"DJ Delorie" wrote in message
...

"Harry Curley" writes:
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

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.

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