What tool to cut circles with ???

Yes, Jasper jig is calibrated to work only with 1/4" router bits. It will obviously work with others, except you'd have to change all the dimensions.

 
the Jasper Circle jig works the best.....
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U have my router!!!! Skil ftmfw!

 
1/2" is overkill. You have to remove more material, which puts more stress on the router. Still works, but would be easier with 1/4".
I couldn't find a 1/4" plunge/straight bit with 1/2" shank. So had to make due.

And I guess that explains the random kicking it was doing.

 
I've used a circ saw (skill saw) to cut circles before. Nothing as tight as a 10" diameter, though. You have to set the blade no more than half way deep for the first pass, then all the way through on the second. The width of the cut ends up being wider than the kerf of your blade, so keep that in mind depending on if you want to keep the outside of the cut(for a hole cutout) or the inside of the cut(for like an outside radius). Also, they just came out with a special radius cut circ saw blade, but I've never tried it. Still, for speaker installs, I wouldn't recomend it. A router or jig is much easier and more precise.
How did this happen. I just cant picture it.

You need to post a video of you cutting even a 15" diameter hole with a circular saw. You do realize we're talking about the 7"+ variety, right?
Im gonna have to try it.

Circ saw, to cut circles. Serious?
I might try it.

I think they mean a ROTARY saw..... must be!
I posted that, thinking they were calling it the wrong name.

Maybe they can post a pic of what they are using, the circular saw???

 
U have my router!!!! Skil ftmfw!
Actually, ftmfl //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif . I owned one, two actually as the first one tapped out in a week. It just can't handle large jobs without ohat router is fairly shitty, sorry to break it to youverheating. If you arent doing much work with it, then yeah it's probably fine, but for the money, ryobi and hitachi make routers 10x better //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

 
I couldn't find a 1/4" plunge/straight bit with 1/2" shank. So had to make due.
And I guess that explains the random kicking it was doing.
Bro, if you're using that skil router, the collet can accept 1/4" bits easily. In fact, I'd almost say that 100% of all lowes type routers can do 1/4" bits, and only some can do 1/2".

 
Im hearing alot of good this about this jasper jig, but how do you use it. Do you nail it to the board and use it like a compass? Can someone post a vid? Also i'm leaning towards a skill 1-3/4hp fixed base router, is this good enough to cut through 1" mdf?

 
Im hearing alot of good this about this jasper jig, but how do you use it. Do you nail it to the board and use it like a compass? Can someone post a vid? Also i'm leaning towards a skill 1-3/4hp fixed base router, is this good enough to cut through 1" mdf?
First, you need a plunge base router, and no, that skil will sieze up long before you can cut through 1", unless you cut it on both sides. Either way, the way the jasper jig works is that you mount it to the bottom of your router, drill a 1/8" hole wherever you want the center of the circle to be, place a little stick through the jig in the appropriate hole, which then goes into the hole on the board, and cut away. It's simple as balls when you see it. The hardest part is mounting it to the router, which shouldn't take more than 30 seconds anyway.
 
I wanted a jasper jig when my router was functional but was too cheap and my 1/8" mdf jigs always worked out great and were free. My only problem was connecting the router to my jig. I would use the drywall screws and they would work unless the router didn't want to cut through the wood and then it would **** up. For the most part, the 2hp (maybe 3hp... I forget) craftsman router blazed through MDF.

Currently my jigsaw works while free-hand so I'll keep using it until I get a new router but I probably won't any time soon.

 
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