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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).
Recommendations for resolving over-heating issues on a Phantom II, including fan belt adjustment and undershield removal.

Identifier  ExFiles\Box 14\7\  Scan027
Date  27th June 1930
  
Repair Dept. From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
X7220.
Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}2/WJ.27.6.30.
X4117
X7220.
X7260.

With further reference to the over-heating trouble reported on 117-WJ.

We make the following recommendations in this case -

(1) The Phantom ll fan belt is normally spring loaded. An appreciable increase in cooling efficiency can sometimes be obtained by screwing the spring adjustment down choc-a-bloc, and so obtaining positive tensioning of the fan belt. This is a feature which is certainly worth trying.

(2) We further consider that it is justifiable in a complaint such as this, to remove the front undershield during the summer months when a car is operated under particularly strenuous conditions. This will be found to reduce over-heating troubles to a considerable extent.

Attached is a sketch of the front undershield which might be useful to the agents to shew them exactly what we suggest they remove.

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


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