# Analytical Geometry in Common Layouts

Analytical Geometry in Common Layouts FOLDING wings of the type employing a skewhinge axis present a somewhat difficult layout problem in way of the wing cut. The problem with which this article is concerned is that of obtaining, in the form of vertical spanwise sections, the surface swept out by one cut edge of the folding portion as the wing rotates. This enables the bottom cut line to be determined when the top cut line is known, or vice versa. If the leading edge rises when the wing folds, the top cut line will be determined by the fully folded position if the leading edge falls, it will be the bottom cut line that is thus determined. The following diagrams and calculations are made for the rising leading edge type the same method may be applied to the falling leading edge type viewing the wing upside down. A numerical example is worked along with the theory. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

# Analytical Geometry in Common Layouts

Aircraft Engineering and Aerospace Technology, Volume 15 (7): 5 – Jul 1, 1943
5 pages

/lp/emerald-publishing/analytical-geometry-in-common-layouts-91Kxrq8arR
Publisher
Emerald Publishing
ISSN
0002-2667
DOI
10.1108/eb031032
Publisher site
See Article on Publisher Site

### Abstract

FOLDING wings of the type employing a skewhinge axis present a somewhat difficult layout problem in way of the wing cut. The problem with which this article is concerned is that of obtaining, in the form of vertical spanwise sections, the surface swept out by one cut edge of the folding portion as the wing rotates. This enables the bottom cut line to be determined when the top cut line is known, or vice versa. If the leading edge rises when the wing folds, the top cut line will be determined by the fully folded position if the leading edge falls, it will be the bottom cut line that is thus determined. The following diagrams and calculations are made for the rising leading edge type the same method may be applied to the falling leading edge type viewing the wing upside down. A numerical example is worked along with the theory.

### Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Jul 1, 1943

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