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M00seUK


Joined: Aug 18, 2007
Points: 295

Dyson DC31 Handheld cleaner
Original Message   Jun 25, 2009 10:06 am
In the press today:-
http://www.thisislondon.co.uk/standard/article-23711862-details/Dyson+with+more+revs+than+F1+racer/article.do

Product details:-

  • Motor goes at 106,000rpm 'three times faster than any other motor'
  • 200 watt motor
  • 65/38 air watts (switchable power??)
  • £129.99 GBP RRP, powered brush version £149.99

I think the devil will be in the other details, as we learn them. Presumably it's using the Dyson Digital motor? From the photo, the collection bin looks slightly deeper and has a more prominent release switch. It has improved max suction (DC16 has 36 air watts) so I'm presuming (nay hoping) that it can run in standard mode for more than 5mins and switch to a 'turbo' mode as needed?

I have prefectly good DC16, but I could be tempted by something with a longer run time and twice the already impresive suction for car cleaning.

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CarmineD


Joined: Dec 31, 2007
Points: 5894

Re: Dyson DC31 Handheld cleaner
Reply #235   Aug 13, 2009 9:28 am
DysonInventsBig wrote:

How you spend your recreational time is not of interest to me.  My interest is in exposing the seedy side (segment) to your industry - via you (primarily).  Stay focused please.


DIB


Back at you DIB.  I have no interest in betting cheaters, welchers and fools with silly offers.  I bet for cash.  Stay focused.  Why didn't the DC16 pick up the wet kity litter as quickly and easily as the B&D pivot vac which still had a full charge more than a DC16 after the job was complete? Let's see: $150-$200 versus $50?  Remember your sign and the good Pastor's words?  

Carmine D.

CarmineD


Joined: Dec 31, 2007
Points: 5894

Re: Dyson DC31 Handheld cleaner
Reply #236   Aug 13, 2009 1:40 pm
Hello Severus:

Looks like DIB by his lack of responses here is conspicuosly MIA and absent.

In concert with your reservations about the cyclones on dyson's handheld, the Popular Meachanics test complicates the clean-up scenario further with the "wet" kitty litter.  Water is tabu for dyson dirt cyclones.  Speeds up the clogging process in the cyclones.  Hence dyson's warnings about never ever using water and washing the cyclones.  Moral of the story, if you want a handheld that looks innovative but only works for 5 minutes on limited clean up jobs, and you have $150-$200 to flush down the toilet, DC16 id the one.  If you are looking to buy a real hand held cordless with a 30 year history of product performance and only $50, Black & Decker is the one. 

Carmine D.

Severus


If my vacuum can remove even one spec of dirt that yours misses, then mine is better than yours - even if there's no proof that mine would have picked up as much dirt as yours...

Joined: Jul 31, 2007
Points: 397

Re: Dyson DC31 Handheld cleaner
Reply #237   Aug 13, 2009 2:37 pm
DysonInventsBig wrote:
I have not seen any evidence of this.  Have you?

DIB

P.S.  I own 3 DC16's.

You can also overwhelm the cyclonic separation by taking in too much dirt at once.   I suspect that most of the dirt that goes into the pre-motor filters is from start up and/or overwhelming the cyclones with too much dirt at once.   

Dyson users have reported dirt and sand getting into the pre-motor filters.   This is why.  With a much lower powered hand vac and users cycling them on and off, I suspect it will be much worse. 

The smart tyrant writes his own story to ensure that it is favorable.  The lazy will repeat lines from the book without fact checking. 
DysonInventsBig


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

Re: Dyson DC31 Handheld cleaner
Reply #238   Aug 13, 2009 3:49 pm
Severus wrote:
You can also overwhelm the cyclonic separation by taking in too much dirt at once.   I suspect that most of the dirt that goes into the pre-motor filters is from start up and/or overwhelming the cyclones with too much dirt at once.   

Dyson users have reported dirt and sand getting into the pre-motor filters.   This is why.  With a much lower powered hand vac and users cycling them on and off, I suspect it will be much worse. 

Dust overload and/or lack of proper airflow are the primary ways the cyclones do not filter well.

I’ve seen little evidence of dust reentrainment (the few models I’ve studied) at startup and shut down.

The handheld by nature, brings much airflow to the cyclones and this is why the separators work (filter) so well.  Carmine could have informed you of this - if he could only get his head around the science of cyclonic’s.  Perhaps if he quit spending so much time rambling and smothering, and instead pick up a book - this may help.  Then again, more likely not.


