SCAS Judges Presentation
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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 -
Intro to Archery
INTRODUCTION TO ARCHERY TARGET ARCHERY This the most commonly practiced form of archery worldwide and is practiced within most Archery Australia clubs. Target tournaments are conducted regularly and held both indoors and outdoors. Shooting distances vary from 18 metres (indoor) to 90 metres (outdoor), with target sizes being 40 or 60 centimetres for indoors and either 80 or 122 centimetres for outdoors. Targets have five colours with each colour being divided into 2 to provide 10 scoring zones. The innermost ring is given a value of 10 points, down to the outermost ring with a value of 1 point. Target rounds involve shooting a set number of arrows over one or several distances. Indoor events involve shooting a total of either 30 or 60 arrows; with outdoor events shooting 72, 90, 120 or 144 arrows are shot. FIELD ARCHERY Field archery is a challenging outdoor discipline in which the archer takes on the terrain as well as the target. Field archery is a combination of archery, golf, and bush walking. A course is set up in a bush land setting taking advantage of hills, slopes, angles and light and shade. A field course is made up of either 24 or 28 targets depending on the round being shot. The archer is required to shoot either three or four arrows at each target. Distances range from 10 to 60 metres and target face sizes vary from 20 to 80 centimetres. CLOUT ARCHERY Clout archery is another popular discipline in Australia because due to its fun aspect. Clout archery is derived from medieval warfare where archers would lob arrows onto the advancing army. -
Archery GB Rules of Shooting for Target Archery – Outdoor Shall Apply Except As Enumerated in the Following Paragraphs
Rules of Shooting Responsible for review of procedure Chair, Rules Version Approved by Date of approval Next Review Date Proc-01-09 Chair, Rules February 2020 April 2020 INTENTIONALLY BLANK ii April 2017 ARCHERY GB RULES OF SHOOTING Contents Part Title Preface Contents Introduction 1 Bow Safety 2 Bowstyles 3 Target Archery – Outdoor 4 Target Archery – Indoor 5 Field Archery 6 Flight Shooting 7 Clout Shooting 8 Crossbow Target Rounds 9 Traditional Longbow Target Archery 10 Other Forms of Archery 11 Disabled and Visually Impaired Archers Index Appendix A Approved Scoring Systems B Minimum Standard for Judge in Charge C Target Archery Outdoor – Range Layout D Target Archery Outdoor – Independent Range Layout E Clout Archery – Range Layout Imperial/Metric Conversions 1 metre = 1 yard 0 feet 3.37 inches 1 yard = 0.914 metres 1 kilogram = 2.2 pounds 1 pound = 0.454 kilograms April 2017 iii ARCHERY GB RULES OF SHOOTING Published by Archery GB Lilleshall National Sports & Conferencing Centre Newport ShropshireTF10 9AT Telephone: 01952 677888 E-Mail: [email protected] © Archery GB 2002, 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2020 ISSUE DATE OF PAGES All pages April 2018 4-5, 4-6, 4-7 October 2019 2-1, 2-3, 3-13, 4-4/5/6/7, App F February 2020 Archery GB is the trading name of the Grand National Archery Society, a company limited by guarantee no. 1342150 Registered in England. iv April 2017 Preface The shooting regulations as prescribed in its Rules of Shooting, which are the responsibility of Archery GB’s Executive, shall be accepted as governing the relevant branches of the sport of Archery throughout the area under Archery GB’s jurisdiction. -
Setting up an Archery Range
Setting up an Archery Range 1 Updated March 2014 How to set up an archery range Content: Introduction ....................................................................................................... 2 Rules for designing a safe target archery range ............................................ 3-4 Outdoor shooting grounds ................................................................................. 4 Outdoor field orientation .................................................................................. 5 Outdoor field of play with safety zones ......................................................... 5-6 Outdoor field of play with reduced safety zones .......................................... 6-7 Indoor shooting range .................................................................................... 7-8 Field, Clout and Flight archery ..................................................................... 9-10 Setting out a competition target archery range ........................................ 10-12 Further reading ............................................................................................... 10 Introduction Archery is practiced all over the world. As with other sports, a special area is needed for practice and competition. Bow and arrows are part of the equipment of an archer; an archery range on a flat level field is needed for the safe practice of target archery. In field archery the ground is mostly far from level, however in this discipline there exist special rules for range layout. The specialist -