Scribing Class Timber Framing by Josh Jackson

Timber Framing Guild Conference 2013 Burlington Vermont, Bubble Scribing class taught by Josh Jackson from TimberHomesLLC

TimberHomesLLC

Timber Framing Guild

This timber frame with curved headers and yokes is for Shannon McIntyre's house. It's 169 1/2 long and 99"  in height from the bottom of the scribe stones to the top of the cross header. The timber frame was placed on the saw horses with the living room side up and the mud room side facing down.

Josh explaining how to set up the saw horses to level and square up the timber frame. 

Right to left, Abe, Robert, Josh, Jonathan, Ray, Shannon.

Right to left, Abe, Earl, Makaio, Erik, Charles, ?, Josh, Shannon, Ray.

Shannon pointing the laser at the end of the post to establish the height of the post on the saw horses.

Josh explaining the purpose of the square rule pencil. 

Josh showing the way he levels the scribe bubbles.

Chris using the framing square to establish the center height of the log.

 Chris checking the heights of the logs to be scribe.

 Chris checking the heights of the logs to be scribe.

Shannon, Shawn watching Chris

Will Bremer talking to Josh with Chris checking out the scribe lines.

Abe scribing the logs.

Abe and Makaio discussing the positioning of the log.

Charles, Jonathan and Ray looking at the position of the log.

Erik looking at the whole process as Shannon positions  the log. 

Chris using the bubble scribe.

Shawn using the bubble scribe.

Erik and Jonathan using the bubble scribes.

Working Planes

There are 14 working planes in roof framing geometry.

1. Main Slope Angle Plane
2. Adjacent Slope Angle Plane
3. Deck Horizontal Plane
4. Hip Rafter Plane
5. Main Side Roof Surface Plane
6. Adjacent Side Roof Surface Plane
7. Prism Plane
8. Main R5B Prism Plane
9. Main R5P Prism Plane
10. Adjacent R5B Prism Plane
11. Adjacent R5P Prism Plane
12. Hip Rafter Backing Plane
13. Purlin Plane
14. Skewed Rafter Plane

Rafter Tools+ for iPhone

The Rafter Tools+ app for iPhone is almost done. I still need to write the help files for the app and submit it to the Apple developers website for review. It's still about a month before it's available on the iTunes store.

The Rafter Tools+ app for iPhone is designed to give the user the ability to percisely layout an irregular hip rafter. The eave angle can be from 10° to 170° with unequal roof slope angles.

The user interface is a lot better on the iPhone than the Rafter Tools app for Android. Real easy to use, especially the Email calculations function and the Equal - Unequal Overhang function for irregular hip roofs. The Timber Framing angles screen is pretty good. You can select different display formats for the Timber Framing angles. The hip angles display is a lot easier to read on the iPhone.

1. "Degrees"
2. "Base 10"
3. "Base 12 decimal"
4. "Base 12 fractions"
5. "Tangent"
6. "90° - Angle"
7. "90° + Angle"
8. "180° - Angle"
9. "180° + Angle"

Screen Shots of the Rafter Tool+ app running on the iPhone 5. The retina display on the iPhone 5 is amazing.