Yep, That's how it works, The vacuuum is taken from the top of the cabinet
and then through the 'bong'. The amount of vacuum can be adjusted by a fitting
on the top of the pail. Smaller particles of the broken down blasting medium
can/will be taken with the airborne dross leaving the only good medium for
re-use.
Happy blasting
Bruce.
> The 'bong' goes between the cabinet and the vacuum, basically the air drawn
> from the cabinet is forced to bubble through the water, which traps much of
> the dust, keeping the filter in the vacuum from clogging as quickly. It's
> not trying to recover sand, hopefully as much of that as possible is kept
> inside the cabinet.
>
> I intend to copy Nelson's design (I think I even use the same brand of cat
> litter <g>), but I'll add some small holes to the sides of the 'dip tube' in
> the 'bong', to make smaller air bubbles.
>
> Randall
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