Cutting Plastic
#1
I don't buy Kool-Aid
Thread Starter
![Question](https://www.rx8club.com/images/icons/icon5.gif)
Anyone know of a good knife or saw that will cut the plastic splash gard?
I don't have any knifes aside from the ones I cook with. I need to cut some stuff off the splash gard and cut the black plastic on the rear bumper.
Thanks,
-Gil
I don't have any knifes aside from the ones I cook with. I need to cut some stuff off the splash gard and cut the black plastic on the rear bumper.
Thanks,
-Gil
#7
You might also consider micro saws made for model building, depending on how much you are trying to cut. You can get a little saw for about 8 bucks at model supply places like Hobby Town that are great for small detail cuts.
#12
I don't buy Kool-Aid
Thread Starter
Front off
![](http://img214.imageshack.us/img214/3405/p8220794xf2.jpg)
Anyone know what this gos to? Fog light? Right
![](http://img214.imageshack.us/img214/2300/p8220775qt5.jpg)
Left
![](http://img390.imageshack.us/img390/8873/p8220778xx3.jpg)
Not as hard as I thought it would be?
![](http://img340.imageshack.us/img340/8872/p8220780de9.jpg)
Befor
![](http://img214.imageshack.us/img214/8771/p8220782il3.jpg)
After
![](http://img187.imageshack.us/img187/9697/p8220795ne3.jpg)
Hmmm
![](http://img390.imageshack.us/img390/1055/p8220783fi4.jpg)
Or?
![](http://img390.imageshack.us/img390/9164/p8220790pq1.jpg)
![](http://img214.imageshack.us/img214/764/p8220791zi0.jpg)
I'll be moding the vents on this peace of plastic
![](http://img390.imageshack.us/img390/7599/p8220811jg3.jpg)
The back will be vented as well
![](http://img390.imageshack.us/img390/2293/p8220810rf2.jpg)
Made my own vent screens. What do you guys think? Theyre still in the works and need more paint. It was getting late and I dont have lights except for whats out side the house but they suck. I did not have time make the cuts for the vents on the pastic under the front wheel wells.
![](http://img390.imageshack.us/img390/908/p8220800zi1.jpg)
![](http://img214.imageshack.us/img214/9710/p8220799mb9.jpg)
![](http://img187.imageshack.us/img187/6880/p8220801wi5.jpg)
I'm still working on the screens. They will fill all the openings in the front.
![](http://img214.imageshack.us/img214/3405/p8220794xf2.jpg)
Anyone know what this gos to? Fog light? Right
![](http://img214.imageshack.us/img214/2300/p8220775qt5.jpg)
Left
![](http://img390.imageshack.us/img390/8873/p8220778xx3.jpg)
Not as hard as I thought it would be?
![](http://img340.imageshack.us/img340/8872/p8220780de9.jpg)
Befor
![](http://img214.imageshack.us/img214/8771/p8220782il3.jpg)
After
![](http://img187.imageshack.us/img187/9697/p8220795ne3.jpg)
Hmmm
![](http://img390.imageshack.us/img390/1055/p8220783fi4.jpg)
Or?
![](http://img390.imageshack.us/img390/9164/p8220790pq1.jpg)
![](http://img214.imageshack.us/img214/764/p8220791zi0.jpg)
I'll be moding the vents on this peace of plastic
![](http://img390.imageshack.us/img390/7599/p8220811jg3.jpg)
The back will be vented as well
![](http://img390.imageshack.us/img390/2293/p8220810rf2.jpg)
Made my own vent screens. What do you guys think? Theyre still in the works and need more paint. It was getting late and I dont have lights except for whats out side the house but they suck. I did not have time make the cuts for the vents on the pastic under the front wheel wells.
![](http://img390.imageshack.us/img390/908/p8220800zi1.jpg)
![](http://img214.imageshack.us/img214/9710/p8220799mb9.jpg)
![](http://img187.imageshack.us/img187/6880/p8220801wi5.jpg)
I'm still working on the screens. They will fill all the openings in the front.
Last edited by DOMINION; 08-23-2007 at 12:02 AM.
#17
Lubricious
Join Date: Oct 2003
Location: SF Bay Area, California
Posts: 3,425
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Made my own vent screens. What do you guys think? Theyre still in the works and need more paint. It was getting late and I dont have lights except for whats out side the house but they suck. I did not have time make the cuts for the vents on the pastic under the front wheel wells.
- the percentage of "open area"
- the size of the holes
- plenty of other factors, of course (smoothness, thickness, etc)
Turbulence reduces airflow. Smaller holes generate vastly more small-scale turbulence, preventing laminar flow. To get a feel for the effects, take a 1 square foot piece of your mesh and hold at arms length out the window at highway speed.
I can't give you any hard numbers. For my screens I chose a steel mesh with openings 1/2 inch on a side. My idea was to keep the openings as large as possible while still stopping anything large enough to do damage.
![](https://www.rx8club.com/attachments/series-i-do-yourself-forum-73/16956-diy-oil-cooler-opening-mesh-grille-replacement-lowergrille.jpg)
Again, the issue is complex. But I choose to err on the side of caution; the oil coolers are very important for this car.
Btw, for cutting rough holes in plastic or other sheet materials, a Dremel with a spiral bit and router attachment makes quick work. And you can use it to carve a pumpkin in about 10 seconds!
Last edited by Nubo; 08-23-2007 at 01:12 PM.
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