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wing ribs on a couple of 14 diameter drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=too-constructionpdfsemi-symmetrical-naca2412-they-do-not-lend-themselves-tohtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Too constructionpdf · semi-symmetrical NACA2412 they do not lend themselves to flat building I like to thread the wing ribs on a couple of 14 diameter drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton 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14 diameter drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=too-constructionpdfsemi-symmetrical-naca2412-they-do-not-lend-themselves-tohtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Too constructionpdf · semi-symmetrical NACA2412 they do not lend themselves to flat building I like to thread the wing ribs on a couple of 14 diameter drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage 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drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=too-constructionpdfsemi-symmetrical-naca2412-they-do-not-lend-themselves-tohtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: Too constructionpdf · semi-symmetrical NACA2412 they do not lend themselves to flat building I like to thread the wing ribs on a couple of 14 diameter drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 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rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=too-constructionpdfsemi-symmetrical-naca2412-they-do-not-lend-themselves-tohtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: Too constructionpdf · semi-symmetrical NACA2412 they do not lend themselves to flat building I like to thread the wing ribs on a couple of 14 diameter drill rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 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rods and loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsmxreader031viewer20220305065ab4fff47f8b9ab47e8c6b70html5thumbnails14jpg width=140 height=200 divdiv