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Review and Update Data Base (over 150 projectiles).

SPINNER Background 1967- Initial Development 1969- First Upgrade 1973- Comprehensive Re-Write w/ Spark Range & Wind Tunnel Data, Equations & Tables Constructed w/ Regression Analysis 1979- Improved Spin Decay Model & Increased Data Base (1973-1979 Data) 1980-1988 - Improved Magnus Model 1990 Improved Short / Blunt Projectile Predictions & Increased Data Base (1979-1990) 1998 Improved Magnus Model (current PRODAS V3.1 software) NDIA Guns & Ammo 2004

Inputs (Geometry) Total Length Ogive Length, Radius Ogive Meplat Diameter Boattail Length, Angle Rotating Band Dia., Length Boom Dia., Length Center of Gravity Outputs (Aerodynamics) Axial Force (Drag) (function of AOA) Normal Force Magnus Force Pitching Moment Damping Moment Magnus Moment (function of AOA) Spin Damping SPINNER-2004 I-O NDIA Guns & Ammo 2004

Only updates were Magnus and Spin Decay predictions NDIA Guns & Ammo 2004 SPINNER-2004: Objective Improve the predictive capability capability of the SPINNER code contained within PRODAS design program SPINNER computes all the Aerodynamic Coefficients of Spin-Stabilized Projectiles based on projectile geometry Most of the code was developed in 1973 (over 30 years ago). Companies and their employees who have been hired on a contractual basis for services on or off campusįor further assistance, please submit a Help.UNM ticket or contact UNM Information Technologies Customer Support Services (IT CSS) by calling (505) 277-5757.SPINNER-2004 SPINNER 2004 A New Version (It’s about time) Jeff Siewert Bob Whyte NDIA Guns & Ammo 2004.UNM Employees who do not use a computer at work.Practicing emeritus professors may contact (505) 277-5757 to request special access.The license (Right To Use) for the software covered under this agreement is available at no cost to departments.įaculty-owned & Staff-owned Computers at Homeįaculty and staff at UNM (includes HSC, UNMH, UNM Medical Group, UNM Foundation, and Lobo Energy) are eligible for work-at-home use with certain restrictions. Please see FasInfo 7233 - What is Microsoft Office 365 ProPlus? for more information.įor all UNM departments including branches and University Hospital: Microsoft Office 365 ProPlus is now free for students, staff and faculty through LoboMail.