Thread Number: 73744  /  Tag: Modern Automatic Washers
Impellar machines vs Agi-tubs
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Post# 974037   12/16/2017 at 14:28 by chetlaham (United States)        

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I have been thinking a lot about the new Speed Queen design change. I have also been watching every video I could find of impeller machines and every video of agi tubs. In all honesty, both appear sucky in the face of a long stroke agitator- however the impeller version does a better job and at times is more dramatic. See my point proven here; starting at 3:00:

While the following would be a major gamble in the commercial laundry sector, this is what I would have done for the homeline machines:

Switch to a 1/3 HP 3 wire permanent split capacitor motor. Use of mod shiftier, where a solenoid would activate (engage) the sifter for spin, and have it also loosen a brake band (or swivel arm friction-pad) which normally loops around a spin (brake) drum attached around the tub shaft. Heck even a Wards brake contraption might do it. Impeller shaft would go straight to the motor pulley. If Whirlpool can do their splutch in plastic while getting good results, I'm sure Speed Queen can do theirs in aluminum or steel.

This design has the advantage that it can be driven by a timer- motor would reverse every 30 seconds to 1 minute for wash and rinse. On the normal eco a second pressure switch would be used, possibly in conjunction with a timed fill that would allow for brief 2 second SIS spins to get all the clothes wet during fill. The impeller would allow for very low water while a spin spray would do the rinsing. Normal cycle would fill to the top and work much like the space maker Hitachi pictured above.

While this is not ideal in many regards, IMO it would be better in terms of clean-ability while giving the customer a timer, no lid lock and a quick cycle times.

What backs this up for me is that it was and still is done all over the world in Japan Asia, China and South America. Washers use a PSC driven impeller along with a splutch. Impeller over agitator in that it allows the removal of the planetary gears and the motor doesn't have to reverse every 1/5 of a second.

Post# 974039 , Reply# 1   12/16/2017 at 14:33 by chetlaham (United States)        
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Via a 3rd (second) cold water solenoid over to a dispenser.

Post# 974056 , Reply# 2   12/16/2017 at 16:05 by Gyrafoam (Roanoke, VA)        

The Frigidaire Syncro-Swing mechanism was a very effective agi-tub, so it can be done well. At the time their machines were marketed they were unusual. If you get a chance to see one in action you will be impressed. Especially effective over-flow rinse.

Post# 974058 , Reply# 3   12/16/2017 at 16:06 by chetlaham (United States)        

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But how would you copy that to a Queen, that us much bigger?

Post# 974394 , Reply# 4   12/18/2017 at 06:53 by Gyrafoam (Roanoke, VA)        

Well, I know of at least one person here who was thinking they would adapt it to an up-dated 1-18! That would have been marvel!

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