IIRC this coming up before in rec.ww, and the concensus was that unless the units are PERFECTLY matched, one of them ends up sucking sawdust out of the other one.
Nobody recommended connecting them.
Is there any advantage to some how putting the two unit together in one line. by a yoke attachment. Would this increase the drawing power or is it a waste of time. I now have two units. I could use then on two different lines but I was wondering if there is any advantage to joining both unit into one line
Unless you also double the capacity of the tubes, you will in any case lose most of the extra sucking power to friction caused by the increased speed of the air transport if you connect them. This friction increases quadratically compared to the speed increase.
Bjarte
The only advantage would be if one gets clogged, the other can keep you going until you have a chance to clean the bags. Would not be much increase in flow without upgrading the tube sizes. Brad HardingPens.com
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