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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).
Elusive knocking sound from the Phantom's rear spare wheel carrier and proposing a solution.

Identifier  ExFiles\Box 67\1\  scan0214
Date  9th March 1928
  
+8380
To D.A. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
c. to DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork}
c. to EY.

PHANTOM - SPARE WHEEL CARRIER. +8600

We have revived
an old trouble with the spare
wheel carrier on the rear of
the Phantom.

This is a some-
what elusive knock due to the
flexing of the rear end of the cantilever frame when :-

(1) Luggage is being carried.
(2) Hartfords have been over tightened or become
almost solid with neglect.
(3) Recently the spare wheel carrier at the rear.

On subframe cars we do not get the trouble if
the body clearance is correct. So far the carrier has largely
been run on chassis with 'subframe' bodies - 7-EX and 8-EX.
We suggest a rubber pad to be fixed at the point where this
knock takes place to remove the objection. Apart from the
audible noise, there does not seem to be any sensible effect
on the passengers.

As the rear wheel carrier has now been standard-
ised we should like this point to receive immediate attention.

Report attached.

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

[Text on diagram]
SEEMS TO FLEX FROM HERE.
  
  


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