Thread Number: 34971  /  Tag: Brand New Vacuum Cleaners
Filter Queen 75th and M360 (black) airflow losses
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Post# 377154   8/21/2017 at 19:29 (2,410 days old) by blackheart (North Dakota)        

blackheart's profile picture
Well I've decided to give it another shot. This time measuring my own 75th anniversary edition and the M360 (black) which i borrowed from the shop i work at for testing purposes. The 75th uses a dual stage motor, not as long as the triple crown but it is indeed a dual. The M360 uses the new single stage. Both of them have had their container and seal cleaned and a new genuine cellulose cone installed. I also used the same hose wand and power nozzle for both machines. So how do they stack up? Let's see how they did. But first lets look at a few specs on them. Using a Kill-a-watt meter i was able to see how much wattage each machine used.
The 75th drew about 947 watts on high
the M360 drew about 1108 watts on high
A waterlift guage was attached directly to the machine bodies to compare waterlift. As can be seen here the 75th did, surprisingly, slightly better.


Post# 377155 , Reply# 1   8/21/2017 at 19:48 (2,410 days old) by blackheart (North Dakota)        
And first the 75th anniversary.

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I was going to go through and do the measurements again with a medipure filter but decided it was too much hassle so i just took a nozzle reading with it.
With medipure @ nozzle 63.71
Without medipure @ nozzle 68.85


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Post# 377156 , Reply# 2   8/21/2017 at 20:00 (2,410 days old) by blackheart (North Dakota)        
Aaaaand the M360

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While we have a much higher base power the difference at the nozzle is a mere 8.22 cfm

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Post# 377208 , Reply# 3   8/23/2017 at 13:19 (2,408 days old) by kloveland (Tulsa)        
Filter Queen 75th edition

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I have the 75th anniversary edition that I got from Phillip in the raffle at the official Vacuum Cleaner Collector’s club convention this year in Tulsa. I really enjoy using my Filter Queen the improvements on the power nozzle really make it an excellent carpet cleaner.

Post# 377209 , Reply# 4   8/23/2017 at 13:40 (2,408 days old) by Real1shep (Walla Walla, WA)        

That's quite a lot of difference in the wand right before the rug head.

 

Kevin


Post# 377216 , Reply# 5   8/23/2017 at 20:35 (2,408 days old) by wyaple (Pickerington, OH)        
Oh, I'm lovin' these tests!

wyaple's profile picture
Keep going! What's next? Rainbow E2? A 10 Amp Royal? Lux Guardian Platinum? Miele something-or-other? Whoohoo! Great work!

Bill


Post# 377222 , Reply# 6   8/24/2017 at 02:42 (2,408 days old) by blackheart (North Dakota)        
Next

blackheart's profile picture
One of my favorite canisters, the Tristar CXL. Hmm of the above machines i have 2, a rainbow E2 (black) and a Miele S7 upright so those will be coming in the future.

Post# 392166 , Reply# 7   5/21/2018 at 10:54 (2,137 days old) by troopersam (Perris)        
I’m still new at this...

...so, how do you measure the airflow for a given machine, and what do you need to do it?

Post# 392175 , Reply# 8   5/21/2018 at 15:46 (2,137 days old) by n0oxy (Saint Louis Missouri, United States)        
dual stage motors

The dual stage motors are actually more efficient but surprisingly are not used much anymore, the industry has moved to single stage motors that spin much faster, sound like screaming jets and in some cases, draw more power but don't provide any other benefit other than being smaller. It's very hard to find a portable vacuum that is currently made that uses a two stage motor although it's really common with central vacuums. the only vacuums I can think of that use two stage motors that are still made are the Metropolitan canisters, and the miracle mate and patriot. The other machines that used to use two stage motors have gone to one stage motors, such as the Aerus classic, Tristar which Aerus now makes and filter queen.
Mike


Post# 392176 , Reply# 9   5/21/2018 at 15:52 (2,137 days old) by Mike811 (Finland)        

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troopersam


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Post# 392177 , Reply# 10   5/21/2018 at 15:58 (2,137 days old) by Mike811 (Finland)        

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troopersam

For accurate airflow measurement Anemometer is needed.


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Post# 392180 , Reply# 11   5/21/2018 at 17:40 (2,137 days old) by blackheart (North Dakota)        
I use

blackheart's profile picture
A GM8901 anemometer if you measure in ft/min you multiply that figure by .026099 to get cfm, Another member calculated that out i just use his Figure. I also use the cuff from a baird meter to get a decent seal to the vane, and then for nozzle testing i've built a sealed wooden box to redirect all the flow to one hole for measurement.

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Post# 392181 , Reply# 12   5/21/2018 at 18:27 (2,137 days old) by luxflairguy (Wilmington, NC)        

Are Airstorm/Patriot vacuum even made anymore? All I can find are tools and bags on line.

Post# 392182 , Reply# 13   5/21/2018 at 20:49 (2,137 days old) by troopersam (Perris)        

Blackheart and Mike811, thank you! That was succinct and perfect!

Post# 392193 , Reply# 14   5/22/2018 at 05:45 (2,136 days old) by Mike811 (Finland)        

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I am going to build the airflow box. I also make different sizes adapter plates to fit my vacuum cleaner heads. For a seal I am going to use foam.
GM8901 Anemometer is coming.


Post# 392206 , Reply# 15   5/22/2018 at 16:14 (2,136 days old) by sleepdoc (St. Louis, MO)        
Box

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@blackheart, Doesn't the hole itself reduce the airflow and invalidate the test? I assume you've made it that size to fit the manometer, but Kirbys don't actually work like that when the brush housing is used. Please correct me if I'm mistaken.

Post# 392212 , Reply# 16   5/22/2018 at 19:41 (2,136 days old) by blackheart (North Dakota)        
*shrugs*

blackheart's profile picture
I'd imagine forcing the airflow through a smaller opening than the original probably does reduce it somewhat, however I cannot imagine it's a significant amount. I was getting a reading of about 137 or 138 for the Avalir. Even if the numbers are not fully accurate they still provide a comparison using the same tools, techniques and variables.

Post# 392232 , Reply# 17   5/23/2018 at 08:48 (2,135 days old) by sleepdoc (St. Louis, MO)        
Actually

sleepdoc's profile picture
It might not affect the results any more than attaching a Baird meter to any opening, since the meter itself has a fixed diameter. Even if it does affect it, it's consistent. Ultimately, you have to have some way to test airflow at the level of the floor nozzle, so I'd think that's as good as any. Are you able to put other uprights and power nozzles onto that box, or is it sized specifically for a Kirby?

Post# 392273 , Reply# 18   5/23/2018 at 21:52 (2,135 days old) by n0oxy (Saint Louis Missouri, United States)        
patriot

I'm not sure if the Patriots are still made, but greatvacs usually has some in stock and sells them at a good price, very similar to the older Tristar models.
Mike


Post# 392284 , Reply# 19   5/24/2018 at 09:23 (2,134 days old) by Vaclab (Pickerington, Ohio)        
Since the industry standard airflow hole is

vaclab's profile picture
Two inches in diameter, the total area of the intake hole just needs to be bigger. So a 2 inch round hole has an area of 3.14 square inches. If your top intake area is say 10" by 1.5", that would be 15 square inches, which is much larger.


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