this post was submitted on 19 May 2025
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I have a shop fan on my porch that I leave on 24/7 when it’s humid out. It has three speeds. The lowest speed is rather noisy. 

If I don’t run it, humidity condenses on the front door. Then mosquitoes are attracted to the moist door. And this leads to them sometimes entering the house.

I bought this ($19), so I can dial the lowest speed even lower to the exact point the noise is low enough but the wind is fast enough.

It was just a thought that occurred to me since it’s electric, could it not be run at a different speed if the input electricity was changed?

Yes, it can. Works beautifully.

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[–] snausagesinablanket@lemmy.world 12 points 1 month ago (2 children)

I think you can hook these up to 120v vibrators as well.

[–] Zachariah@lemmy.world 14 points 1 month ago (1 children)

I feel like this is the second woodworking comment in here so far.

[–] Endymion_Mallorn@kbin.melroy.org 13 points 1 month ago

Boy, I hope so. Because the alternative interpretation sounds painful.

[–] Rai@lemmy.dbzer0.com 4 points 1 month ago

It’s PERFECT for wired Magic Wands

[–] wjrii@lemmy.world 11 points 1 month ago (2 children)

Also useful if your (woodworking) router needs to run slower.

[–] Zachariah@lemmy.world 12 points 1 month ago (1 children)

I’ll have to look for a different solution for rate-limiting my internet then.

[–] actionjbone@sh.itjust.works 5 points 1 month ago (1 children)

You'll need a digital unit for that.

The one pictured is analog.

[–] Zachariah@lemmy.world 4 points 1 month ago

Oh, so it’ll work on my analog internet connection? Great!

[–] Rai@lemmy.dbzer0.com 5 points 1 month ago

Or if you want to make your wired Magic Wand adjustable!

[–] clay_pidgin@sh.itjust.works 6 points 1 month ago (1 children)

Might not be good for it long term, I've heard.

[–] acockworkorange@mander.xyz 9 points 1 month ago (3 children)

That's correct. Fan motors rely on the fan to cool themselves. At lower speeds they suffer from increased thermal degradation of the winding insulation.

[–] HootinNHollerin@lemmy.dbzer0.com 14 points 1 month ago (1 children)
[–] Rai@lemmy.dbzer0.com 3 points 1 month ago (1 children)

I feel like this gif is flipped horizontally

[–] Zachariah@lemmy.world 4 points 1 month ago (1 children)

Just look at it from the other side of your phone.

[–] Rai@lemmy.dbzer0.com 2 points 1 month ago
[–] ikidd@lemmy.world 3 points 1 month ago

Korean fan death.

[–] Zachariah@lemmy.world 3 points 1 month ago* (last edited 1 month ago) (1 children)

I was wondering what effect I could have on the fan. Any links you recommend to find out more about this?

There still a significant amount of air moving through it, so I wonder if I’m still good.

[–] acockworkorange@mander.xyz 3 points 1 month ago* (last edited 1 month ago) (1 children)

Most likely it will just shorten the lifespan of your motor. It'll last 6 years instead of 9. Not that big a deal. When it goes, it'll be time for you to get a silent one.

These things are usually made with a fair amount of safety margin. It's not like you're operating under harsh conditions. The only thing is the 24/7 operation. But if it didn't get too hot around (long hours above 110 F), it shouldn't be too bad.

[–] Zachariah@lemmy.world 3 points 1 month ago (1 children)

Very rarely above 100°F here. But almost always high humidity. I’ve run it around the clock for six months of the year for a decade. If it dies from this, I’ll be a bit bummed but I’ve definitely got my money’s worth.

[–] raltoid@lemmy.world 2 points 1 month ago* (last edited 1 month ago)

As someone who also runs a fan 24/7 during certain times of year: You might want to open it up and check the wiring.

One model I had once started overheating from gunk in the almost open wheelbearing. The power cable was routed on top of, and pressed against the metal motor casing and it started melting.