Hi, folks.
Back to testing for Barb's situation. I didn't get a chance to hook up both 4 inch input ports, so I gave the new blower the test from hell.
One 4 inch connection coming from the two 6 inch ports on the back of the Legend, choked down to 4 inches (see photos above), then combined in a "Tee" to a single 4 inch flexible aluminum hose, which I connected to the blower. I capped the other 4 inch input port on the blower. I then connected the output of the blower to some more flexible aluminum hose (also reduced to 4 inches) which finally makes it outside after a couple of turns.
When I first turned the blower on, it almost pulled the 4 inch input hose apart (tried to collapse). The output looked like one of those long circus balloons blown up very tightly, arched in the air.
The battery died in the camera, so I left it all hooked up until tomorrow so that I can take photos of the system off, then on. It is quite comical to see.
Even with it choked, it moved all the smoke out of the cabinet post-haste. There was never any slow drift of the smoke, it was always moving quickly toward the ports.
After I photo the system as is, I will change it to dual 4 inch inputs to emulate Barb's system, and run a few more tests. Even now, though, I can't imagine why this blower won't solve her problem. My total cost so far with shipping included (shipping was $60 because of the weight), $318 US. I had a couple of adapters and some hose on hand already. I did have to run a 220 VAC circuit for the blower, but I had everything I needed on hand as well, besides, the outlet is only about 10 feet from the panel.
The only thing I don't like is the mostly empty "sled" on casters since the rest of the intended dust system is missing. Maybe I will make a mount when I get a chance.
All the best,
David
Epilog Legend EXT 120 watt laser. ShopBot PRTalpha. Complete woodworking shop.
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