| F = P*A
Since the force (the weight of the doors) is constant, and the larger cylinder
would have a larger area, then the pressure is lower. Of course, with a larger
area, the volume of air is also larger, and therefor you're going to deplete 
your
reservoir tank faster.
Seth
#1544
*********** REPLY SEPARATOR ***********
On 12/2/01, at 1:32 PM, Maycinc@cs.com wrote: 
>The pressure also 
>depends on what size cylinders you have.  The originals are a larger diameter 
>than the replacements and so would take a lower pressure (or is it higher?).
>Marvin
>#1343
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