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Author Topic: Building Board  (Read 231 times)
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Lee from Chitown
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« on: March 14, 2020, 02:21:07 PM »

Seeing if I am being OCD, or if this makes a difference.
I am building the fuselage. Finished first side, pulled all the pins and there is a little bow, 1/64" or less, from front to rear.
I was curious so I pulled out my straight edge. The board is nice and straight side to side. Fore to rear there is 1/32" gap in the middle of the 18" board.
Is this "within tolerance." Or is remedial work needed?
Inquiring minds want to know. Roll Eyes
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Russ Lister
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« Reply #1 on: March 14, 2020, 04:11:57 PM »

I think I could live with it ... perhaps packing parts up so they align to the straight edge if necessary?
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NormF
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« Reply #2 on: March 14, 2020, 06:11:39 PM »

I have always used wood planks (jelutong or sugar pine) for building boards. If I lay them flat on the work bench they will warp. Air needs to get to both sides so I use wood cleats under the plank, 2x2 or 1x2's across the width of the board about a 1/4 of the way in on each side. Boards stay flat (if they started flat!).

Norm
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DerekMc
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« Reply #3 on: March 14, 2020, 06:20:31 PM »

A pane of glass is nice. Stick something that holds pins to it. I've used foamcore for years.
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They fly better when you smile!
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Lee from Chitown
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« Reply #4 on: March 16, 2020, 10:31:56 AM »

My board settled the matter of "in-tolerance" or not by itself. The double sided "industrial" "permanent" tape is letting go. Not quite two pieces, yet. Roll Eyes
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