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Post by Deleted on Feb 19, 2015 19:43:48 GMT -5
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Post by JW on Feb 20, 2015 0:06:07 GMT -5
Good to see you finally found a Mosswhatevermaster spinner with a slow reverse. You may recall me posting about the seven spinners (vented motors, regular looking cane blades) that used to be at the church camp that all ran slower on high reverse than on low forward. I've also seen a 36" spinner (again, traditional) that ran at least as fast as a Ju Feng on forward and barely had the speeds of a 52" on reverse.
I stand by my theory that they intentionally made them this way to avoid drafts instead of suggesting to just run them on low.
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Post by Deleted on Feb 20, 2015 0:31:08 GMT -5
The reverse winding is also the aux winding when in forward. It would be a lot more involved to design a motor with a deliberately slow reverse if it did not already require that size aux winding in forward.
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Post by Adam D. on Feb 20, 2015 2:12:46 GMT -5
Those KC52/MC52 SMC ceiling fans aren't related to the 24K Laguna you have.. Notice the rings on the motor, much different motor design, maybe same eternally and have the same parts as Lagunas but it's a totally different model.. Unless you have one with a switch housing with this motor design and model I never saw.. Basically a 4 version of the M48 model, and these are probably one of most fastest fans I've ever seen.. I don't know why some of them have metal canopies and some with plastic.. that's funny my mother and fathers friends that has one of these has a variable speed control with slight notches, similar to some retro stereo receiver volume controls, and fan was silent.. The 24K SMC was installed in their house as far back as I can remember, and their kids are grown up and moved out long ago, and time I was in that house last was in 2006, the fan was still there..
LOVE that little Codep, and those other neat ones.. I'm sure that bell canopy is not originally with that new Emerson.. Just looking at the video thumbs on those...
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Post by JW on Feb 20, 2015 8:08:10 GMT -5
The reverse winding is also the aux winding when in forward. It would be a lot more involved to design a motor with a deliberately slow reverse if it did not already require that size aux winding in forward. Might be a stupid question, but what is the purpose of an aux winding?
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Post by Deleted on Feb 20, 2015 11:58:38 GMT -5
I stick bell canopies on ball socket fans, sometimes, when I test them on a j hook.
The aux winding is what we would typically call the "start" winding (the main winding being "run), but that's not actually correct since it is in the circuit constantly. I've also seen them called "primary" and "secondary". "Main" and "auxillary" are the correct terms.
Copied and pasted from Wikipedia:
"Another variation is the permanent-split capacitor (PSC) motor (also known as a capacitor start and run motor).[20] This motor operates similarly to the capacitor-start motor described above, but there is no centrifugal starting switch,[20] and what correspond to the "start" windings (second windings) are permanently connected to the power source (through a run capacitor), along with the run windings.[20] PSC motors are frequently used in air handlers, blowers, and fans (including ceiling fans) and other cases where variable speeds are desired.
"A capacitor that ranges from 1 to 100 [microfarad]s is connected in series with the start (auxiliary) winding and remains in the circuit during the entire run cycle.[20] The start and run windings are identical in a reversible motor,[20] and reverse motion can be achieved by reversing the wiring of the 2 windings,[20] causing the other winding to be connected through the capacitor, and therefore act as the "start" winding. Non-reversible motors have smaller, thinner start windings, similar to non-reversible split phase motors. By changing taps on the running winding but keeping the load constant, the motor can be made to run at different speeds."
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Post by Deleted on Feb 24, 2015 1:38:42 GMT -5
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Post by Deleted on Feb 25, 2015 2:06:58 GMT -5
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Post by Deleted on Feb 27, 2015 4:48:36 GMT -5
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Post by Deleted on Mar 3, 2015 3:34:57 GMT -5
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Post by Adam D. on Mar 3, 2015 3:44:06 GMT -5
Love the SMC A52.. Would like to find one of those with that beehive canopy..
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Post by Adam D. on Mar 3, 2015 22:51:53 GMT -5
I forgot to mention the light kits in the middle after the blenderfan look like those old florescent fixtures I really like.. But it's hard to tell seeing how your phone cam tends to wash the fixtures out almost completely..
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Post by Deleted on Mar 4, 2015 0:14:47 GMT -5
There are pictures of them in the fluorescent light forum where you can see them clearly.
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Post by Deleted on Mar 4, 2015 13:18:40 GMT -5
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Post by Deleted on Mar 6, 2015 14:53:01 GMT -5
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