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I found the answer to my core question

My core question and the reason I believe that nozzle machines are inherently superior;

"Does the part of the record surface that's below the vacuum slot go from being fully wet to fully dry the moment the vacuum is turned on so that there is no chance of evaporation and re-depositing of dirt?"

Here's the answer I found in the directions of use for both the HW 17 and the HW 16.5

"13. After the record has completed two revolutions, move the VACUUM switch down to the off position. When the Vacuum Pickup Tube lifts off the record rotate it until it points toward the back of the unit.
Two revolutions are usually sufficient to remove all of the cleaning fluid and leave the record completely dry. If some fluid remains on the record, turn on the VACUUM switch for two more revolutions."

It is my contention that, at least part of, the cleaning fluid that is left on the partially dried record surface that leaves the vacuum slot area will evaporate while waiting to come back around to the vacuum slot for a second attempt at drying.

It is my contention that any evaporation of the cleaning fluid will leave some of the dirt, that was suspended in that cleaning fluid, on the surface of the record.

It is my contention that this process will repeat itself for any subsequent revolutions necessary to completely dry the record.

With the Keith Monks that I used years ago at a local Hi-Fi shop and the nozzle type machine that I built, the record surface is completely dry as it leaves the nozzle area and therefore there is no evaporation or re-depositing of dirt possible.

Now, how much difference does any of this really make in the real world?

I have no idea!

I just wanted everyone to understand the reason behind my thinking.

Thanks.

Tre'

Have Fun and Enjoy the Music
"Still Working the Problem"

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  • I found the answer to my core question - Tre' 10:55:09 04/17/14 (0)
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