'SG - Ah yes, I've heard it's very clean'

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JR8
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'SG - Ah yes, I've heard it's very clean'

Post by JR8 » Sun, 07 Sep 2014 10:25 pm

Cleaning my desktop fan today:

Before:
Image


After:
Image


:o

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zzm9980
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Post by zzm9980 » Sun, 07 Sep 2014 11:28 pm

All this proves is that certain foreigners in SG need to clean their fans more often :cool:

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rajagainstthemachine
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Post by rajagainstthemachine » Sun, 07 Sep 2014 11:42 pm

I will post my fan dirt soon, lets see what it brings up.
To get there early is on time and showing up on time is late

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Post by nakatago » Mon, 08 Sep 2014 7:26 am

I do know that if your fan in Singapore is dirty, there will be no wind AT ALL. I don't know if fans in Singapore are too light and the blades are weighed down by the dust or if the dust has aerodynamics that prevent a fan from blowing wind.

I've used dirty fans in much more polluted Philippines and never experienced the same phenomena. :???:
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Post by JR8 » Mon, 08 Sep 2014 7:46 am

nakatago wrote:I do know that if your fan in Singapore is dirty, there will be no wind AT ALL. I don't know if fans in Singapore are too light and the blades are weighed down by the dust or if the dust has aerodynamics that prevent a fan from blowing wind.

I've used dirty fans in much more polluted Philippines and never experienced the same phenomena. :???:
This is an interesting phenomenon, and it struck me too. Before I cleaned the fan on some days I'd be sitting working and still have sweat running off me. I didn't think much of, as the dust build-up on the fan happened slowly and progressively. So instead I'd sit here and just think 'Jeez it's hot today...or, jeez it's been a hot week... jeez, is this hot season or something? etc.

Then I noticed the fan, that sits behind me, was pretty clogged up, so I cleaned it as illustrated. The amount of dark 'gunky crap' that resulted was really surprising. But the real shock is that now the fan feels so powerful, that rather than leave it on all afternoon, now if it's on more than 10 minutes I feel cold. When I switched it back on the first time I had a 'Wow! Airflow!! moment' so striking was the difference.

I can only surmise that the dust clogs the grill-holes, and seems sticky enough that the blades can't blow it away. When dirty the blades seem to turn at the same speed (motor noise pitch sounds the same) but the air has no efficient route out...

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Strong Eagle
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Post by Strong Eagle » Mon, 08 Sep 2014 8:30 am

Physics lesson... as a fan blade rotates, there is a layer of molecules of air, one or two molecules thick, that stick to the fan blades... just a viscous water climbs the side of a jar, so does air stick to a fan blade.

And those static air molecules permit a place for dust to land... and stick... the beginning of your failure to be a good housekeeper.

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Post by nakatago » Mon, 08 Sep 2014 9:03 am

Strong Eagle wrote:Physics lesson... as a fan blade rotates, there is a layer of molecules of air, one or two molecules thick, that stick to the fan blades... just a viscous water climbs the side of a jar, so does air stick to a fan blade.

And those static air molecules permit a place for dust to land... and stick... the beginning of your failure to be a good housekeeper.
Yeah, but it would at least blow even just a little air--this is my experience with other fans outside Singapore. But in Singapore, the fans just don't blow any wind. I don't know if it's the blades, the quality of dust or the quality of air.
"A quokka is what would happen if there was an anime about kangaroos."

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Post by Wd40 » Mon, 08 Sep 2014 9:11 am

Reminds me, need to clean our wall fans

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rajagainstthemachine
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Post by rajagainstthemachine » Mon, 08 Sep 2014 9:12 am

Are you getting good blow jobs now ? :cool:
To get there early is on time and showing up on time is late

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