In a message dated 27-Jul-99 16:13:02 Eastern Daylight Time,
jaltman@altlaw.com writes:
> Changing the weight of the oil in the dashpots will not change the overall
> tuning of the engine (rich - lean).
>
> The piston damper serves the function of the accelerator pump in a
> conventional carb. The carbs are constant depression, meaning the vacuum
> created across the bridge at the jet is constant. Therefore the vacuum
> sucking gas through the jet is constant. The vacuum is maintained constant
> by the piston rising or falling, enlarging or constricting the opening in
> accord with the volume of air to maintain constant vacuum.
>
<< snip >>
Jim is right. Cheers.
Art Kelly
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