World Records in Flight Archery
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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 -
August 2012 NTA Newsletter Final
Volume 3 August Issue 4 2012 The Nebraska Traditional Archer 2012 Calendar of Events Jan 14, 2012, Saturday, 9:00am – Noon Jun 9, 2012, Saturday, 9:00am – Noon NTA Monthly Meeting NTA Monthly Meeting Izaak Walton Park, Fremont, NE Izaak Walton Park, Fremont, NE Jan 20 – 22, 2012 Jun 10, Sunday 8:00am - 4:00pm River City Hunting Fishing RV Boat Expo, NTA Exhibit Grant Hoefener Memorial 3-D Shoot Mid America Center, Council Bluffs, IA Schram Park Archery Range, Gretna, NE Jan 27 – 29, 2012 Jun 15 – 17, 2012 Big Buck Classic, NTA Exhibit Booth Compton Traditional Bowhunters Rendezvous Quest Center, Omaha, NE Berrien Springs, Michigan Jan 27 – 29, 2012 Jul 14 – 15, 2012, Saturday, 8am – 6pm, Sunday 8am – 3pm Kalamazoo Traditional Archery Expo Nebraska BOJAM – 17 th Annual Bow Building Jamboree Kalamazoo, MI Izaak Walton Park, Fremont, NE Feb 4, 2012, Saturday, 9:00am (snowed out, moved to Mar 17) Jul 15, Deadline for Aug Newsletter NTA Dart Shoot and Swap Meet D B Archery, Platte Center, NE Jul 19 – 22, 2012 Missouri 14 th Annual Ozarks Self Bow Jamboree, MOJAM Feb 11, 2012 Marshall, MO Annual Game Feed Izaak Walton Park, Fremont, NE Jul 26 – 29, 2012 Eastern Traditional Archery Rendezvous Feb 25, 2012, Saturday, 5:00pm Denton Hill, PA NTA Annual Meeting, Elections and Banquet Izaak Walton Park, Fremont, NE, Large Lodge Aug 3 – 5, 2012 NBA Jamboree Feb 24 – 26, 2012 Nebraska National Forest, Halsey, NE Compton Traditional “Pre-Spring Arrow Fling” Tannehill Historical State Park, McCalla, Alabama Aug 11, 2012, Saturday, 9:00am – Noon Terry -
Shirley Cave and Norman Kerber Wed Saturday Eve Dr. Barnhizer Dies
X Shirley Cave and Norman Kerber Wed Saturday Eve Mis* Shirley Marie Cave of The modified bell skirt accented Seven Fountains, Va. and Nor at waistline with a toft fold end man Leonard Kerber of Washing tng in a boar in the back. Her NUMBER 49 ton. D. C. were m arriad Saturday, headdress was of matching peau- NINETY-FIRST YEAR CHATSWORTH, ILLINOIS, THURSDAY, AUGUST 5, 1956 July 31 at 7 pjn. at the First de-soie with a complexion veil. Brethren Church at Winchester, She carried a nosegay of match Va. The Rev. Paul EL Dick of ing carnations. Winchester officiated at the dou Mrs. Faye Cullen of Front Plans To Open Junior College Pontiac Band To ble ring ceremony before an altar Royal. Va. and Miss Ellen Croaon of snapdragons, mums, palms and of Arlington, Va. served as brides candelabra. maids and were dressed identical At Pontiac September, '66 Give Concert Mrs. Paul E Dick of Winches to the matron of honor. Efforts to establish a Junior col has said, “Many young people with ter was organist and acocmpauiied Michael Kerber of Chatsworth lege In Living*ton County are well potentiality need the personal Aug. 11th Mrs. Donna Powell of Waterlick, served his brother - as best man under way, according to informa guidance program which a private soloist. and Paul Villemaire and Debnus Junior College can offer.” Arthur O. Walter states that he tion presented a^ a meeting In has secured another fro* band Parents of the couple are Mr. Smith both of Washington, D. C. Pontiac Friday evening. -
ARCHERY 101 FUNDAMENTALS of ARCHERY During the Course the Instructor Will Review, Archery Safety, Shooting Form, and Types of Equipment
2012 ARCHERY 101 FUNDAMENTALS OF ARCHERY During the course the Instructor will review, archery safety, shooting form, and types of equipment. Archery 101 Page 1 Texas Archery Academy www.texasarcheryacademy.org Archery 101 Course Curriculum This Archery 101 course consists of four sessions, each being one hour. Archery 101 introduces archery safety, shooting form, archery styles, equipment and scoring rules. Each session offers “show and tell” discussion for fundamental archery education. The majority of each class is just a lot of FUN shooting, but with structured drills and practice, along with skills. Students learn a neutral style of archery that builds the basics of a solid shooting form. Easy to use equipment allows skill progress, without emphasis on strength or gender. The program curriculum uses the JOAD/AAA training and awards system, a nationally recognized archery program developed by USA Archery and the international FITA “Feathers and Arrows” archery education program. This combination is the first step in a “black belt” style, self-paced, achievement program in target archery. Regular group classes combine fundamental archery education curriculum and shooting skill development. Along the way to completion, the archer will achieve three award pin levels: Green, Purple and Gray. Each has a shooting proficiency test and education curriculum. Page 1 Texas Archery Academy www.texasarcheryacademy.org Archery 101 Introduction Welcome to Archery! Through the ages, this primitive weapon has fed families, conquered civilizations, and provided a wonderful source of recreation. As a martial art, archery helps build self-confidence and control. As a sport, it ranks with golf as a challenge to building individual skill. -
