# Woodworking blog entries tagged with 'math'

## Stuff I Wish I Had Known #1: Measuring Miters

02-19-2013 10:59 AM by | 4 comments »

This is something I struggled with for a while and only recently have been able to do the math for. Purrmaster had asked how and most of this is my response to his question. If you want the inside of the frame to be 8 inches in length then, with a board of 2 inch in width, you would add the width times 2. so with a 2 inch wide board the out side of your frame will be 12 inches. However, if you want to account for the rabbet that you set the picture into then you have to do a bit more math...

## The Dust Collector #1: Decisions decisions

07-02-2010 05:41 PM by | 3 comments »

I’ve been doing a lot of investigation, research, and pondering about my new dust collector, so I figured I’d track my thoughts in the blog to hopefully save people time who are doing the same, and also to show how I ended up setting up and how I got there. I picked up a Jet 1100a dust collector on Craig’s List for \$175, with a bucket of blast gates, hose claps, and reducers tossed in to round it out at \$200 (and the bucket… never can have too many of those). It is...

## Holtzapffel Bench #5: 8/4 < 2 (Lessons in Math)

12-03-2007 06:03 PM by | 5 comments »

My grade school arithmetic left me with some rather incomplete lessons in the basics. I learned yesterday that 8 / 4 is not equal to 2 in the real world. I took my rough-dimensioned ash over to a friends shop yesterday to get some time on his 8” jointer and planer. As we began to surface the slightly more than 8/4 boards, it quickly became apparent that I was not going to get the thickness on these boards that I had hoped. A small amount of bow and twist on a board nearly 4’...

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