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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).
Scheme for fitting a 9.5' shortened pendulum lever to old type Phantom models.

Identifier  ExFiles\Box 68\1\  scan0018
Date  1st February 1928
  
To B.Y. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

H8430

Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}5/LG23. 2. 28.

SHORTENED PENDULUM LEVER. X8430
F8430

We have now schemes for fitting the 9.5"
pendulum lever on the standard and sports Phantom. We are
very anxious to be able to fit this lever on old type Phantoms
with the old type axle and 1.125 lead steerings to cure com-
plaints and to save the expense incurred by fitting new worms.
We wish, if possible, only to supply new
pendulum levers and side steering tubes, not steering levers.
As there is no question of the side steering
tube fouling the steering levers on the old type axle, we
should like to try a scheme using the existing steering levers
with perhaps a new ball end raised a shade to improve the
geometry. Even if the ball end were not raised at all we
do not think the geometry appears to be too bad, worth testing
experimentally anyhow.
Will it be necessary to shorten the 1.125 nut
to get full lock if we only allow side steering balls .200
movement?

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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