Thread Number: 32655
/ Tag: 50s/60s/70s Vacuum Cleaners
one or two stage motors |
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Post# 357927 , Reply# 1   8/18/2016 at 15:43 (2,778 days old) by vacerator (Macomb Michigan)   |   | |
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were two stage fans. I light of lower cost motors, extra windings were added for more speed on single fan motors above 11 amps draw to compensate. They were noisier. Then came sound insulation, and then canted blade vortex fans, which do move a lot of air. |
Post# 357936 , Reply# 2   8/18/2016 at 19:53 (2,778 days old) by suckolux (Yuba City, CA)   |   | |
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Post# 357961 , Reply# 4   8/19/2016 at 11:34 (2,777 days old) by dysonman1 (the county)   |   | |
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Single fan motors were used by Sears and Eureka, starting in the very early 1960's. Lamb made them for the 'cheaper' models, such as Eureka's new "princess" line. These single fan motors ran much faster, resulting in shorter lift as compared to slower running twin-fan models. Whirlpool jumped on the single fan motor bandwagon for the cheapest Kenmore models as well.
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