ASTM_F_1352_-_08_2013.pdf

Designation:F135208(Reapproved 2013)An American National StandardStandard Guide forFixed Blade Broadhead Performance and Safety Standards1This standard is issued under the fixed designation F1352;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide covers the formulation of preliminary guide-lines in six areas of broadhead performance and safety.1.2 The first three guidelines,flight,penetration,andsharpness,are related to performance,but they can have somebearing on safety.The last three,impact resistance,assemblyand attachment methods,and packaging,determine to a greatdegree the safety level of the broadhead in the hands of the enduser.1.3 The values stated in inch-pound units are to be regardedas standard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Terminology2.1 Definitions:2.1.1 blades,nthe sharp,laterally extended elements ofthe broadhead that perform the task of cutting after the arrowimpacts the target.2.1.2 broadheads,ndevices for attachment to the forwardend of an arrow that are equipped with one or more sharpcutting blades.Broadheads are used when hunting with a bowand arrow to harvest game animals.2.1.3 ferrule,nthe central structural section or componentof the broadhead to which the forward end of the arrow shaftis attached.In some broadhead types,the ferrule is integralwith the blades.In other types of broadheads,the ferrule hasprovisions to mount separable blades,but it may also have oneor more integral blades.The ferrule may have a projectingthreaded shaft that screws into a socket in the forward end ofthe arrow shaft,or it may have a hollow rear section into whichthe forward end of the arrow shaft is inserted.2.1.4 flight,nthe path taken by the arrow after it islaunched by the bow,but specifically including the character-istics of the motion of the arrow as it proceeds along the pathof flight.2.1.5 penetration potential and penetration,npenetrationpotential is the combination of many factors that determine thepotential of an arrow to penetrate any target that it impacts.These factors are principally the mass and velocity of thearrow,the characteristics of the broadhead being utilized(number of blades,cutting diameter,etc.),and the manner offlight of the arrow.Penetration is the actual depth an arrowpenetrates in a given target.Considering that an arrow hasgiven penetration potential,the actual depth of penetration willbe a function of the material and consistency of the target andthe manner or attitude of the arrow when it strikes the target.2.1.6 tip,nforward end of broadhead which may or maynot be a blade,but may be threaded to accept starter or pilotblade.3.Significance and Use3.1 This guide is not intended to be all-inclusive.There maybe additional aspects of performance and safety that need to beaddressed in order to have a comprehensive study of thesubject matter.3.2 The suggested preliminary guideline summaries thatfollow were developed by a consensus of bowhunters withmany years of field experience,industry people with knowl-edge in the design and manufacture of broadheads,andindividuals experienced in the distribution and retail areas ofthe business who have close contact with end users.4.Flight4.1 It is quite probable that well-directed straight-line flightis the most important characteristic of an arrow equipped witha broadhead.All other factors,such as good penetrationpotential and high-impact resistance,cannot be used to theirfull extent if the broadhead-equipped arrow does not strikewhere it is aimed.4.2 Straightness of flight also contributes to the performanceand humaneness of the broadhead in that it increases theprobability of hitting the target,and enhances penetrationpotential by reducing energy loss due to an angular impact.Straight flight may also contribute to safety.1This guide is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.16 on Archery Products.Current edition approved May 1,2013.Published August 2013.Originallyapproved in 1991.Last previous edition approved in 2008 as F1352 08.DOI:10.1520/F1352-08R13.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.3 Fundamental principles of aerodynamics should be ap-plied to any broadhead design and manufacture to achievestraightness of flight.Specifically,concentricity of the ferrule,balanced placement of the blade