Tools for root crown excavation

Tyvek suit is a MUST!

I also like to set up plywood with sign/snow fencing stakes to keep the blow out to a minnimum, and preserve the soil before amendment. Clean up is much faster with the panels up also
 
Robert...abalone knives are probably a lot more common there than here in Austin...hahahahha!

Got the bunny suit!

The wind screens were replaced on the tennis courts. When I saw the fabric I knew that I could find a use for it later on. Then...aha! I welded up some electrical conduit into 4x9 panels and ziptied the fabric on the panels. With six panels two of us should be able to get a large area done without much blowby. I have some of the 4x9 panels that may work as drop clothes to blow the material onto instead of into the turf.

This is all new to me so I'm going to invent as I go. There will be plenty of pics starting Monday.
 
Several kinds are avail, CFM to match your nozzle is important, cfm and pressure are lost due to long lengths of hose so keep that in mind.

there are two primary kinds, Screw and Monoblock. Each has advantages over the other.

a couple of makes you might want to look at for comparing are LeRoi, Sullair, Sullivan & Grimmer-Schmidt
 
We use the Supersonic Air Knife and run it on a used compressor from Sunbelt. The SAK needs a 185 cfm compressor to be most effective.
There is also a new model air knife that has a water hook up allowing you to work in dry conditions with NO DUST.
 
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What kind of compressors do you folks use for your air spades? Not buying one soon, but curious for the (distant) future...

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The standard size Air Spade and Air Knife run on a 185cfm compressor. If you purchase the next size up "The Big Gun" you need to run a 375cfm compressor.
 
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I've been told that it takes a 375 cfm to run two air tools...does anyone have experience with this?

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I did it for one job and it didn't work out that well. We were using The Big Gun and a Air Spade. I am not sure if The Big Gun took more pressure or if it was the length of hose we were running. In the end we just ran one tool.

I would suggest you go to the rental company and ask them if you could try it in their yard and see how it works. We were running 150' of hose for each tool. The shorter the hose length the better.
 
The "Big Gun" does take more air. The x-lt (air knife) winds up drawing less air when you engage the bigger one. Two x-lt models on a 375 cfm does work.
Investing in the light weight hose makes a huge difference. It's much easier to maneuver and you can run as much length as you need with no loss in air pressure.
 
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