Bejon A. Boranian Posted February 29 Author Share Posted February 29 ...Video attempt: Shown running, Surprisingly, it has 3 speeds. Uses a BLDC motor, similar to CPU fans. These motors do not tolerate voltage loss very well. Loss of voltage or unstable power causes fan to default to "off" Or it goes to a lower speed. Or in rare cases, it may increase past its MAX speed. 😐 😨 ... My older DC motor fans are better. 😎 VID_20240229_155823.3gp Quote Link to comment Share on other sites More sharing options...
Jim Kovar Posted March 1 Share Posted March 1 On 4/7/2022 at 11:39 PM, Bejon A. Boranian said: Collecting Battery Fans... The battery fan I'd like to find... Quote Link to comment Share on other sites More sharing options...
Bejon A. Boranian Posted March 14 Author Share Posted March 14 On 2/29/2024 at 6:59 PM, Jim Kovar said: The battery fan I'd like to find... ...I have gathered many armature and wiring/ metal salvage that will one day make beautiful fans (like or similar) to this a reality.. ...Just in miniature. ... ... I have, to date, only made one working Open-motor that was given away many years ago. I remember having to align the brush assembly just right, the blue sparks were mesmerizing... 😎 (Motor ran so smoothly, originally built it during my crazy miniature vacuum days to power a mini vacuum I tried making) ...I stopped assembly at the vacuum bag, as no matter how hard I tried I could not learn how to sew my own mini vacuum bags- 😵 Quote Link to comment Share on other sites More sharing options...
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