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DysonInventsBig


Location: USA
Joined: Jul 31, 2007
Points: 1454


Original Message   Jun 28, 2008 12:41 am

Dyson is in the news frequently and so a dedicated thread.

.

This message was modified Aug 2, 2008 by DysonInventsBig



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Trebor


Joined: Jan 16, 2009
Points: 321


Reply #542   Jan 27, 2009 3:32 pm
The finer the material being filtered the faster any filter will lose its effectiveness. That includes Dyson. As the cyclone starts up and winds down, in other words when the centrifugal force is insufficient for the particles being spun to acquire sufficient mass to be spun out of the airstream, particles are deposited on the filter. The more times a Dyson is turned on and off the sooner the cyclonic action is impaired. It is quite easy to sell a Kirby in a home where a Dyson and carpet fresh is are used regularly.

There is no question that the filtrete bags sustain cleaning power much longer than the paper bags with the melt blown liner. Any slight improvement over this offered by the Dyson cyclonic action is minimal, and the user still has to take it outside to open it to dump the dirt, and even if it is held inside a garbage bag when it is emptied, a certain amount of dust inevitably escapes. The point of HEPA filtration is to AVOID contact with the collected pollutants, which no bagless does. How about disposable bagless containers, like that cheap imitation tupperware in the stores? They could be made super cheap, filter and all, just toss them away and put another one on!

Trilobite


Joined: Nov 7, 2007
Points: 121


Reply #543   Jan 27, 2009 4:36 pm
Trebor wrote:
The finer the material being filtered the faster any filter will lose its effectiveness. That includes Dyson. As the cyclone starts up and winds down, in other words when the centrifugal force is insufficient for the particles being spun to acquire sufficient mass to be spun out of the airstream, particles are deposited on the filter. The more times a Dyson is turned on and off the sooner the cyclonic action is impaired. It is quite easy to sell a Kirby in a home where a Dyson and carpet fresh is are used regularly.

There is no question that the filtrete bags sustain cleaning power much longer than the paper bags with the melt blown liner. Any slight improvement over this offered by the Dyson cyclonic action is minimal, and the user still has to take it outside to open it to dump the dirt, and even if it is held inside a garbage bag when it is emptied, a certain amount of dust inevitably escapes. The point of HEPA filtration is to AVOID contact with the collected pollutants, which no bagless does. How about disposable bagless containers, like that cheap imitation tupperware in the stores? They could be made super cheap, filter and all, just toss them away and put another one on!


Ha ha! That thought has crossed my mind too! It makes bagged cleaners look like the sensible option after all.

Hoover UK had an upright called the 'Cyclean', which was a 'Vortex'/'Whirlwind'/'Hurricane' look-a-likey. It had the option of accepting 'Hoover' polythene bags! These bags had draw-strings, similar to the polybags in which ladies' make-up removal, cottonwool b-a-l-l-s are sometimes sold.

http://www1.dealtime.co.uk/xPF-Hoover-Hoover-CC3505-Cyclean-Twin-Hepa-Upright-Vacuum-Cleaner

(click on 'Read more' for further info.)

This message was modified Jan 27, 2009 by Trilobite
HARDSELL


Joined: Aug 22, 2007
Points: 1293


Reply #544   Jan 27, 2009 4:41 pm
Trebor wrote:
The finer the material being filtered the faster any filter will lose its effectiveness. That includes Dyson. As the cyclone starts up and winds down, in other words when the centrifugal force is insufficient for the particles being spun to acquire sufficient mass to be spun out of the airstream, particles are deposited on the filter. The more times a Dyson is turned on and off the sooner the cyclonic action is impaired. It is quite easy to sell a Kirby in a home where a Dyson and carpet fresh is are used regularly.
Nothing new in the first sentence. I would like to add that a filter that collecrs no dirt is either not functioning or should not  be designed to be where it is located. This is true in other filtered products.  In my experience I never noticed loss of suction in a DC07.  I have noticed it rather quickly in all my bagged vacuums.  I did not buy a Kirby because it out performed my Dyson.  I have previously stated that the salesman had to work hard to dirty the filter pad used in his demo. You could have put the dirt in a thimble. I attribute this to regular use with the DC07.  He also used the old "see how many more pads the Kirby will hold to the base using suction only.  The Royal failed miserably.  At the time I had a DC14 that held more pads than his Kirby before losing suction.  BTW, I have used capture.  How quickly will baking soda clog your favorite brand?   

