Thread Number: 37100
Solid vs Perforated Tub
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Post# 551891   10/25/2011 at 19:41 (4,559 days old) by bingwsguy (Binghamton NY)        

I've been watching YouTube videos of vintage washing machines and wondering how some solid tubs seem to drain water faster than the perforated tubs? Can anyone explain? Also my logic says a perforated tub would dispose of debris better. True or false? Thanks.




Post# 551892 , Reply# 1   10/25/2011 at 19:46 (4,559 days old) by PeterH770 (Marietta, GA)        

peterh770's profile picture

They don't have to wait for a pump to keep up.  They move into spin, throw the water over the top, it collects in the outer tub and the pump then works to pump it out while the spinning dry can continue. 

 

As far as debris, yes, the perf'd tubs disposed of it better.  Consumer Reports regularly dinged the solid tubs for this. Unless you lived on a beach or rolled in the mud before washing, it really wasn't too much of an issue.


Post# 551893 , Reply# 2   10/25/2011 at 19:47 (4,559 days old) by DirectDriveDave ()        

On the solid tubs, like the old Frigidiares, there were holes in the top rim of the tub, and some of these machines did not have an outer tub, it would spin out all the water to inside the cabinet and then got pumped out from there.

Post# 551912 , Reply# 3   10/25/2011 at 21:46 (4,559 days old) by cfz2882 (Belle Fourche,SD)        
'70 hotpoint

only solid tub i had washing experience with was a 1970 hotpoint-it would often
leave a little sand in the bottom of the tub despite the"sediment tube"-this tube
(of aluminum)later corroded,broke apart,and a piece lodged in the pump-contributing
to this washer going to it's grave in 1981....


Post# 551924 , Reply# 4   10/26/2011 at 00:13 (4,559 days old) by whirlykenmore78 (Prior Lake MN (GMT-0500 CDT.))        
solid tub

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I am a beliver that a solid tub forces dirt back into the load during it's water throw. The best system to me is the Whirlpool/Kenmore which uses a neutral drain before spin to settle out the soil and suds. The Maytags used a 1 Min soak then spin drain which also worked well.

Post# 551930 , Reply# 5   10/26/2011 at 01:08 (4,559 days old) by arbilab (Ft Worth TX (Ridglea))        

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You'd have to be my age (65) to remember the Westinghouse commercials where they threw a cup of sand into the washer and the clothes came out with no sand. It all settled into the outer tub and sump by gravity. So if sand is an issue there is nothing like a frontloader.

Gravity will also remove sand in a perftub TL. But how a solidtub deals with sand is beyond me. It can't help settling to the bottom in agitate and filtering through the clothes in spin.


Post# 551936 , Reply# 6   10/26/2011 at 01:29 (4,559 days old) by foraloysius (Leeuwarden, Friesland, the Netherlands)        

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The Sand test posted by Robert on Youtube.





Post# 551944 , Reply# 7   10/26/2011 at 03:37 (4,559 days old) by whirlcool (Just North Of Houston, Texas)        

Impressive test. I see they had a Frigidaire Control Tower and a GE Filter Flow as test machines in addition to the Westinghouse FL.
I think the reason the test succeeded was because of the perforated drum in the Westinghouse, the sand just fell right through.

My question is with today's FL machines using so little water, would the results today be so impressive?


Post# 551951 , Reply# 8   10/26/2011 at 05:45 (4,559 days old) by DADoES (TX, U.S. of A.)        

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The Maytags used a 1 Min soak then spin drain which also worked well.
The 1-min pause is technically not intended as a soak. It's required that the motor coasts to a full stop before reversing for drain/spin. Maytag simply has that pause being a full increment on the timer.


Post# 551958 , Reply# 9   10/26/2011 at 06:25 (4,559 days old) by Tomturbomatic (Beltsville, MD)        

The reason WP-Kenmore had to have the spray rinses was to try and spray off the stuff that settled on top of the load as it drained. Even after the rinse in a DD, if it drains without spinning, the funny stuff on top of the water if softener is used settles on the load which is why the machines started the final spin with the powerful spray rinse. This is not to say that perforated tub machines like GE and Maytag did not redeposit stuff on the load, with water slopping over the top of the tub as it spun during drain and they used spray rinses after the wash also. Even solid tub machines, as soon as they begin to spin, will move the suds near the agitator down against the clothes as the water near the outer edge of the tub rises to be thrown over the clothes and into the outer tub or cabinet. Speed Queen with its long overflow at the end of the wash period COULD float all of the suds off the top of the wash water before the loud solenoid bang that began the spin/drain.

Of course, in the early days of doing laundry when soap was used, wringer washers dealt with suds and any soap curd best because the items were lifted out of the water leaving all of that behind. The Bendix Automatic Home Laundry had trouble dealing with that in its small cylinder, but once low sudsing detergents came on the scene, a tumbler washer that drains the water away and tumbles the load either continuously or a few times during drain seems the best at coping with both heavy and light, suspended soil without having it get back on the fabrics. Older WH machines with the powerful flush rinse that sprayed directly into the tumbling load after the wash drain were very effective at knocking down any remianing suds without spinning them into the load.


Post# 551967 , Reply# 10   10/26/2011 at 07:55 (4,559 days old) by alr2903 (TN)        

I think baby boomer diapers were washed in "Ivory snow",   that was probably soap flakes and not a detergent back in the 1950's and 60's probably basis for a lot of the dreaded SCUM and warm rinsing. alr2903


Post# 551975 , Reply# 11   10/26/2011 at 08:37 (4,559 days old) by Tomturbomatic (Beltsville, MD)        

I remember ads for Ivory Snow in the late 50s or very early 60s that said, "granulated for machine efficiency," but yes, it was soap way back then.

