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1938•Journal of the aeronautical sciences. [REQUEST TITLE]Requires access

Estimation of Wing Weights

JAMES E. LIPP

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Abstract

A method for making preliminary estimates of wing weights is described. Equations are given to show the manner in which spar cap, spar web, rib, and miscellaneous weights vary with the dimensions of the airplane. F purposes of making preliminary weight estimates it is desirable to know the manner in which wing weight depends upon the size and shape of an airplane. Such knowledge can also be of use in determining a wing that will give the best compromise between structural lightness and performance for any given case. In this present report is described an approximate method that has been used at the Douglas Company for estimating wing weights and also for studying the trend of wing weights for large airplanes.

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What this paper is about

A method for making preliminary estimates of wing weights is described. Equations are given to show the manner in which spar cap, spar web, rib, and miscellaneous weights vary with the dimensions of the airplane. F purposes of making preliminary weight estimates it is desirable to know the manner in which wing weight depends upon the size and shape of an airplane. Such knowledge can also be of use in determining a wing that will give the best compromise between structural lightness and performance for any given case. In this present report is described an approximate method that has been used at the Douglas Company for estimating wing weights and also for studying the trend of wing weights for large airplanes.

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Available abstract

A method for making preliminary estimates of wing weights is described. Equations are given to show the manner in which spar cap, spar web, rib, and miscellaneous weights vary with the dimensions of the airplane. F purposes of making preliminary weight estimates it is desirable to know the manner in which wing weight depends upon the size and shape of an airplane. Such knowledge can also be of use in determining a wing that will give the best compromise between structural lightness and performance for any given case. In this present report is described an approximate method that has been used at the Douglas Company for estimating wing weights and also for studying the trend of wing weights for large airplanes.

Key concepts: Spar, Airplane, Wing, Weight estimation, Wing loading, Computer science, Mathematics, Structural engineering

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