ASTM F2506-2010 Standard Specification for Design and Testing of Fixed-Pitch or Ground Adjustable Light Sport Aircraft Propellers《固定间距或地面可调轻型运动飞机的螺旋桨设计和试验的标准规范》.pdf
《ASTM F2506-2010 Standard Specification for Design and Testing of Fixed-Pitch or Ground Adjustable Light Sport Aircraft Propellers《固定间距或地面可调轻型运动飞机的螺旋桨设计和试验的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM F2506-2010 Standard Specification for Design and Testing of Fixed-Pitch or Ground Adjustable Light Sport Aircraft Propellers《固定间距或地面可调轻型运动飞机的螺旋桨设计和试验的标准规范》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F2506 10Standard Specification forDesign and Testing of Fixed-Pitch or Ground AdjustableLight Sport Aircraft Propellers1This standard is issued under the fixed designation F2506; the number immediately following the designation indicates the year oforiginal adoption or, in the case of r
2、evision, 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 specification covers the establishment of the mini-mum requirements for the design, testing,
3、 and quality assur-ance of fixed-pitch or ground adjustable propellers for lightsport aircraft. These propellers are used on light aircraft, andcould be used with engines conforming to Practice F2339.1.2 This specification is intended for use by manufacturersof propellers for light sport aircraft.1.
4、3 This specification does not address the airframe instal-lation requirements for propellers.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 prac
5、tices and to determine theapplicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2F2339 Practice for Design and Manufacture of Reciprocat-ing Spark Ignition Engines for Light Sport Aircraft3. Terminology3.1 Definitions:3.1.1 blade, nthe aerodynamic portion of
6、a propellerwhich is rotated through and acts on the air.3.1.2 blade root, nthe portion of the blade that interfaceswith the hub and provides retention.3.1.3 conventional fixed pitch propeller, na one-piecefixed pitch propeller that is constructed of material such aswood or metal that has no abrupt c
7、hanges in material propertiesas the blades transition through the hub area.3.1.3.1 DiscussionA propeller with wooden bladesbonded to a metallic hub would not be conventional.3.1.4 fixed pitch propeller, na propeller with no capacityfor pitch setting adjustment.3.1.5 ground adjustable propeller, na p
8、ropeller whosepitch setting is adjustable only when the aircraft is on theground and the propeller is not rotating.3.1.6 hub, nany device that retains the blades of apropeller assembly.3.1.7 pitch setting, nthe propeller blade setting as deter-mined by the blade angle measured in a manner, and at ar
9、adius, specified by the instruction manual for the propeller.3.1.8 propeller, na device for propelling an aircraft thathas blades on an engine-driven shaft and that, when rotated,produces by its action on the air, a thrust approximatelyperpendicular to its plane of rotation.4. General4.1 Each manufa
10、cturer who claims compliance to this speci-fication must be able to show compliance with the applicablerequirements of this specification.4.2 Manufacturers must prepare and make available a list ofacceptable engine-propeller combinations.4.3 Manufacturers must prepare and make available anoperating
11、manual or manuals containing, at minimum, thefollowing information:4.3.1 An overall description of the propeller and its features.4.3.2 The mass moment of inertia of the propeller about itsrotational axis.1This specification is under the jurisdiction of ASTM Committee F37 on LightSport Aircraft and
12、is the direct responsibility of Subcommittee F37.70 on CrossCutting.Current edition approved May 15, 2010. Published June 2010. Originallyapproved in 2007. Last previous edition approved in 2007 as F2506 07. DOI:10.1520/F2506-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, o
13、rcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.3.3 Instruction
14、s for installation of the propeller.4.3.4 Instructions for operation of the propeller.4.3.5 The maximum allowable engine power and rotationalspeed and any other propeller operating limitations foundnecessary by the manufacturer for the safe operation of thepropeller.4.3.6 For ground adjustable prope
15、llers, instructions for pitchadjustment and the minimum and maximum pitch settingsallowed during operation.4.3.7 Instructions for removal of the propeller.4.4 Each manufacturer must prepare and make available amaintenance manual. The maintenance manual is intended toprovide for continued safe and pr
16、oper operation of the propel-ler throughout its life cycle and contains, at minimum, thefollowing content:4.4.1 A maintenance schedule that provides the recom-mended periods at which the propeller should be cleaned,adjusted, inspected, and tested.4.4.2 The applicable damage and wear allowances.4.4.3
17、 Any applicable maintenance and overhaul instruc-tions, which include the following:4.4.3.1 A list of tools needed.4.4.3.2 Skills or training required for personnel performingthe work.4.4.3.3 Inspections required.4.4.3.4 Details of repair and overhaul sequence and meth-ods.4.4.3.5 Applicable testing
18、 requirements.4.4.4 If a manufacturer deems it necessary to set mandatoryreplacement intervals of propellers or propeller components,the details of this requirement shall be stated in a separate,clearly distinguishable section entitled Life Limitations.5. Design and Construction5.1 Design FeaturesTh
19、e propeller may not have designfeatures that have been shown to be hazardous or unreliableunless the suitability of each questionable design detail or partcan be established by tests.5.2 MaterialsThe suitability and durability of materialsused in the propeller must:5.2.1 be established on the basis
20、of in-service experience ortests; and5.2.2 conform to documented specifications that ensure thatstrength and other material properties consistently meet orexceed those used in the initial design and qualification testing.5.3 DurabilityEach part of the propeller must be designedand constructed with c
21、onsideration of likely in-service damageand wear. The propeller must be able to operate normallybetween inspection and overhaul periods at the maximumdamage and wear limits published in the maintenance manual.5.4 Ground-Adjustable PropellersThe adjustment systemof a ground-adjustable propeller must
22、be designed such that nosingle failure or malfunction in that system during normal oremergency operation will result in unacceptable changes inpropeller blade pitch setting. Failure of structural elementsneed not be considered if the occurrence of such a failure isexpected to be extremely remote.5.5
23、 Propeller Strength and EndurancePropellers must beshown to have satisfactory endurance as well as stresses that donot exceed values shown to be safe for continuous operation inaccordance with the applicable requirements of Section 6, Testsand Inspections.6. Tests and Inspections6.1 General:6.1.1 Ea
24、ch manufacturer must be able to show that thepropeller concerned can complete the applicable tests andinspections of this section without evidence of failure ormalfunction.6.1.2 The minimum applicable testing and inspection re-quirements are outlined in Table 1 according to propellermaterial type.6.
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