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Posted on 7/14/26 at 12:03 pm to BottomlandBrew
quote:
How deep do you want to go to get the answer?
Alec is a beautiful, beautiful man
Posted on 7/14/26 at 12:09 pm to CAD703X
We have an awesome 70" eight-blade ceiling fan in our living room.
Oddly, setting 6 is the slowest setting, with 1 being the fastest.
We rarely need to go faster than 6.
Thing blows a shite-ton of air.
Oddly, setting 6 is the slowest setting, with 1 being the fastest.
We rarely need to go faster than 6.
Thing blows a shite-ton of air.
Posted on 7/14/26 at 12:15 pm to Joshjrn
quote:
In a nutshell, the motor on the low setting doesn't give enough juice to cleanly overcome inertia and get the fan going
The motor doesn’t give juice- it takes it. Whether it’s an old induction motor, or a brushless DC motor, a capacitor (or two) are installed to provide the juice needed for startup.
quote:
So, the fan needs to start at a higher setting to get going at anything resembling a decent pace.
This doesn’t make sense to me. It’s counterintuitive. Starting the fan motor at full speed would draw much more inrush current than starting it at low speed. I do agree that once started in high, it’s easier to reduce speed than it is to increase it from low. The cap would only fire on startup, vs firing each time you increase the speed of the motor. But I’d be curious to see the math. There’s probably a very negligible (if any) difference in power consumption.
I have installed more ceiling fans than I can count over the last 25+ years. It does seem like they all used to start in low. Some still do, but many don’t. It aggravates me too.
Posted on 7/14/26 at 1:05 pm to CAD703X
It's already been answered, but it takes more intertia to start the fan blades in motion than it does to keep them in motion. Also, for a box fan to blow air at a speed that is worthwhile, the blades have to spin pretty quick, even at the "low" setting
Posted on 7/14/26 at 1:13 pm to UptownJoeBrown
quote:
This is mildly interesting. Thank you.
Look up what a capacitor does in your HVAC unit
Posted on 7/14/26 at 1:29 pm to Joshjrn
quote:
I had this same question a few years ago and looked it up. In a nutshell, the motor on the low setting doesn't give enough juice to cleanly overcome inertia and get the fan going, but it does have enough juice to keep it going once moving. So, the fan needs to start at a higher setting to get going at anything resembling a decent pace
Interesting.
My grandparents had a fan like this that moved extremely slowly.
Posted on 7/14/26 at 2:14 pm to CAD703X
I have not changed the speed of my living room fan or bedroom fan a single time.
It stays on high or it’s off. I want it to push lots of air through the house
It stays on high or it’s off. I want it to push lots of air through the house
Posted on 7/14/26 at 5:33 pm to Joshjrn
Check the board, my man. You're on the clock
Posted on 7/14/26 at 5:34 pm to TigerGman
quote:
Check the board, my man. You're on the clock
1. I already responded to your post that was functionally identical to that.
2. Threads calling out posters by name are explicitly against the rules and get locked.
Why, exactly, would I waste my time?
Eta: I just realized that you linked to my post already in that thread. Reason #3 why it would make no sense to respond, you dweeb
This post was edited on 7/14/26 at 5:36 pm
Posted on 7/14/26 at 5:37 pm to CAD703X
Posted on 7/14/26 at 6:27 pm to CAD703X
You mean the speed sequence? Small fans do that as well. Guess the switch breaks at min resistance the fan still works.
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