Irish Field Archery Federation (Clg.)
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On the Mechanics of the Bow and Arrow 1
On the Mechanics of the Bow and Arrow 1 B.W. Kooi Groningen, The Netherlands 1983 1B.W. Kooi, On the Mechanics of the Bow and Arrow PhD-thesis, Mathematisch Instituut, Rijksuniversiteit Groningen, The Netherlands (1983), Supported by ”Netherlands organization for the advancement of pure research” (Z.W.O.), project (63-57) 2 Contents 1 Introduction 5 1.1 Prefaceandsummary.............................. 5 1.2 Definitionsandclassifications . .. 7 1.3 Constructionofbowsandarrows . .. 11 1.4 Mathematicalmodelling . 14 1.5 Formermathematicalmodels . 17 1.6 Ourmathematicalmodel. 20 1.7 Unitsofmeasurement.............................. 22 1.8 Varietyinarchery................................ 23 1.9 Qualitycoefficients ............................... 25 1.10 Comparison of different mathematical models . ...... 26 1.11 Comparison of the mechanical performance . ....... 28 2 Static deformation of the bow 33 2.1 Summary .................................... 33 2.2 Introduction................................... 33 2.3 Formulationoftheproblem . 34 2.4 Numerical solution of the equation of equilibrium . ......... 37 2.5 Somenumericalresults . 40 2.6 A model of a bow with 100% shooting efficiency . .. 50 2.7 Acknowledgement................................ 52 3 Mechanics of the bow and arrow 55 3.1 Summary .................................... 55 3.2 Introduction................................... 55 3.3 Equationsofmotion .............................. 57 3.4 Finitedifferenceequations . .. 62 3.5 Somenumericalresults . 68 3.6 On the behaviour of the normal force -
FITA Level 1 Coaching Guide
COACHES MANUAL ENTRY LEVEL http://www.archery.org FITA Coaches Committee Coaching Manual - Entry Level Table of Content s Introduction Chapter 1 The archer’s skills Chapter 2 S teps of the Shooting Sequence Chapter 3 Safety Chapter 4 Archery Classes and Entry level Program Chapter 5 Common Problems Chapter 6 Coach’s Role Chapter 7 Teaching suggestions for the Coach Chapter 8 Tip s for your demonstration, organization and present ation Chapter 9 Tip s for practice planning Chapter 10 Some suggested Teaching exercises Chapter 11 Facilities for group instruction Chapter 12 The disabled archer Chapter 13 Games COACHING MANUAL Glossary COACHING MANUAL Dear Coaches and Friends, As President of FITA, I am very pleased with the results of the hard work of the Coaches Committee, the FITA office and all those coaches who have contributed to this valuable manual. FITA now has an updated coaching manual that will unify the basic coaching knowledge of the best coaches in the world. It is important that a uniform method be used at the basic level to give all new enthusiasts a well-tested foundation of the best archery practices. Archers will be able to go from this level to that of a recreational, national or international participant, building on this basic training with intermediate and expert coach- ing. My special thanks to Juan Carlos Holgado, Coaches Committee Chairman and Pascal Colmaire, FITA Development Director for their great effort and knowledge to write and compile this manual. Best regards, Jim Easton President COACHING MANUAL ere is the first coaching manual of the Federation Internationale de Tir àl'Arc (FITA). -