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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).
Schemes for altering the Bensport radiator mounting on Bentley cars.

Identifier  ExFiles\Box 87\1\  scan0029
Date  26th April 1933
  
X240

To BY.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer}

c.c. Mr. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair}

Bensport Radiator Mounting.

It is very evident from the results obtained with No.2. Bentley car that some alteration will be necessary to the radiator suspension.

The amount of radiator movement on the road is altogether too much to be tolerated, and this is with the rubber pads in the bearers replaced by solid metal pads.

We now find that this alteration was made by the Experimental Department early on, on No.1. Bentley before it went to France, with the object of reducing radiator movement while they endeavour to obtain harder rubbers.

The Bentley is, therefore, in the same position as Phantom 2 was before centrepoint mounting was adopted for the radiator on the latter chassis. No.1. Bentley does not appear to suffer from this fault to the same extent as No.2, but as we well know there is a similar variation experienced on the Phantom chassis.

We have two schemes which are applicable to the Bentley, the first being to centrepoint mount the radiator on an extension from the centre forging carrying the front end of the engine, utilizing the present bearers for the side steadying pads.

Scheme No.2. is to carry the radiator from the engine mounting by extensions from the pivoted member connected to the crankcase bearers.

We have doubts whether the second scheme is admissible owing to the floppy nature of the engine mounting we are using on the Bentley. We should expect the radiator to oscillate too much with engine movement.

It is true that the radiator mounted on the engine has been pronounced a success on Phantom 2, but
  
  


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