This is a nice way to cool a wing reflector lol

So i ordered this cheap little fan on ebay for $6.79 (from china)

http://www.ebay.com/itm/Portable-Mini-Super-Mute-PC-USB-Cooler-Cooling-Desk-Fan-/251058116163?pt=US_Laptop_Cooling_Pads&hash=item3a743ad643

its usb powered (i have it plugged into a usb phone charger adapter)

anyways, i received it today and planned to keep it on my desk, however i found out it makes an excellent
wing-reflector fan it fits so perfectly that you would think it was made for cooling my reflector.

Here it is on my 400w wing



Isnt it weird how nothing has to hold it up there... its just kinda goes there, and it keeps the wing cool to
touch, i can hold my hand on there for hours without it feeling hot... same with my hand 8 inches from the bulb.

These fans will fit like that on the wing reflectors that come with the HPS systems from Gotham Hydro.

Nothing else is needed to hang it, just flip the fan upside down and put the leg over the tab where you
connect your rope ratchet / yoyo or whatever you use to hang your reflector.

Nice idea!

I figured it out when i was looking for a way to keep the wing cool while i wait on my cool tube to be shipped.

thought someone else might do it if they use the wing reflector from gotham hydro... or one very similar
since it really is a cheap and efficient method of keeping the ridiculous temps down (provided you have an exhaust fan of course)

great post. never thought of that, I just put the fan under blowing up, onto the bulb, ty for posting, never wanted to mess with cool tubes with veg we have enough of those flexible tubes running all over,

kinddiesel said:

great post. never thought of that, I just put the fan under blowing up, onto the bulb, ty for posting, never wanted to mess with cool tubes with veg we have enough of those flexible tubes running all over,

Click to expand...

i tried that first, the fan on the floor blowing up at the light... but with this fan being so small (5-6 inches) i thought to put it closer to the light and just so happens
the reflector its self will hold it up there and gives more floor space in return.

and i must say i wish i would have bought that fan sooner... $6.79 is an unbeatable price to have an efficiently cooled wing.

the fan is metal, metal grill, metal blades, metal legs... plugs into the wall with any 5v usb adapter for a phone charger, and i believe it uses a LOT less electricity as well.

great if you want the fan to appear as if its built specifically to cool your light.

How is the velocity of the fan? I've seen some like that bt they didn't push much air.k

adower said:

How is the velocity of the fan? I've seen some like that bt they didn't push much air.k

Click to expand...

its pretty good actually... i have another fan similar to this one that i also got on ebay but its plastic and it absolutely SUCKS!!!

this one dropped my temps about 5-6 degrees, also some of the air blown from the fan blows UNDER the bulb and muffles
the hot spots from the reflector so it doesnt cook your plants AND helps with keep the breeze going in the tent... i thought of that as a small bonus

You mean Like this ,I have been running the same concept with great results for a while now 400w homade reflector,but use CPU fan,that all it takes, Ive been trying to tell people you dont need all that crazy amount of cfm to cool lights ,hey but what do I know ,only 30 plus yrs in the HVAC bus.

Decs said:

its pretty good actually... i have another fan similar to this one that i also got on ebay but its plastic and it absolutely SUCKS!!!

this one dropped my temps about 5-6 degrees, also some of the air blown from the fan blows UNDER the bulb and muffles
the hot spots from the reflector so it doesnt cook your plants AND helps with keep the breeze going in the tent... i thought of that as a small bonus

Click to expand...

One of these lowered room temp 6 deg??

yes, pretty much.

basically what it does is it blows air across the bulb, above it, under it, and on the sides of it... when the air passes the bulb
and hits the other side of the tent, the air spreads (like a drop of water hitting a body of water makes a circle in the water)
when it spreads out after hitting the side of the tent some of the air goes upward (this being the hottest air) and once it goes
upward the exhaust fan in the top of the tent will catch it and blow it out of the tent.

OR, if you have really good negative pressure in your tent from your exhaust, MOST of the hot air will travel upwards without hitting the other side of the tent at all. (this way is even better)

They have those same fans at Wallymart for a mere $6.97,I have four of them

B166ER420 said:

They have those same fans at Wallymart for a mere $6.97,I have four of themView attachment 2661227View attachment 2661228

Click to expand...

works pretty well doesnt it?

Not good enough in that particular applicationbut for $7 bucks they're really convenient

B166ER420 said:

Not good enough in that particular applicationbut for $7 bucks they're really convenient

Click to expand...

lol i should have noticed thats an 8 bulb setup lol... but thats what i thought too, really convenient.

the way mines setup it works well, although i ordered a cool tube before i figured it out so ill probably setup another tent for veg and use the wing+fan in there.

Decs said:

yes, pretty much.

basically what it does is it blows air across the bulb, above it, under it, and on the sides of it... when the air passes the bulb
and hits the other side of the tent, the air spreads (like a drop of water hitting a body of water makes a circle in the water)
when it spreads out after hitting the side of the tent some of the air goes upward (this being the hottest air) and once it goes
upward the exhaust fan in the top of the tent will catch it and blow it out of the tent.

Click to expand...

That is excactly correct. this is how air moves , Now the other thing you did rite was to move the air slowly (small fan) across the bulb

People think the faster they can move the air the better it will cool " NOT"

and the grow stores are Yea bigger better CHA CHING,

The slower you move air across a heat load it will have more time to absorb the heat

when air is moved to quickly across a heat load 2 things happen 1) humidity rise ,2) air pressure rise ,

So what does this mean: Higher humidity in ambient air has a lower absorbtion rate / Pressure and tempeture go hand & hand = pressure rise temp rise.

these are just some factors that play a part when using the theroy of removing heat witch is known as (british thermol Units ) BTU rating and calculating.

jrainman said:

That is excactly correct. this is how air moves , Now the other thing you did rite was to move the air slowly (small fan) across the bulb

People think the faster they can move the air the better it will cool " NOT"

and the grow stores are Yea bigger better CHA CHING,

The slower you move air across a heat load it will have more time to absorb the heat

when air is moved to quickly across a heat load 2 things happen 1) humidity rise ,2) air pressure rise ,

So what does this mean: Higher humidity in ambient air has a lower absorbtion rate / Pressure and tempeture go hand & hand = pressure rise temp rise.

these are just some factors that play a part when using the theroy of removing heat witch is known as (british thermol Units ) BTU rating and calculating.

Click to expand...

that was a great post!!! finally someone (besides me) who realized the actual science behind this.

my conclusion is, air is a thing of its own and is not related to growing marijuana... although it is needed to grow marijuana
the actual science of air is still its own subject... that being said, people should probably research air movement on its own
and not specifically air movement in a marijuana growing setups.

so while people probably spend hundreds of dollars buying things to cool their grow area, i spent $6.79.

(although like i said, i was pushed to buy a cool tube by some of the members here at RIU before i figured all this out)

NO ONE, needs to spend hundreds cooling their area unless its literally cooking the plants... just need to do your homework
and youll find out all the extra's arent really needed to run a nice, cool, and efficient setup.