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Elizabeth M
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Blogger
Re: Pool
Elizabeth M   11/6/2013 4:43:26 AM
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Yes, rickgtoc, I am familiar with these pool vacs. I seem to have omitted them from the slideshow--my bad! My sister and her family have one and they do seem to work quite well and efficiently without much hassle.

Elizabeth M
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Blogger
Re: Rosie and roomba
Elizabeth M   11/6/2013 4:31:02 AM
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Thanks for that comment, Reliabilityguru. The Roombas seem so popular so it's interesting to hear a negative side to it. I don't have one personally, so I wouldn't know about how it actually works in a home at all. So you stopped using the device?

Elizabeth M
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Blogger
Re: Rosie and roomba
Elizabeth M   11/6/2013 4:20:56 AM
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Thanks for the photo, JimT...Rosie was certainly ahead of her time. But it seems like designers are edging closer to something like this every day.

Elizabeth M
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Blogger
Re: Rosie and roomba
Elizabeth M   11/6/2013 4:18:47 AM
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I know, Chuck, they are so impressive. It would be great if this design makes it to the commercial marketplace!

Battar
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Platinum
Re: Pool
Battar   11/6/2013 1:50:36 AM
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Rick,

       You didn't do your homework. Robotic pool cleaners are electrically powered and include micro-processor control - the latest ones have 32 bit ARM processors inside, and there is a second processor in the power supply.  "Wander semi randomly" doesn't do justice to the many hours of programming and testing that goes into making them work.  The pressure or suction side pool cleaners you talk about are to a robotic pool cleaner what a broom is to a Roomba.

JimT@Future-Product-Innovations
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Blogger
Re: Rosie and roomba
JimT@Future-Product-Innovations   11/5/2013 7:38:49 PM
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I thought I had remembered Rosie pushing a Hoover;  I was assuming that Hanna-Barbera didn't have the same vision as  George Lucas, to incorporate a suction directly into the Host system like an R2D2 .... But a quick look at Google-Images proved me wrong!  Even in 1962, they had the vision of full system integration!

Rosie-with-vacuum

Charles Murray
User Rank
Blogger
Re: Rosie and roomba
Charles Murray   11/5/2013 7:30:27 PM
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Thanks, Liz. The video of the Mab robots is amazing. I can see why it won the design contest.

rickgtoc
User Rank
Gold
Re: Pool
rickgtoc   11/5/2013 1:59:31 PM
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"Automated" pool vacs have been around for quite a while.  Working under water is no big problem in that application.  Materials have to be tolerant of water and pool treatment chemicalss.  The motive and vacuum power is supplied by the pool filter circulation pump.  No water-proofing or pressure vessel issues like one might have in a true submarine robot.  And there's not a lot of "smarts" to most of the pool vacs.  They wander semi-randomly along the bottom and part way up the wall of the pool.  Let them wander long enough and they usually cover the whole bottom. Not exactly self-directed intelligence.  But then, they do work.  Or at least mine did back when I had a house with a pool.

Reliabilityguru
User Rank
Gold
Re: Rosie and roomba
Reliabilityguru   11/5/2013 9:30:18 AM
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We have a Roomba that sold as the pet owner's model. It requires what I consider a lot of maintenance. Before it is used the room has to be prepared. Anything on the floor except the furniture needs to be moved away. Between each use the brushes need to be combed, the debris bin emptied, and the filter cleaned. In addition, dog hair gets lodged everywhere and periodically all the nooks and crannies need cleaned. The motor and gearbox are not sealed and eventually dog hair and dirt cause the mechanism to freeze up. The gear box/motor assembly can be taken apart, cleaned, and reassembled if done very carefully. But this assembly, called the Cleaning Head, was not designed to be taken apart, it was designed to be removed and replaced for $50. Because of this, I consider the Roomba Robot as a geek's toy and not a serious home appliance. Most dog owners, including my wife, would be unable or disinclined to keep it operational for very long.

Battar
User Rank
Platinum
Pool
Battar   11/5/2013 9:21:32 AM
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You can also get robots that clean your swimming pool for you while you sleep. (If you are lucky enough to have a backyard pool, that is). 

Building a robot which can work reliably underwater for long periods is no mean feat. On the other hand, it has less obstacles to deal with.

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