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Westinghouse Gyro Question  Rate Topic 
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 Posted: Wed Dec 6th, 2017 06:49 pm
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Greg Rodocker
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See the arrows below. In any of the photos I have reviewed on the forums and main page it appears there should be 2 screws/bolts in these areas. In the picture below it looks like something was cut off or welded closed on the left arrow. The right arrow has a cut off bolt - when removed there is a spring/tensioner underneath? Any input is appreciated. Thanks Greg










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 Posted: Wed Dec 6th, 2017 07:03 pm
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Stephen Sanders
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That is the brush holder for the slip ring

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 Posted: Thu Dec 7th, 2017 05:12 pm
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Greg Rodocker
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In this photo below I copied from Kim Frank's restoration thread http://www.afcaforum.com/view_topic.php?id=18217&forum_id=1&highlight=gyro can you tell me what are the slip rings? Bottom left. Middle left, top left? My apologies for my ignorance as I have not torn the fan apart yet.

Thanks in advanced
Greg 




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 Posted: Thu Dec 7th, 2017 06:23 pm
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Don Tener
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If I am correct In your pic the red arrows point to the slip ring and the green arrows point to the piece that holds the brushes above it. I have never had one apart but that is my guess. They just have the slip ring facing down so you cannot see the brass rings that the brushes make contact with.




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 Posted: Sun Dec 10th, 2017 10:10 pm
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Greg Rodocker
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Stephen and Don-
Thanks 

Greg

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 Posted: Mon Dec 11th, 2017 12:44 pm
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Kim Frank
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Looks like you need a set of brush caps...Here's the underneath view of a pedestal gyro we cobbled together last year........

Attached Image (viewed 91 times):

153.JPG

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 Posted: Mon Dec 11th, 2017 06:42 pm
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Greg Rodocker
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Kim- Thanks

I was contacted by someone through PM who told me his looked the same as mine and it did NOT affect it's performance. So excuse my ignorance but what is the purpose of the brushes/brush caps in this fan? I understand the purpose in a DC or AC/DC fan. Is it to ensure equal/smooth electricity distribution while oscillating? Or?

Thanks.

Gre

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 Posted: Mon Dec 11th, 2017 06:51 pm
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Austin Ko
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Greg Rodocker wrote: Kim- Thanks

I was contacted by someone through PM who told me his looked the same as mine and it did NOT affect it's performance. So excuse my ignorance but what is the purpose of the brushes/brush caps in this fan? I understand the purpose in a DC or AC/DC fan. Is it to ensure equal/smooth electricity distribution while oscillating? Or?

Thanks.

Gre
It allows the fan to spin a full circle constantly. If you had wires going to the fan with no slip ring/brush assembly the wires would become twisted and break. Fans such as vane oscillators and the roller coaster fan also use slip rings to provide current to the motor. 

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 Posted: Mon Dec 11th, 2017 10:08 pm
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Greg Rodocker
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Austin- thanks. I figured as much but ... when you assume!!

Greg

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