Hoover Windtunnel 2/Z700

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I remember the W2 and Z700 from when I was 9 years old. The self-cleaning filter sounded like a nice innovation, but nowadays, it is a flawed design.
 
Hoover Z

Did anyone actually like the Hoover Z beyond its being unusual? I thought they were too bulky and heavy and seemed poorly built - way too much play in the moving parts. I never had one at home or used one in a home, so I can't say if it cleaned well or not.
 
hoover z was a joint project of maytag and tacony during a time when maytag was dismantling north canton ohios main campus...true hoover enthusiasts know this was NEVER a true hoover product....just a poor idea of desparate maytag execs to compete with dysons onslaught of the american vacuum market.....john longs to show everyone his z at his minimeets.....i myself send my hoover customers z vacs straight to the dumpster and send them home with the hoover platinum bagless or our new max cyclonic pet UH70605....AN AWESOME VAC.....and a big seller in this showroom......
 
The self-cleaning filter design is such a flawed concept both theoretically and in practice that it's difficult to imagine how it made it to the production stage.

If the dirt and dust particles that got sucked into the filter in the first place do fall off in Hoover's advertisement scenario, gravity ain't gonna let them settle to the bottom the second time around.

I've worked on just enough of both Z-400/700 and the Windtunnel 2 to know that gravity doesn't take over against suction on these. The filters get packed and they are very difficult to service. Parts are expensive. Some plastic in the W2 is brittle.

The bagged W2 is a much better choice than the bagless. If you don't need the extra filtration of a genuine Hoover W2 polyfiber bag, you can buy the Envirocare generic paper bags that give fairly good filtration and they are much less expensive. Filtrete makes a polyfiber W2 bag that costs less than Hoover.
 
I have a Z 700, and it is very bulky and heavy in use. It has a very agressive brushroll, but rather poor suction. It is great on some carpets (deep, loosely woven), but performs rather poorly on dense carpet. I like it, but it is poorly designed.
 
Z400

I think Hoover was trying too hard to be unique with this machine. Some of the features just don't work that well in reality. However, there are some things they did right with this machine. I'll make a list of some of the features that I like...

Is a dual motor system,
Has soft start with both the suction and brushroll motor,
Uses a serpentine belt,
Has a mostly centered suction duct,
Uses a diverter valve in the base, so the air either goes directly to the floor nozzle or the hose,
Has an adjustable handle,
Stores compactly,
Is very stable with the hose, even when it is fully stretched out, or you are using with the hose extension.

I think the real reason it's stable with the hose is because it attaches at the base of the machine, and not because you can fold it down. The weight of the vacuum also helps keep it planted.

cam2s++12-29-2012-16-47-20.jpg
 

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