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ASTM_F_2564_-_14.pdf

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1、Designation:F256414Standard Specification forDesign and Performance of a Light Sport Glider1This standard is issued under the fixed designation F2564;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number

2、in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers airworthiness requirements forthe design of a powered or non-powered fixed wing light sportaircraft,a“glider.”1.2 This s

3、pecification is applicable to the design of a lightsport aircraft glider as defined by regulations and limited to dayVFR flight.1.3 A glider for the purposes of this specification is definedas a heavier than air aircraft that remains airborne through thedynamic reaction of the air with a fixed wing

4、and in which theability to remain aloft in free flight does not depend on thepropulsion from a power plant.A powered glider is defined forthe purposes of this specification as a glider equipped with apower plant in which the flight characteristics are those of aglider when the power plant is not in

5、operation.1.4 The values in SI units are to be regarded as the standard.The values in parenthesis are for information only.1.5 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-pr

6、iate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:2F2295 Practice for Continued Operational Safety Monitor-ing of a Light Sport AircraftF2316 Specification for Airframe Emergency ParachutesF2339 Practice

7、 for Design and Manufacture of Reciprocat-ing Spark Ignition Engines for Light Sport AircraftF2840 Practice for Design and Manufacture of ElectricPropulsion Units for Light Sport AircraftF2972 Specification for Light Sport Aircraft ManufacturersQuality Assurance System2.2 Other Standards:CS-22 Subpa

8、rt H Certification Specifications for Sailplanesand Powered Sailplanes33.Terminology3.1 Definitions:3.1.1 electric propulsion unit,EPUany electric motor andall associated devices used to provide thrust for an electricaircraft.3.1.2 energy storage device,ESDused to store energy aspart of a Electric P

9、ropulsion Unit(EPU).Typical energystorage devices include but are not limited to batteries,fuelcells or capacitors.3.1.3 featheringa single action from the cockpit thatrepositions the propeller blades to low drag configuration whenthe engine is not operating.3.1.4 flapsany movable high lift device.3

10、.1.5 maximum empty weight,WE(kg)largest emptyweight of the glider,including all operational equipment that isinstalled in the glider:weight of the airframe,powerplant,excluding energy storage device(ESD)for electric propulsionunit when removable,required equipment,optional and spe-cific equipment,fi

11、xed ballast,full engine coolant and oil,hydraulic fluid,and the unusable fuel.Hence,the maximumempty weight equals maximum takeoff weight minus minimumuseful load:WE=W WU.3.1.6 minimum useful load,WU(kg)where WU=W WE.3.1.7 The terms“engine”referring to internal combustionengines and“motor”referring

12、to electric motors for propulsionare used interchangeably within this standard.3.1.8 The term“engine idle”or“throttle closed”when inreference to electric propulsion units shall mean the minimumpower or propeller rotational speed condition for the electricmotor as defined without electronic braking o

13、f the propellerrotational speed.3.2 Abbreviations:3.2.1 AOIAircraft Operating Instructions3.2.2 ARAspect Ratio=b2/S1This specification is under the jurisdiction of ASTM Committee F37 on LightSport Aircraft and is the direct responsibility of Subcommittee F37.10 on Glider.Current edition approved Nov

14、.1,2014.Published November 2014.Originallyapproved in 2006.Last previous edition approved in 2013 as F2564 13.DOI:10.1520/F2564-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information

15、,refer to the standards Document Summary page onthe ASTM website.3Available from European Aviation Safety Agency(EASA),Postfach 10 12 53,D-50452 Koeln,Germany,http:/www.easa.eu.int/home.php.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1

16、3.2.3 bwing span(m)3.2.4 cchord(m)3.2.5 CAScalibrated air speed(m/s,kts)3.2.6 CLlift coefficient of the aircraft3.2.7 CDdrag coefficient of the aircraft3.2.8 CGcenter of gravity3.2.9 Cmmoment coefficient(Cmis with respect to c/4point,positive nose up)3.2.10 CMOzero lift moment coefficient3.2.11 Cnnormal coefficient3.2.12 gacceleration as a result of gravity=9.81 m/s23.2.13 IASindicated air speed(m/s,kts)3.2.14 ICAOInternational Civil Aviation Organization3.2.15 LSAlight sport aircraft3.2.16 nloa

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