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5. Data Analysis: All data collected during the tests will C T D C

plotted against appropriate parameters to illustrate the effects of changing

various components of the automobile. Aerodynamics drag will be the prime

parameter of concern although aerodynamic lift and center of pressure

will exhibit considerable influence on certain body forms. Comparisons

of data with other similar n onfigurations and with other scale data, where

available, will be made to substantiate data accuracies. Theoretical

comparisons will also be made where possible. From these plots, conclusions,

recommendations, and opinions can be formed. Internal drag will be deter­

mined from pressure readings in the engine compartment. Flow visualization

aides such as tufts, 2 escent oils, dyalite beads, powder and high speed

photography will be utilized to aid in formulating the complete aerodyna s H* • O

picture.

6. Reporting: As pointed out earlier in this proposal, the objective

of thes 4-> sts is to collect data which can be used by non-technicaDpersonnel

as guides when styling any particular configuration, Although much experi­

mental technical information will be included in this report, it will be

organized and pr o sented in such a manner as to be easily interpreted by

laymen. When possible, technical data will be illustrated with artists

renditions to aide in easy interpretation. From the conclusions which will

be made during the data analysis, guidelines will be established and reflected

in the data presentations specific enough to be applied to particular situations

but general enough to cover a large range of variables. A copy of the report

rough draft will be submitted to CE for approval prior to its publication.