Final Results from the Extraction Test

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I'm trying to remember what other washing/extracting machines you have in your collection that are different and might be fun to include...

Bendix squeeze tub?
WP combo?
Bendix Power Surge?
Hoover twinny?
 
The results are in for the 8 minute 1957 Unimatic Spin. The Frigidaire had the most difficult wash tub to measure the diameter, so I took the agitator out to get a better measurement and I'm changing the Frigidaire to 20" from 21" The 1947 GE is a full inch wider in diameter.

Also the Super Unimatic tub which has the 12lb tub the diameter is 21.25" which will give us 786 G's! I will test that tonight. I like the consistency of the results in these tests.
 
Interesting the top two are GE's. A 1947 and a 2004.

I wonder where does the Oasis fit in this chart. It spins 1000rpm but I don't know the tub diameter.
 
I wonder where does the Oasis fit in this chart. It spins 1000rpm but I don't know the tub diameter.
Jason, it's not just the RPM's but the amount of time at Top Speed seems to really make a difference.

F&P final spin (1010 RPM) is 6 mins, but I don't know if that includes acceleration time. Be interesting to see where it'd fit in the chart.
Glen I would bet the the F&P would fall in the 4th spot pushing the Neptune TL to 5, but that is only if the F&P spins at top speed for six minutes.
 
I am far from scienificly minded, but, i am curious how one of the new front loaders might fare (like mine)..
 
I believe the Oasis spins at about 1050 RPM for the last 3.5 minutes of the cycle
Unfortunately that's not long enough to produce extraction results as well as the GEs or the Unimatic. :(

I'm doing the last test, the Frankenstein Unimatic. I'm doing three complete rinse and spin tests. 1 with 4 minute spin, 1 with 8 minute spin and 1 with a 30 MINUTE SPIN! Results soon. It will be quite interesting to see how the time of full speed spin plays into the results here.
 
Yes, it will definitely be interesting to see how the Frankendaire stacks up. You put the bigger tub in that one, right? Wow, a 30-minute final spin.
Hi Eugene, that is correct, I put the 1963-1969 12lb tub into the Super Unimatic. It's 1.25" wider and a bit higher. Yes the Super Unimatic is the ultimate in Dial Pushing. I just changed the final spin time (or any step in the cycle) to what ever I want on the computer screen and press start! It's spinning right now, probably has about 20 minutes of more spinning to go.
 
Wow Robert!
You could start your own Consumer Mag.
Thanks for your hard work on these findings! It is very interesting!
Can't wait to hear about your creation, and how it did in the race.
Brent
 
Here they are, I removed the column "Water Removal Per Minute" because that was misleading. I added a column for "Residual Moisture Contents after Spinning", because that's the way the euro-boys like to see it :). It based on the Towels weighing 7lbs dry. The towels have now had enough and they are begging for a rest, so I hung them up in the basement to finish drying. Tomorrow I will fold them and reweigh them to see if they lost any weight in the tests.

Spinning the towels at 1140rpm for 30 minutes certainly makes them dry, but there was still water coming out of the holes at the top of the tub and hitting the window in the Super Unimatic after 29.5 minutes of spin!
 
I wonder if you put this on a graph, what the most efficent in time romoval of water on one axis would be vesus amount of water removed on another axis, seems like Matyag Amp would win,where the x cross section is is as the best, but we probably would have to factor in tub capacity, which is another variable. But I have to say that little Maytag amp kicked ass for its time.
 
I wonder if you put this on a graph, what the most efficent in time romoval of water on one axis would be vesus amount of water removed on another axis, seems like Matyag Amp would win,where the x cross section is is as the best, but we probably would have to factor in tub capacity, which is another variable. But I have to say that little Maytag amp kicked ass for its time.
 
Hooray for the wonderful "Super Unimatic"!!!

You broke the barrier and went beyond 70 percent extraction with the Fridigaire that you doctored up! Oh, but 30 minutes of spin. Such a long time! You might wear it out if that became a habit. Thanks again Robert for all your hard work of posting all the pictures and doing the comparative chart. You have no idea how much I have enjoyed this thread (well, and EVERYTHING else you do to bring this board together!) You are my hero!

I realized tonight that if we could figure out the complete mathmatical equation, spin dry results could be completely predictable mathmatically speaking, once we know things like G-forge. The wildcard here is time and that is the thing that I cannot quite see how to express mathmatically (I am a dunce who had to take freshman algebra twice and barely passed-at a community college. Sad, yah?) It would be some sort of very steep curve but maybe some one who did just a bit better in skool write this out as a mathmatical formula, so we can all figure out how well our machines do in theory.
 
Well Done Robert!!!!

Wow, just sat here browsing those results!!! makes great reading, That 47 GE certainly did kick some G`;s for its time, and do I remember it only having three castors??

Many thanks for the Residual %`s, I least you recognise how pernickity we Euro Boys are, ( okay, I am, I`ll own it...LOl) I`m with David, I nearly frazzed my brain trying to figure it all out...

I was thinking the GE Harmoney would have been somewhat better with the large diameter drum and fastest speed...I dont think the factor is to do with how long it spins, but the "Torgue and/or G Force....Also the % for the Kelvinator was not much different to the Harmoney, saying it was half the revs & time...

Most fast spinning Euro washers average 44% for a 1600rpm machine, Miele at 1800 is 43% and Gorenje at 2,000rpm is 42%, The MaytagAsko I have is 1600 at 44% but that spins for 9 mins continuously, but only 2 mins at max:
0 - 1 min 600
1 - 5 mins 1200
5 - 7 mins 1400
7 - 9 mins 1600

I`'m no mathmatician or physicist, but is it also to do with "Torque and G Force???..For instance some machines seem to speed up slowly and smoothly to gain top speed , particularly induction motors, but others with bigger motors power surge up to the speed very quickly, the MaytagAsko really powers up to the next spin phase and I`m sure its this "surge" and "Shift of Energy" that drives more water out...or I could have had to much coffee!!!

Cheers, Mike

p.s. Robert your Washer Fame is Ledgendary, you`ve got your own programme named after you!!!....LOl
 
Hi Mike, this is all so fun and very interesting. I have to admit I much prefer using your Residual Moisture Content as a rating. It shows a bigger spread between the machines and it’s much easier to weigh the clothes dry than to try and get their weight with them dripping wet. Plus this is what Consumer Reports and Consumer Research Bulletin used in the 1940's so it's the way to go for sure.

I was going to ask you Euro boys today what the ratings are for the some of the machines on the other side of the pond, so thanks for reading my mind and providing that Mike.
Most fast spinning Euro washers average 44% for a 1600rpm machine.

Now here is my question: do we know have any idea what type of fabrics they were using to measure and come up with 44%? The reason I am asking is because in April 1948 Consumer Reports found that the Unimatic scored 41% and the General Electric scored 36%. Then in June of 1948 Consumer Research Bulletin found that the Unimatic scored 51% and the GE scored 46%. Now obviously the machines didn't change so the only variable left is the type of fabrics they used for these different tests.

My tests find the GE Scored 60% and the Unimatic 66%, but this was done with heavyweight towels. What would happen if I run a few tests with 7lbs of standard men’s long sleeve shirts? I will try this in both the Bendix and the GE because these are on both ends of the spectrum and let’s sees what the residual moisture content rating comes out to.

By the way I love my very own cycle <blush>, but I'm sure long at 63 minutes!
 

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