progress so far, and a rib forming question

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Comment by peter vetter on February 10, 2013 at 1:31pm

Thanks for the advise.

First time builder, and I am probably being overly cautious.

Comment by Dan Dempsey on February 9, 2013 at 12:45pm

I can only say what I did because I don't know how much it matters.  First of all I cut them with some relief angle (about 10 degrees on the sides).  I cut the blocks the size of the prints, but with that relief angle by the time I had radiused the edges and smoothed the blocks they were just enough smaller that the parts came out the size of the prints. http://daniel.dempseyfamily.us/zodiac/tail/elevatorrib.htm

Comment by Jesse Hartman on February 7, 2013 at 4:50pm
I made my form block the size of the prints. And like the building standards states, your not building a space shuttle. good luck
Comment by peter vetter on February 7, 2013 at 1:11pm

The question was:

When building the forming blocks, do I reduce the form size by the sheet aluminum thickness to get the OD shown on the drawings, or is that alreay taken into account in the assembly sizing, or does it matter. I am making the assumption that it matters because the building manual states specific tolerances for various parts of the airframe

Comment by Jesse Hartman on February 7, 2013 at 5:55am

Where is the question?

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