There is no question that the filtrete bags sustain cleaning power much longer than the paper bags with the melt blown liner. Any slight improvement over this offered by the Dyson cyclonic action is minimal, and the user still has to take it outside to open it to dump the dirt, and even if it is held inside a garbage bag when it is emptied, a certain amount of dust inevitably escapes. The point of HEPA filtration is to AVOID contact with the collected pollutants, which no bagless does. How about disposable bagless containers, like that cheap imitation tupperware in the stores? They could be made super cheap, filter and all, just toss them away and put another one on!

Agreed that emptying bagless is not the most pleasant task.  Changing bags is no more pleasant.  Especially on the Kirby.  I can understand how a few may be bothered by the omission of dirt when emptying a bagless due to health reasons.  That same dirt is in the home prior to vacuuming and breathed daily until removed.  Use HEPA all you want but what about the dirt that is being blown around and not going into the bag.  This has to happen on front exhausted vacuums.  I can smell dust without seeing it. This is especially true when vacuuming on hard surfaces.  Hell, my Royal almost blows the curtains off the wall when it gets within 5 feet of them.

It is apparent that you are as Dyson as Carmine.  Fiund the perfect vacuum and rep[ort to us.



 

HARDSELL


Joined: Aug 22, 2007
Points: 1293


Reply #545   Jan 27, 2009 4:45 pm
mole wrote:
This makes for nice sounding,SOUND bites for advertising, Oh look we saved $ 8.00  A year on bags ,Why dont they tell us much the lifetime filters cost to replace once a year.

Im getting real tired of rug sucker HYPE and the con job this industry has become.

MOLE



My DC07 filter did not need replacing after 3 years.  Can't say that about pleated filters though.

Decicions Decisions. Does one sacrifice cleaning power to avoid a replacement filter or get the ultiimate Dyson cleaning power and buy a filter occasionally?

You are right about the sucker HYPE.  Seems to spew like dirt from those with the most to gain from bashing Dyson.

M00seUK


Joined: Aug 18, 2007
Points: 295


Reply #546   Jan 27, 2009 4:47 pm
Trilobite wrote:

...these bags had draw-strings, similar to the polybags in which ladies' make-up removal, cottonwool b-a-l-l-s are sometimes sold.



Oh gawd - is this forum filtering that B-word??
HARDSELL


Joined: Aug 22, 2007
Points: 1293


Reply #547   Jan 27, 2009 4:51 pm
Trebor wrote:
 All of this ballyhoo over a vacuum cleaner that is now all but one more chapter in history?

James Dyson is a brillant conceptual engineer, but he is not a design engineer to nearly the same degree. He designed a new concept around a vacuum cleaner. What his imitators are doing now is designing their vacuum cleaners around what is now a commonplace concept.  Mr. Dyson made vacuums that are novel, and admittedly fuctional in that they maintain their cleaning power much longer than vacuums equipped with the paper bags of approximately 20 years ago. However, by no stretch of the imagination did he build vacuum cleaners which are attractive (downright fanny ugly) nor convenient, not compared to many he had to compete against. To avoid having a height adjustment he designed a failure-prone clutch assembly which is not inexpensive to repair. (Oh ye who dibelieve, talk to the vac shops waiting on repair parts on back order from Dyson) The hose/wand is inconvenient (Actually his imitator, Amway, had the optimum solution, a lever to switch suction from floor to hose, and a short stetch hose with a crevice tool on board. The addition of a telescopic wand, dust brush, and upholstery tool on board would have allowed the operator to vacuum with the vacuum handle in one hand, and the hose/wand in the other and switch from one to the other with the flick of a toe. The Sharp bagless had this arrangement, and it is the most convenient upright to use simultaneuoslty with OBT of any that have ever been manufactured. Eureka/Lux has a few BUT, the switch from floor to above-the-floor is acheived with a dial which must be operated by hand.