Post# 551980 , Reply# 12   10/26/2011 at 08:57 (4,559 days old) by bingwsguy (Binghamton NY)        
Thanks

Thank you everyone for the responses- all makes sense & learned a few more things as well.

Post# 551984 , Reply# 13   10/26/2011 at 09:09 (4,559 days old) by Unimatic1140 (Minneapolis)        

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There are advantages and disadvantages to both. Perforated tub machines are clearly better with removing sand and heavy grit and make for much easier to design super-capacity washers. For farmers and other people who work with earth soil a perforated tub is definitely an advantage. I have found that beach sand is light enough that if the sand is properly shaken out it is not redeposited on the clothes even in solid tubs. Sediment tubes in the solid tub baskets were only slightly effective. Perforated tub machines big disadvantage is their propensity to suds-lock.

Solid tub machines are better for rinsing because of the overflow design, once suds and soil are over the top of the tub, there is no way for them to ever touch the clothes again. Solid tubs are also cleaner machines, if you've ever taken a wash basket out of any perforated tub machine you will find scum and with certain brands rust hidden beneath and around the wash basket. Your clothes are being soaked in this hidden grime.

Being a office worker, my preference is solid tub machines for most types of clothes.


Post# 552055 , Reply# 14   10/26/2011 at 15:12 (4,558 days old) by jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers)        
So would

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Archeologists, Miners, and loggers prefer perforated baskets??

 

Whereas dentists, lawyers, doctors, and lab technicians use solid basket machines??

 

 


Post# 552058 , Reply# 15   10/26/2011 at 15:22 (4,558 days old) by yogitunes (New Jersey)        

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Thats kinda funny........

we have a dealer out here, somewhat in the country, who has been an authorized Maytag and SpeedQueen dealer since 1960......

solid or perforated didn't matter, according to him, his customers were farmers and blue collar workers......the heavy duty performance of the SQ is what they preferred.....mainly because they were washing heavy twills and denims, greasy work clothes, sweaty coveralls.....of the few that did get the Maytags, soon traded in, returning to the solid tub SQ's.......


Post# 552457 , Reply# 16   10/28/2011 at 15:53 (4,556 days old) by Tomturbomatic (Beltsville, MD)        

Martin, your evidence is similar to John's. When the company he worked for took on WP washers during a Maytag strike so that they would have something to sell, customers who had been Maytag owners and who bought a WP came back to tell him that their clothes were washed cleaner in the WP.

Post# 552749 , Reply# 17   10/30/2011 at 06:22 (4,555 days old) by norgeway (mocksville n c )        
I am in TOTAL agreement.

Maytags ARE great machines, and last forever, but to me, fall WAY short of a Whirlpool or Speed Queen and most especially a Norge in washing performance.

Post# 552754 , Reply# 18   10/30/2011 at 07:21 (4,555 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
SOLID VS PERFORATED BASKETS

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Agreed Hans and Tom about MTs but the real point here is S vs P tub machines. The only real advantage I could ever see is that they use less hot water for washing but they make up for some of the savings trying to rinse dirt and detergent out of the load in a non perforated tub using a very ineffective overflow rinses The overflow rinse does remove small amounts of floating soap scum and lint, but to actually rinse away dirty water and detergent residue you must first drain all the wash or rinse water.

 

Solid tub machines are also generally stinky machines as there are too many areas where water comes in contact with machines parts that are not completely washed down in the outer tub and under the top. As a result they build up more sticky scum, my WO-65 Frigidare is the only washer I have used regularly that stinks. I must say though that my 1962 WCI washer is not as bad as they used an outer tub by this time instead using the entire cabinet as a catch tub for the water.


Post# 552759 , Reply# 19   10/30/2011 at 08:39 (4,555 days old) by Tomturbomatic (Beltsville, MD)        

Frigidaire had a remedy for that. You fill the tub with hot water, detergent and bleach and let it mix. Then spin the water out of the tub and stop the machine. Let it sit for about half an hour and then let it pump out the water. I suppose if it's bad enough, instead of passive soaking, you could hold the drain hose in the tub, moving it around to direct the stream of water around the 360 degrees the pulsator, not the tub (to reduce splashing), and let it spin to spray the recirculated water to really flush down anything on the inner walls of the cabinet.

Post# 552779 , Reply# 20   10/30/2011 at 10:45 (4,554 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
CLEANING OLD FD SOLID TUB WASHERS

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Yes I remember reading about this suggested cleaning procedure in Frigidare manuals, and I have tried it several times but the odor comes back. What I need to do is disassemble the machine and physically scrub out the crap, but in general I leave very old things alone as long as they work properly as this kind of project can turn into a major undertaking.


Post# 552784 , Reply# 21   10/30/2011 at 11:22 (4,554 days old) by norgeway (mocksville n c )        
I did kind of get off subject..LOL!

I always thought, for some reason solid tub machines washed a little better, just my imagination maybe??

Post# 552809 , Reply# 22   10/30/2011 at 14:50 (4,554 days old) by Tomturbomatic (Beltsville, MD)        

If it's a WO-65, don't you just remove the 4 philips head screws to tip back the top to scrub out the cabinet?

As far as perforated tub machines go, they can get some nasty build-up on the outside of the basket and on the inside of the outer tub like the build-up patterns on the inside of the plastic outer tub of Design 2000 machines and the goo that accumulated in the bottom of the GE Filter Flo outer tubs we used to see. Maybe any machine will crud up with improper laundering habits.


Post# 552815 , Reply# 23   10/30/2011 at 15:12 (4,554 days old) by 76speedqueen (Orleans County Ny)        
I like my solid tub!

76speedqueen's profile picture
My solid tub speed queen from the seventies seems to have no trouble with left over grit and I often wash muddy clothing from doing my gardening!


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