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ugs92
07-04-2007, 04:31 PM
Okay today I took a ride up to HD today so I can start my build on a ported box for my 12" type r. I bought the wood and everything and I got my wood cut there also because i happen to know the guy that works there so the cuts were really good. Anyway im having one promblem, I need help on how to draw a perfect circle for my speaker onto the wood. I have an rotary saw so im all set just stuck on this part. I belive the cut diameter for an type r is 10.9 but can I just make it 11 or thats to big?

thanks

bonesninja
07-04-2007, 04:34 PM
11 is fine..i don't think 4 millimeters will make a difference

ugs92
07-04-2007, 04:38 PM
I bought an compass also so i was just gonna trace it on a piece of paper and bam

bonesninja
07-04-2007, 04:43 PM
here's how i do mine...i find the center of the space using an X, drive a nail in the middle with a hacksaw blade on the nail. Mark the blade with the right distance and push my sharpie around the arc and voila

http://img.villagephotos.com/p/2004-10/867781/DSC01793.JPG

ugs92
07-04-2007, 04:43 PM
http://www.caraudiojunkyard.com/forum/tutorials/41-how-make-your-own-circle-jig.html

how about this idea

ugs92
07-04-2007, 04:46 PM
i wish i can do this outside but its raining...

ugs92
07-04-2007, 04:47 PM
2.5 cu @30hz..brb on how everything goes

blimblam
07-04-2007, 04:50 PM
seems like a good idea.

ugs92
07-04-2007, 06:00 PM
titebond lll ftw..

ugs92
07-04-2007, 09:59 PM
well my first box attempt failed because of home depot..the back part of my box is too long and my port isnt wide enough so ima rebuild one this weekend and have my buddy cut the wood wit his table saw..wasted 3 hours today

ugs92
07-04-2007, 11:09 PM
I dont know if this effects performance, but my port is supose to be 2.5" wide but its 2 1/4 wide..does this matter and i have to cut a new piece for my back wall for my box..luckly i still have pieces left over. If not ima just rebuild this weekend

blimblam
07-04-2007, 11:54 PM
well my first box attempt failed because of home depot..the back part of my box is too long and my port isnt wide enough so ima rebuild one this weekend and have my buddy cut the wood wit his table saw..wasted 3 hours today

i guess you didn't know the guy well enough >.<

ugs92
07-05-2007, 12:38 AM
i guess you didn't know the guy well enough >.<

yea i know.. but he did tell me that the saw there arent great and hard to cut perfect..oh well

audioarsonal
07-06-2007, 07:59 PM
thats why you do it yourself and MEASURE TWICE CUT ONCE!