The important issue to remember is that the bagless concept has now been rendered obsolete by the new bags made from 3M Filtrete paper/cloth. They have been proved in Miele, Sanitaire, Kirby and other brands to maintain nealy 100% of their initial cleaning power as they fill with dirt. The dirt in these bags is compacted as the bag fills, in the bagless machines it is fluffed and looks like more than it really is. If you don't have to change the bags as often as you would have to empty a dirt container, and if the bags are more sanitary and convenient, what are the advantages of a bagless unit, even a Dyson? Cost? It is just paper, not hide flayed from anyone's back. Does anyone track how much bathroom tissue, facial tissue, paper plates and paper towels they use annually? If not, what is all the fuss and to-do about the cost of 6 to 8 bags a year? Nothing but hype, and it is ludicrous. James Dyson you have had your 15min of fame, is that all you've got?


If it wasn't so serious I would find it ludicrous that an independent would sell a customer something that he knew would require annual repair or maintenance costs.
Trilobite


Joined: Nov 7, 2007
Points: 121


Reply #548   Jan 27, 2009 4:54 pm
M00seUK wrote:
Oh gawd - is this forum filtering that B-word??


Yes, and it is a pain in the bahookey!
CarmineD


Joined: Dec 31, 2007
Points: 5894


Reply #549   Jan 27, 2009 5:41 pm
HARDSELL wrote:

Agreed that emptying bagless is not the most pleasant task.  Changing bags is no more pleasant.  It is apparent that you are as fond of Dyson as Carmine.  Find the perfect vacuum and report to us.



 



Hey HARDSELL:

You have to do the former, dirt bin dumping, much more frequently and as often as daily.  The latter, bag replacement, every month or longer.  Add periodic filter maintenance/replacement for those lifetime filters too in dysons.  Dah!  That's Trebor's point.  Of course, you have to be able to read and comprehend to understand it.  Fortunately for the illiterate, dyson provides 2 huge pages of illustrations to show users the proper way to dump a dirt bin so as not to get more dirt back in your face than in the trash.

I'm sure if any vacuum were named for you other than a dyson we would have to hear ad nauseam about your fondness for a DC07, which BTW you proudly sold after 3 years to buy a bagged Royal Emminence. 

Now tell us why dyson sales have tanked in the UK and world wide if they are as good as you would like us to believe!  Better yet, don't bother.  Here's an answer even you can understand with no mental exercise.  Users sell dysons after a few years, if they're lucky enough, and use the proceeds to buy bagged vacuums instead.  Dah!   

Carmine D.

This message was modified Jan 27, 2009 by CarmineD
Trebor


Joined: Jan 16, 2009
Points: 321


Reply #550   Jan 27, 2009 6:58 pm
Hardsell,

You still have not answered the question about bags made of Fitrete material holding much more dirt while losing very little suction when compared to regular bags. That was the major advantage Dyson had. Please tell me why would someone buy a Dyson NOW, over a bagged vaccum with filtrete bags. What are the advantages, besides not having to buy bags and filters?

This message was modified Jan 27, 2009 by Trebor
dusty


Joined: Feb 8, 2008
Points: 264


Reply #551   Jan 27, 2009 11:03 pm
Trebor wrote:

 That was the major advantage Dyson had. Please tell me why would someone buy a Dyson NOW, over a bagged vaccum with filtrete bags. What are the advantages, besides not having to buy bags and filters?


From my experience it's not the "no loss of suction" that sells Dysons it's simply the fact you don't buy bags or filters.  I had a customer today that chose a DC25 over a Riccar for that very reason.  I think that until the price of Filtrete bags drop substantially, Dyson will always have a market for their product....that and the fact that men think they're cool looking and for some reason have no problem spending bigger dollars on Dysons than they do anything else.  To this date, we've yet to sell a Dyson handvac to a woman....all male customers.

Dusty
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