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RV-9A: Project Entry
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Time to trim the F-623 ribs

I'll be glad to be through with these ribs. The instructions are very vague. I read another builders log where he noted that the directions must have written by Picaso. I need to trim the flanges to make room for the foot steps. There are no dimensions, no directions; only a this drawing which (to me) implies to "eye-ball" the center of the cut-out and make plenty of room for the foot step pipes. The drawing shows a rather large cuttout area, much more than needed to make room for the foot step pipes.

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