arthur Wormald - General Works Manager}

Hs {Lord Ernest Hives - Chair} 4/LG5.10.21.

X4150
X4264

We recommend that the thrust washer in the double thrust for the rear axle pinion is keyed to the shaft in a similar manner to what has been proved essential on the 40/50 H.P.

You will remember on the 40/50, we frequently have complaints of the controls rattling in the steering column. The noise mostly comes from the slack in the bearing at the top of the steering column.

GoshawkAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine 11. appears as though it will have the same fault. We recommend that the clearance at that point is held within fine limits.

Hs. {Lord Ernest Hives - Chair}

(upside down text at bottom) R.R. 235a 100 (P) (S.H. 798. 10-12-20) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2948
  
  


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