dryer ducts
(06-26-2022, 12:34 PM)JosephP Wrote: I have a couple of battery blowers.  They cannot compete with a backpack blower.

I don't know there is any battery anything that can produce 185 CFM at 100psi.  It is a 6 cyl diesel.  We don't use it a lot, but when needed, there aren't good alternatives.  I use it for tree work - a tool called an Airknife (similar tool called Air Spade).  When trees are planted too deep we can excavate the root collar, or decompact soil, etc...

My Dewalt 20 volt says 450 cfm at 145 mph
The Stihl backpack blower does 677 CFM at 238 mph.

They don't even publish psi for blowers.  I'd guess less than  10-15?

The big 185CFM compressor is 100-125 psi.  For comparison, a 220V 60 gallon shop compressor does +/-11-14 CFM at 90 psi.

Both of those will move a lot more lint than a battery blower.

Edit:  I guess the point is, it takes a lot of air to get the lint out of our longer run.  Shorter runs, YMMV.  I had hoped the shopvac would do it, but it didn't.

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