Archery What, Where
Archery 101 The What, Where, and How Anshul Joshi GradSAC What • ‘Arcus’ (Latin) = arch, bend • Toxophilite • Late Paleolithic (~10,000 BCE) The Bow Types • Recurve • Longbow • Compound The Bow Limb Belly (Compression) Back • Self bow (one piece wood) (Tension) • Composite (horn, wood, sinew) • Laminated (fiberglass, wood) Recurve/Longbow • ~Linear draw force curve • Harder to master Compound • “Bow on training wheels” • “Let off” (50%, 25% etc) • Sniper rifle of the bow world The Arrow Fletching Nock Fletching • Feathers • Vanes (Duravanes) • Blazer Vanes Shaft The Fletching Stays straight by drag Stays straight by spin The Shaft • Aluminum, Wood, Carbon • Archer’s Paradox • Decides the “flex” of the arrow • Tradeoff: Flex, Weight, Speed The Arrow tips • Blunts • Field points • Hunting tips/Razorblades/Broadheads Where • Outside city limits • Archery range (e.g.: Salt Lake Archery, near $ theatre) • Backyard (Illegal!) • Archery range: New/Rentals….EBay: Used • New: ~$200+ … Rental: ~$12/day How: Safety first! • A bow/arrow is powerful enough • Never load unless range is clear!!! • Never retrieve unless range is clear!!! • Never dry fire!!! • Listen to the range master!!! How: Draw How: Stance • Do not grip! • Wear gloves/finger tab • Feet, Shoulders, arms in one line facing target Aim Gap Shooting Sights Point of Aim +String Bow Specs AMO length: Length of unstrung bow Draw weight Draw length: (Usually 26-32”). Your draw length = your arm span in inches ÷ 2.5 *Always written as weight @ length (e.g.: 45# @ 28”) RH/LH: Right handed – Left handed (Eye dominance test) Bow Specs – RH/LH *IMP*: Eye dominance test 1) Aim using both eyes 2) W/o moving hands, see with left eye, then right eye 3) Dominant eye sees the target vs. -
Bow Construction Bow Construction
Bow Construction Bow Construction Understanding the terminology. Choosing Wood types,..............................................woods other than Yew and Osage orange, seasoning of the wood,..............................................tools preperation, ................................................................the ideal line of grain and wood growth rings, initial preperation of the back of the bow,.................Flatbow construction,...............Longbow construction, Tillering bows ................................... the initial process, ................................... precise tillering, fitting final nocks .........................................................optional extras. Recurving .....................................................................straightening. An easy method of rawhide bow backing Making your own Bowstrings and Arrows. Crossbow design 1. Crossbow design 2. .....................................................................Recommended reading..................................................................... Updates will be added as they become available, e.g., natural bowstrings, home made arrowheads, bow designs, crossbow designs and quills etc., file:///C|/DATA-HP3/XReWork_Post%20PS-S/WorkIt/Group_Defense/Bow-arrows/Bowmaking/bow%20construct.htm [11/2/2009 1:31:50 PM] Terminology Terminology Stave. Length of wood, radially split from log, branch or comercially purchased timber from which the bow is to be constructed. (Also refered to as bow-stave.) Tillering. The process of working -
AF Mar / Apr 01