DIB
This message was modified Aug 13, 2009 by DysonInventsBig



CarmineD


Joined: Dec 31, 2007
Points: 5894

Re: Dyson DC31 Handheld cleaner
Reply #239   Aug 13, 2009 4:47 pm
Hey DIB:

I thought you decided to bail out of the dyson camp after getting overwhelmed here by all the posters for your illogical and hypocritical praise of dyson's DC16.  DId any poster here agree with you that's it's a solid performer in its class let alone worth the ridiculous high price?

BTW, how many of those 3 DC16 handhelds did you actually buy new and pay full price for?  I'm betting none.  Notta.  Want to take my bet?    If I'm right and win, I get a free all expense paid vacation to dysonland.  If I'm wrong and lose, I get a free all expense paid vacation to dysonland.  Either way, I'll pay your way too.  What do you say? Take my bet?  [Can you see and hear me laughing as I post this.  Not with you.  At you!].

Carmine D.

CarmineD


Joined: Dec 31, 2007
Points: 5894

Re: Dyson DC31 Handheld cleaner
Reply #240   Aug 13, 2009 4:59 pm
Talking about science DIB, one of my favorite topics.  Have you ever heard of the High School course called INtegrated Science?  2 years.  It combines the disciplines of physics and chemistry together into one study.  The instructor who invented the course and taught is Dr. Morris Lerner [now deceased but the course goes on and advanced into some of the most prestigious universities in the USA.]  Twenty five years after I had his course, he met a relative of mine with the same last name as me.  He asked if there was a relation to me.  The relative said yes and queried how would you remember Carmine's name after 25 years?  Dr. Lerner said:  I remember the names of all the students who I gave A's in IS.  They were a very small number.  Nice thing about the story is that it is 100 percent true [I threw that in for HS who hates half truths].
Carmine D. 
This message was modified Aug 13, 2009 by CarmineD
HARDSELL


Joined: Aug 22, 2007
Points: 1293

Re: Dyson DC31 Handheld cleaner
Reply #241   Aug 13, 2009 7:23 pm
CarmineD wrote:
Talking about science DIB, one of my favorite topics.  Have you ever heard of the High School course called INtegrated Science?  2 years.  It combines the disciplines of physics and chemistry together into one study.  The instructor who invented the course and taught is Dr. Morris Lerner [now deceased but the course goes on and advanced into some of the most prestigious universities in the USA.]  Twenty five years after I had his course, he met a relative of mine with the same last name as me.  He asked if there was a relation to me.  The relative said yes and queried how would you remember Carmine's name after 25 years?  Dr. Lerner said:  I remember the names of all the students who I gave A's in IS.  They were a very small number.  Nice thing about the story is that it is 100 percent true [I threw that in for HS who hates half truths].
Carmine D. 

I suppose you have proof to validate this story.  I mean proof that you can show us.  If not there is no reason to belive it coming from you. 
CarmineD


Joined: Dec 31, 2007
Points: 5894

Re: Dyson DC31 Handheld cleaner
Reply #242   Aug 13, 2009 8:57 pm
HARDSELL wrote:
I suppose you have proof to validate this story.  I mean proof that you can show us.  If not there is no reason to belive it coming from you. 



HS:

Ye of little faith.  

Carmine D.

1972 AAPT Distinguished Service Recipient, Morris R. Lerner Dies
Morris R. Lerner  Morris R. Lerner, a 1972 recipient of AAPT’s
 Distinguished Service Citation for exceptional
 contributions to physics teaching, died June 5 in
 Millburn, New Jersey at age 94.
This message was modified Aug 13, 2009 by CarmineD
HARDSELL


Joined: Aug 22, 2007
Points: 1293

Re: Dyson DC31 Handheld cleaner
Reply #243   Aug 13, 2009 9:00 pm
CarmineD wrote:



HS:

Ye of little faith.  What part of the story would you like me to prove?

Carmine D.



You could start with proof of anyone who would claim to be your relative.
CarmineD


Joined: Dec 31, 2007
Points: 5894

Re: Dyson DC31 Handheld cleaner
Reply #244   Aug 13, 2009 9:05 pm
Well, HS I have that proof.  Tho Dr. Lerner has passed as you can see.  The relative is still alive and doing well.  I'm sure that relative would like as much to recount the story to you as me once again.  Your call.

BTW, AAPT stands for American Association of Physics Teachers.  My illustrious science career did not end with HS.  In college, my Professor was Dr. Charles Pine, also deceased, and equally as reknown as Dr. Lerner.  Believe it or not, before the vacuum business, I had plans to be a scientist, thanks to the likes of Dr.'s Lerner and Pine.    Dr. Lerner said and wrote about me:  The "world hath need of thee."  Little did we both know at the time it would be the vacuum world.

Carmine D.

This message was modified Aug 13, 2009 by CarmineD
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