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Thread Number: 59725
/ Tag: Modern Dryers
Dryers today |
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Post# 823553 , Reply# 1 5/15/2015 at 13:00 (3,268 days old) by DADoES  (TX, U.S. of A.) |
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 Love my Fisher & Paykel SmartLoad dryer with reverse tumble. Interesting design that does not involve two motors. Unfortunate they were discontinued. GE has frontload-match models that reverse-tumble, and F&P offers it rebadged as a toploader-match under their brand. F&P DE7027P1 F&P DG7027P1 GE GFDR485EFRR GE GFDR480EFWW | ||
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Post# 823558 , Reply# 2 5/15/2015 at 13:25 (3,268 days old) by Yogitunes (New Jersey) |
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I had the Frigidaire with reverse tumble, it still only used one motor.....
the concept and idea was unique, but actually did not work....did not dry any faster, and loads like sheets still rolled into a ball..... but agree, dryers should be 2x the size of any matched washer.....so for these 5 cu ft washers, the dryers should be made 10 cu ft to match...... when will people wise up....advertising for a washer that can wash 20 pairs of jeans in one load, yet no mention that the dryer can't handle it!....well, it can, if you want them creased and wrinkled!!! still don't see why people have to have these huge washers......what are they washing?...life rafts?, tents?, sails from a boat?... | ||
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Post# 823605 , Reply# 3 5/15/2015 at 18:26 (3,267 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Reverse Tumble Dryers Like Martin mentioned Frigidaire built RTDs in this country in the 90s [ Philco Ford also built them in the 60s ] and I never could see any benefit. And when I compare the poor results of the 20+ European dryers I have used over the last 25+ years in terms of drying speed, freedom from wrinkles etc, I certainly could only conclude that having the dryer reverse only makes it a less effective dryer.
If a dryer is going to tangle clothing reversing it from time to time will not do any good, it will only tangle the clothing in the opposite direction, and the dryer will probably still stop when the clothing is balled up. It just does not make any sense to reverse a dryers tumbling.
A dryer can be built for an ideal tumbling and airflow pattern if it runs only in one direction. This has been demonstrated in almost all modern North American full sized dryer designs for decades now. | ||
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Post# 823615 , Reply# 4 5/15/2015 at 19:53 (3,267 days old) by DADoES (TX, U.S. of A.) |
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Must disagree with that John. I ran a quilt several years ago in the Calypso-match dryer, on the designated Bulky cycle ... although perhaps the design of it doesn't compare to the older style. The quilt ended up still damp (had to be run again) and rolled into a wad. The same quilt in my SmartLoad comes out perfect every time. Different strokes for different folks, I suppose. | ||
| Post# 823640 , Reply# 5 5/15/2015 at 22:12 (3,267 days old) by norgeway (mocksville n c ) | ||
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Westinghouse dryers In the 60s and 70s, while not the best dryers, had staggered vanes and they NEVER tangled anything! | ||
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Post# 823643 , Reply# 6 5/15/2015 at 22:29 (3,267 days old) by kb0nes (Burnsville, MN) |
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Variable speed tumble
I have a pet project in my head (where its likely to stay due to lack of time) of adding a variable drum speed. I have a method schemed out that would work well on a standard Whirlpool dryer that just adds a small drum motor and a variable frequency inverter.
The drum speed could be adjusted over a wide range or even varied during a cycle. Simply altering the drum speed would likely break up the harmonic set up by the tumble speed and the vanes that causes balling. I suppose reversing would be possible too but the belt tensioner would have to be redesigned I'd think. | ||
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Post# 823652 , Reply# 7 5/15/2015 at 23:57 (3,267 days old) by Launderess (Quiet Please, There´s a Lady on Stage) |
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My AEG Lavatherm Reverse Tumbles
Sheets and other linen loads still tangle. Worse because it is a condenser dryer opening the door to untangle the load wastes energy.
Reached the conclusion that in order for sheets not to tangle there must be large enough room for them to tumble about. Sheets rarely ball up into a tangled knot when using those large Laundromat dryers. | ||
| Post# 823844 , Reply# 8 5/17/2015 at 09:47 (3,266 days old) by mark_wpduet (Lexington KY) | ||
I so AGREE with this!!
My Duet is 3.8 cu feet I think and my matching dryer is 7.0 cu feet I think, it's been over ten years so I can't remember if those #'s are correct, but the washer can handle more than the dryer. I sometimes split the loads up too and I HATE that, especially if I go to long without doing laundry and end up doing larger loads.
