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Re: Blower Bentley Heresy

To: hardwire@compuserve.com
Subject: Re: Blower Bentley Heresy
From: "Scott Gardner" <gardner@lwcomm.com>
Date: Sat, 1 Nov 1997 03:18:46 +0000
> Fellow Correspondents,
> 
> A lucky find at what was probably one of the last Jumbles of the year in
> England was a pile of old "Automobile" magazines and a few "Motor Sports".
> I chanced upon an article by Bill Boddy on the Turbo charged Bentley of
> Jumbo Goddard. I remember that this monster was in the entrance foyer of
> the Donington racing car museum when it first opened. Where is it now, I
> wonder? I hope Mr Boddy does not mind my reproduction of his article. 
> 
> I leave the reader to come to his own conclusions as to the appropriateness
> of this conversion. Please bear in mind that the perpetrator is Austrailian
> (I believe). My prelidictions are well known.
> 
> A TURBO-EXHAUST-SUPERCHARGED VINTAGE BENTLEY
> 
<<SNIP>>
> graphitised alloy, the small-ends phosphor-bronze, The c.r. was lowered to
> approx. 6.5 to 1 by inserting a 7/16in. plate between cylinder block and 
>crankcase, which
> also serves to stiffen the notoriously flexible crankcase of a vintage 
>Bentley.
> <<SNIP>>
> W.B.
> 
> 
> Yours plagaristically, with all acknowledgements to William Boddy and
> "Motor Sport" magazine,
> 
>                                         JH
All in all, a very interesting description, but can anyone tell me 
how inserting a plate between the block and the crankcase lowers 
compression ratio?  If the author meant "between the block and the 
cylinder head", this would make sense to me, but since he goes on to 
describe the plate's added benefit of stabilizing the crankshaft, I 
suspect this isn't the case.  Can anybody enlighten me?
Scott

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