ArcheryFocusArcheryFocusmagazine Volume 5, Number 2, 2001 $5.00 YouYou askedasked ASTE PM R forfor O it!it! The LoopMaster * O Made for loops, its L cocking mechanism doubles as a safety. It swivels 360˚ Full ReleaseView and rotates out of your way when not in use. What more ! S can you ask for? P O O *Patent Pending L 3 R 6 O ZLY L 0˚ F Z O S E I O WI AD R P VEL - M G The Grizzly Loop* Our E glove completely folds out of your H way! Squeeze into the rubber grip, T while pulling with a comfortable Front Foldaway strap. Also available in our stan- View dard caliper, single ball, or double *Patent Pending ball jaws, the Grizzly is the better glove that you’ve been asking for! ! e Back Foldaway Pro Jackie Caudle e View r *2000 Buckmasters Champion F *2000 ESPN® Outdoor s Games Winner nd w XT Ha Ne rem he e T Pro Shannon The New XTreme * Caudle This year we’ve added fin- *2000 IBO ger grooves and a knurled World *Patents Champion #5,937,842; trigger with a shorter exten- *2000 Cabela’‘ss #5,685,286; Shooter of #5,715,805; sion to the XTreme Series! #5,803,068. the Year Not only is it shorter than Pro George C the competition, it’s also ! Dixon o u made the way you want it! “Since using T.R.U. n o Ball, I have won to y $325,000 in cash and u it prizes, as well as four World, re f We two National, four Team d to make National, eight Shooter of the archery Year, and the 2000 Cabela’s WWW.TRUBALL.COM World Championships! PO Box 1180 Madison Heights, VA 24572 better!better! (804)929-2800 Jesus Christ is our Unlimited Resource! Contents Departments 10 ArcheryFitness Annette M. -
How to Make Your Own Archery Equipment
HOW TO MAKE YOUR OWN ARCHERY EQUIPMENT 2017 TABLE OF CONTENTS Introduction 3 BOW & STRING How to make bow handle (riser) 4 make bow limbs 6 make string 9 tie a nocking point by Heather Flint 15 wax a bowstring by Heather Flint 16 make bow stringer 17 make sight 18 make arrow rest 19 make pressure button 22 make draw length checker (clicker) 23 build a youth PVC bow by William Sephton 24 ARROWS How to make arrow shafts 40 fletch an arrow (with plastic vanes) by Heather Flint 43 how to apply arrow wraps by Heather Flint 45 make fletchings 46 make arrows by Ludys Tejada 48 make arrow container 49 put points in arrows by Heather Flint 50 ACCESSORIES How to make finger protector (tab) 51 make tab by Ludys Tejada 52 make arm guard (bracer) 53 make arm guard by Ludys Tejada 54 templates for tab and armguard 55 make finger sling 56 make quiver 59 make quiver by Ludys Tejada 60 make ground quiver 61 make jigs by William Sephton 62 TARGET How to make target 63 make target stand 65 bow stand 67 OTHER RECOMMENDED PUBLICATIONS AND WEBSITES Other recommended publications and websites 68 INTRODUCTION Archery is an extremely accessible sport kinds of bows, recurve, compound and in countries around the world. It is a sport traditional, and disciplines within the for all ages and abilities - and can be as sport – with a local archery club or centre. recreational or competitive as the person Facilities can range from a dedicated taking part wants! venue to hired sports halls or fields. -
Spine Charts** **See Next Page for Spine Charts**
**SEE NEXT PAGE FOR SPINE CHARTS** **SEE NEXT PAGE FOR SPINE CHARTS** ASK THE EXPERTS 260.587.9501 NEED HELP? START HERE HOW TO FIND THE RIGHT SPINE FOR YOU Our Spine Selection Charts are a great starting point, BUT it is only a reference point, not guaranteed to be an EXACT match for your bow. Test kits are highly recommended. • STEP 1: Find your Arrow Length and Draw Length. The Correct Arrow Length is best determined by drawing back an extra-long arrow (draw check arrow below) to full draw and having someone mark the arrow right in front of the handle. Measure the arrow from the mark to the valley (deepest part) of the nock groove. This is your DRAW Length. For ARROW length we recommend adding 1 or 2 inches to this measurement so your broadhead will not bump the bow shelf. For target archery this is not as important, but be sure to leave enough arrow so it does not come off the inside of the bow shelf. • STEP 2: Determining Actual Peak Bow Weight This is measured at your draw length, not by what the bow has written on it. The reason is a bow will be roughly 2-3# different for every inch +/- the rated draw length. Even if you draw at your bow's rated draw (normally 28") the industry standard allows a bow manufacturer to be ±2# from rated bow weight and still mark/sell at the rated weight. So your marked 45# @ 28" bow could actually be 47# @ 28". Using an accurate scale, see page 52, draw the string until you hit your draw length and hold. -
National Curriculum Grades