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Post# 823873 , Reply# 12 5/17/2015 at 12:55 (3,266 days old) by henene4 (Heidenheim a.d. Brenz (Germany)) |
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I don't think one can compare those dry-cleaning monsters of technical accumulation with a household dryer. Dry-cleaning machines are usually not loaded with one kind of big items of same weight, size and surface. Even if a dry cleaner only runs a load purley made of shirts, these are not 20 exactly same shirts. And even modern FLs ball up things. Some do, some don't. | ||
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Post# 823886 , Reply# 13 5/17/2015 at 14:07 (3,266 days old) by logixx (Germany) |
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Post# 823897 , Reply# 14 5/17/2015 at 15:48 (3,265 days old) by cuffs054 (MONTICELLO, GA) |
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I remember (perhaps incorrectly) that the Danby dryer I bought at Home Depot had only one motor and yet it reversed. | ||
| Post# 823917 , Reply# 15 5/17/2015 at 17:37 (3,265 days old) by mark_wpduet (Lexington KY) | ||
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Tennis Balls
do help somewhat......but even that doesn't always work. If I do sheets, I always throw tennis balls in. I have a thick bedspread that takes FOREVER to dry, and sometimes it will get balled up to. I always HATE washing that bedspread because of that....But I wash it OFTEN because the 2 cats get on the bed.....Surely technology can overcome this issue eventually.......
And I'm sure that tennis ball rubber heating up isn't the healthiest thing, but whatever..... | ||
| Post# 823931 , Reply# 16 5/17/2015 at 19:46 (3,265 days old) by jeb (Mansfield Ohiio) | ||
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load balling I found that the Frigidare 1-18 dryer balled things up less than any other I have used. The baffles were triangular shaped and I think that helped keep things separated. Jeff | ||
| Post# 823932 , Reply# 17 5/17/2015 at 19:48 (3,265 days old) by iej (.... ) | ||
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I've a Miele dryer with a reverse action and it genuinely doesn't ball up anything. Clothes mostly go one direction and then every so often it pauses and reverses briefly. I've never had any issues with knots and tangles. | ||
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Post# 825777 , Reply# 18 5/30/2015 at 08:48 (3,253 days old) by DADoES (TX, U.S. of A.) |
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Washed some bedding yesterday. Here are a few pics of the items at end of the dryer run. Drum capacity is 6.5 cu. ft. Tumble reverses for 40 seconds every 4 mins throughout the cycle. Heating is active during reverse tumble but at reduced wattage of 1,400 vs. forward tumbling being 3,600 watts on low & medium temp and 5,000 on high temp. Nothing was rolled/balled-up. The sheets load is a queen-size deep-pocket fitted sheet, flat sheet, five pillow cases. The pillow cases were all "loose," none caught in the pockets of the fitted sheet. Unloading, simply pick the items up out of the drum. The (queen-size) quilt was completely dry. It was run on Delicate (low heat, 127°F) at the 4th dryness level (of 5 choices), which is essentially the same as the pre-programmed Bulky Cycle on the Intuitive SmartLoad model. The sheets were run on Perm Press (medium heat, 140°F) at normal dryness level (3). Perm Press includes the anti-wrinkle function preselected (tumble for 30 seconds every 5 mins after drying is finished, direction reverses each time). I estimate 45 mins elapsed until I unloaded. 1) Quilt upon opening the door. 2) Picking up the quilt. 3) Quilt partially out of the drum. 4) Sheets upon opening the door. A pillow case and the fitted sheet on top. 5) The fitted sheet partially out of the drum. 6) The flat sheet and some pillow cases remaining. | ||
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Post# 825946 , Reply# 19 5/31/2015 at 13:48 (3,252 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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F&P Top Loading Dryer These were interesting dryers, this is the sort of unusual appliance that I sometimes like to collect. But just because it drys loads well without tangling one can not conclude that it is because it reverses tumbling. Most full size dryers have little or no problems with tangling, the only way you could prove that this F&P dryer does not tangle because of its reversing feature would be to disable the reversing and see how it does, I suspect that it still won't tangle due more to the unusual design of the drum and baffles.
Unfortunately these F&P dryers while good performers were certainly about the most problem prone and shortest lived of any full sized dryer sold in the US in the last 20 years. F&P ceased production of these dryers, if for no other reason but the fact that they were prone to catching fire. | ||
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Post# 826190 , Reply# 20 6/2/2015 at 04:58 (3,250 days old) by askolover (South of Nash Vegas, TN) |
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Never fully understood the mechanism on those top-load dryers. Regular FP dryers are just GE's with a different label. I saw a new FP at Lowes with a glass door that I'm sure would fit my 1998 GE. Wish I could find that door.....I've always wanted a window on the dryer! Model DG7027J1 Interior is identical to my GE. I'm going to measure the door next time I'm there. CLICK HERE TO GO TO askolover's LINK | ||
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