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Blow hole idea...

S

Shlomo

2[H]4U
Joined
Oct 8, 2006
Messages
2,969
So I was thinking about the best, mostly no-hassle way of putting in a blowhole (or 2, preperation for a 2x120 rad later on) with me not having a jigsaw, or a steady hand.

So the tools I have to use, dremel with all assortments of cutting wheels, buffing wheels, sanders, the whole shebang.. and a drill.

Well I came up with this idea, i'd trace the fan and where the screw mounts are onto some masking tape ontop of the case, and then mark out a bunch of dots where I would drill through. I would end up with a ultra-swiss cheese like top with plenty of holes for the out-take, and the case would act also as a grill for the fans. Anyone made a blow hole like this? Just drill the 4 screw holes and a bunch of small holes for the air flow.

Later on, (like.. 5 months at the very least) for the rad, I would just dremel out a rectangle and place a radgrill on top, but I don't need to do that right now.
 
Sounds like a good idea if just modified a little bit...

With the swiss cheese part don't go outside/get close to the fan circle. That way when you get your rad, you can do two things. First use a hole saw (hopefully you will have one by then) to cut the holes for the fans to make them clean and second just plop down the rad right on top of the fans. Not too much more work, and if you dont like the idea you can always cut your rectangle for the rad.
 
I totally forgot about the hole saws, I have a bunch sitting in the garage, i'll have to recheck to see if I have one 120mm in diameter though hehe.
 
use a nibbler. you will look like popeye after using itbut its easy to work with and doesnt require the percision of the dremel or jigsaw and you will be left with a cleaner cut than if you did your drilling method
 
I've tried the swiss cheese approach before, and it's very difficult to make it look good unless you've got a good drill press and a very good jig. The problem is that you'll have some small variation in the spacing of the holes, and it'll look terrible. Well, at least, it looked terrible when I tried it...
 
If you have the hole saw thats good, but then your going to need a grill over the top of your case. I would cut the grill into the case. Tape up your top, mark the fan, and cut it so you have an X of metal remaining, or a * so you still have something of a grill, its easy to cut, and when you want to remove it latter there is little to cut. just my opinion, good luck.
 
You can also just drop in your own screen--you can get perforated aluminum at Lowes. That's expensive, though. Another, very very cheap option is to use aluminum window screen. Like the kind used for a screen door. If you mount it right, it actually looks really nice, and for all intents and purposes does not affect airflow at all.

And it comes in both the natural silver and painted black, both of which look just fine.

 
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