National Curriculum Grades 4-5 Revised 2019 1 © 2006 The National Archery in the Schools Program does not discriminate on the basis of race, color, national origin, sex, religion, age or disability in employment or in the provision of services. NASP® Revised 2019 2 “On Target for Life” Grades 4-5 Archery Important note: This archery unit may be used ONLY in conjunction with the National Archery in the Schools certification training and training materials. Overview: As a result of this unit, the history, physical, emotional and social benefits will be learned. In addition, safety strategies, skills and archery techniques necessary to participate in and enjoy archery as a lifetime activity will be fully addressed. Note to instructor: The activities, enhancements and timeframe of this unit may be adapted to fit specific student or classroom needs. However, the safety procedures and instructional guidelines for teaching archery as developed by the National Archery in the Schools Program MUST be taught throughout the unit. For adaptations for special needs students, please see the Appendix. 3 Major focus: • National Standards: o Physical Education (SHAPE America, 2013) 1. The physically literate individual demonstrates competency in a variety of motor skills and movement patterns. 2. The physically literate individual applies knowledge of concepts, principles, strategies and tactics related to movement and performance. 3. The physically literate individual demonstrates the knowledge and skills to achieve and maintain a health-enhancing level of physical activity and fitness. 4. The physically literate individual exhibits responsible personal and social behavior that respects self and others. 5. The physically literate individual recognizes the value of physical activity for health, enjoyment, challenge, self-expression and/or social interaction. -
ARCHERY EQUIPMENT Hunting Safety Principles and Practices
Chapter Seven ARCHERY EQUIPMENT hunting safety principles and practices. Lesson 1: Introduction to Bowhunting In this lesson you will: unique hunting experience. Brief History of Bowhunting For thousands of years, people have hunted with bows and arrows. The bow was an essential hunting Ishi’s teachings in the early 1900s tool until firearms were invented renewed interest in bowhunting. in Europe during the 14th Century. From that point until early in the 20th century, interest in bowhunting University of California, befriended Why Hunt with a Bow? decreased greatly. By the late 1800s, and treated him. Ishi passed along Hunting with a bow and arrow no one other than tribal people living his bowhunting skills, including is unique because it provides in remote areas of the world hunted how to make bows and arrows, to close encounters with wildlife and with bows. The knowledge and Dr. Pope, Arthur Young and Will requires refined hunting skills. skills for making bows and hunting Compton. Later, these three men Typically there are fewer hunters in game with them disappeared demonstrated to the world the bow when these people passed away and arrow could be used to hunt or adopted the customs of modern big game. society. All that remained of archery Though Ishi died of tuberculosis was target shooting. in 1916, he launched the discovery Then, on August 29, 1911, of modern bowhunting. Interest in Ishi, the last Yana Indian raised hunting with bow and arrow grew without influence of white rapidly. In 1934, Wisconsin held Each bowhunter people, wandered into Oroville, the first bowhunting season in the has his or her per- California. -
Custom Bows. Bold, Graceful
Special Report ustom bows. Bold, graceful arrows hit where you’re looking – bows are always in great demand. lines and striking patterns of without sights. After a few shots, as Additionally, traditional archers often Ccontrasting hardwoods blend you’re walking back to the shooting feel special connections to their bows. form and function, resulting in a hand line, you’re picturing yourself stalking is is evidenced by the way so many crafted masterpiece created by a true your next big game animal, with this of them have names inked on them. master of the art. When a bowyer mas- bow of course. Your heart beats a bit I have done it myself: named bows. ters the bow building process, each faster. As you imagine the scene, the Perhaps you have as well. It’s OK. bow is an expression of his or her pas- animal appears, you pick a spot and in Hunting with traditional bows and sion and intuition. From that moment an instant, the arrow is away. A perfect arrows is an intimate game. Shots are in time, there is magic in every bow his shot! e animal is yours. Now you’re generally up close and personal, so you or her skilled hands bring to life. hopelessly lost; this bow must be yours. need a hunting partner you can trust. Not only are these exotic bows easy Driving home, you look over at your Compound shooters are drawn to on the eyes; some seem to carry a beautiful new custom bow and smile. traditional recurve bows and longbows power of attraction.