In theory, it should only affect the time it takes to draw down the
vacuum as it has more volume. If, however, the hose is porous or has
a leak, it would affect the vacuum.
OTOH, my wife says a longer hose would be better.
I haven't noticed much of a difference between a shorter shopvac hose
(about 4') and the much longer Fein hose (about 16'.) I like the longer
hose, as vacuums are generally useless at following you around.
That's worth the gas to get there. They started at 50 cents a pound
and went to 40 here.
Using a vac, something like a dust collector chip separator in between
would be helpful to keep the leaves and pecans separate. A leaf
sweeper works if the pecans are not buried in the grass too far -
then you shake the basket to get the pecans on the bottom.
A dedicated wife and 5 galllon buckets is what I use.
On the original question:
Theoretically, the ribs on the hose create friction and there's loss.
I got some plastic ribbed extension hose from the plumbing section
of Big Orange thinking it would go on the vac and DC. The flowing air
sounds like a train whistle. Not a good idea.
You won't get there from here.
A Shop-Vac just doesn't have the horses.
What you have to factor in is the line drop of the 25' hose as
well as the "plugging" caused by the pecans as the hose gets longer.
May work with a 6'-10' hose depending on diameter of hose.
You need a gasoline powered vacuum sweeper like a landscaper uses.
Theoretically the only loss on the longer hose will be the loss due to
friction between the air and the hose. Practically there will be loss
due to leaks, and such.
However the ability to move pecans through the hose will be dependent on
the the volume of air that the vacuum is able to move. Between the
volume of air and the weight of each pecan, I don't believe you idea
But if it did it would sure beat stooping over to pick them up.
My whole shop has 2" pvc for vacuming up the sawdust. It is not a dust
I have 4 lines off the trunk. And only one of them suffers really bad,
the longest of the bunch. It is traveling a little more than 50 feet.
It's diminished, but still useful.
I also have 25 feet of 2 1/2 inch hose that I got from Woodcraft, and
you don't notice any loss with that hose.
That is a flex hose. Certainly not the same type of flex hose that comes
with the units. This is smoother.
You're experience is correct, IME. :)
I can tell you from taking bids on "whole house vacuum systems" that,
for all _practical_ purposes, the overall _length_ of the system vacuum
hose/pipe is pretty well discounted as a huge factor in efficiency.
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