Comp case fan CFM

[DasPachy]

Does anyone know what CFM these typically flow? Or can estimate?

Also, how do you power (red, black, yellow 3-pin connector) them without having to use a motherboard and power supply?

DasPachy Reviewed by DasPachy on 10-05-2008. Comp case fan CFM Does anyone know what CFM these typically flow? Or can estimate? Also, how do you power (red, black, yellow 3-pin connector) them without having to use a motherboard and power supply? Rating: 5

[roundabout41]

It is impossible to give you an estimate just check newegg for example to find your fans spec. All you need to do to power your fans is to put a paper clip in the green and black colored wire on the connector that goes onto the motherboard.

[dooobster]

I think the CFM rating for most PC fans is somewhere between 50-80.

PC fans run on 12V DC, with a mA rating (milliamps) that varies from model to model.

Radio Shack sells variable adapters that can provide a variety of different voltages, from 6V DC up to 12V DC. They're used to replace lost adaptor plugs for radios, scanners, any kind of appliance that runs on batteries but can be plugged into a wall outlet as well. They cost about 20 bucks or so.... I buy them and cut off the end, then wire them up to the PC fan... Slide the switch over to 12V, plug 'er in, and voila. PC fan starts spinnin'.

[DasPachy]

I think the CFM rating for most PC fans is somewhere between 50-80.

PC fans run on 12V DC, with a mA rating (milliamps) that varies from model to model.

Radio Shack sells variable adapters that can provide a variety of different voltages, from 6V DC up to 12V DC. They're used to replace lost adaptor plugs for radios, scanners, any kind of appliance that runs on batteries but can be plugged into a wall outlet as well. They cost about 20 bucks or so.... I buy them and cut off the end, then wire them up to the PC fan... Slide the switch over to 12V, plug 'er in, and voila. PC fan starts spinnin'.

Hmmm, I guess that's why it blew up when I wired it to an extension cord hahaha. Live and learn I suppose. So I need to go to Radio Shack and ask for a 12V DC adapter?

[dooobster]

Hmmm, I guess that's why it blew up when I wired it to an extension cord hahaha. Live and learn I suppose. So I need to go to Radio Shack and ask for a 12V DC adapter?

Yep... Well, it's an AC adapter. It allows appliances that use 12VDC to be plugged into a wall socket which provides 110VAC..

Here's the one I get.

RadioShack.com - Power & Batteries: Home & office power: AC (Home) adapters: 3-12V Regulated 1000mA AC Adapter

:rastasmoke:

[DasPachy]

Once again Dooobster you have the answers I need :thumbsup:

Slightly off topic, but since you are such a reliable resource, if you're trying to LST in a 1'x1' footprint space how long of a veg time would you suggest (Northern Lights)? Space is 2.5ft tall.