(HP-97) Computation of Spanwise Distribution of Circulation & Lift Coefficient …

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An extract from COMPUTATION OF SPANWISE DISTRIBUTION OF CIRCULATION AND LIFT COEFFICIENT FOR FLAPPED WINGS OF ARBITRARY PLAN FORM, NASA Contract NAS1-15249, NASA-CR-159329, August 1980, 61 pgs.

INTRODUCTION
the procedure for calculating span wise load distribution as described in NACA Technical Report 1071 has been programmed on a programmable calculator, the Hewlett Packard HP-97 … The HP-97 … readily available and these programs will make it possible for either an airplane designer or airplane operator to study the effects of span loading on either design or operation.

H.P. 97 Program.
The Hewlett-Packard H.P. 97 programmable calculator is a small desk size unit which is programmed in its own machine language. 224 program steps are available with 26 storage registers. Programs are stored on small magnetic cards.
The Span loading analysis program is listed on pages 28 and 29 Data entry instructions and program operating instructions are given in appendix A.
The program is run in two segments using the computation forms shown on pages 26 and 27.

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