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Has anyone else noticed that the fan basket fins appear to be bent the wrong way? I.E. for clockwise rotation the outer edges are turned into the direction of rotation.
I noticed this first on my Zephyr heater as it uses the same fan/motor and thought I'd 'improve' it by flattening and bending all the blades backwards by about 60deg so that the inner edge was scooping the air better. The demister now works...
Why would they design it so strangely I wondered and so checked out the patent number stamped in the base of the basket metal. https://www.freepatentsonline.com/2231062.pdf Looks more like a manufacturing economy than any consideration of how much air it could/does flow. As the fan is made by Torrington Mfg Co I'm guessing Smiths imported them from US and assembled in UK.
Am I obsessing again?
I noticed this first on my Zephyr heater as it uses the same fan/motor and thought I'd 'improve' it by flattening and bending all the blades backwards by about 60deg so that the inner edge was scooping the air better. The demister now works...
Why would they design it so strangely I wondered and so checked out the patent number stamped in the base of the basket metal. https://www.freepatentsonline.com/2231062.pdf Looks more like a manufacturing economy than any consideration of how much air it could/does flow. As the fan is made by Torrington Mfg Co I'm guessing Smiths imported them from US and assembled in UK.
Am I obsessing again?
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