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manufactur     D  C


                 of wind tunnel models. To insure a competitive price, bids will be received

                 from several shops and a make-or-           buy     cision made. Close scrutiny will

                 be maintained bwaercr people during           the manufacturing phas


                          4.     Test Conduct****:       With Central Engineering’s concurrence,

                 Chrysler Huntsville will engage the tunnel(s) and make all necessary arrange­


                 ments for the tests. Pretest meetings will be held with the tunnel personnel

                 to resolve any difficult areas and to as  U)     £   mutual agr ement on all test
                                                                                    -

                 plans.

                          Models will be checked for dimensional accuracy and for proper fit of

                 all parts prior to shipment to the tunnel. CHO will arrange for model shipment


                 to the tunnel and insure that all parts arrive at their destination in original

                 condition. At the tunnel, calibrations will be made of all instrumentation


                and checks made of all data reduction constants. Any pressure tubing will

                be checked to insure against leaks.          CHO will supervis       D  C  the model installation


                into the tunnel and will supervise all model changes during testing. During

                the tests, checks will continually be made of data being recorded to validat                  D  C

                its accuracy and insure proper trends. Any abnormalities will be immediately


                 investigated. Repeat runs will be made on each configuration to assure

                data repeatability and increase accuracy. Concerted efforts will be con-


                 tinually exercised to keep accuracies to the highest order. An accurate

                 run log will be maintained containing all information
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