ASTM F2506-10
(Specification)Standard Specification for Design and Testing of Fixed-Pitch or Ground Adjustable Light Sport Aircraft Propellers
Standard Specification for Design and Testing of Fixed-Pitch or Ground Adjustable Light Sport Aircraft Propellers
ABSTRACT
This specification covers the establishment of the minimum requirements for the design, testing, and quality assurance of fixed-pitch or ground adjustable propellers for light sport aircraft. The propeller may not have design features that have been shown to be hazardous or unreliable unless the suitability of each questionable design detail or part can be established by tests. Strength testing; stress measurement, fatigue strength, and fatigue analysis, endurance testing, and teardown inspection shall be performed to meet the requirements prescribed.
SCOPE
1.1 This specification covers the establishment of the minimum requirements for the design, testing, and quality assurance of fixed-pitch or ground adjustable propellers for light sport aircraft. These propellers are used on light aircraft, and could be used with engines conforming to Practice F2339.
1.2 This specification is intended for use by manufacturers of propellers for light sport aircraft.
1.3 This specification does not address the airframe installation requirements for propellers.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.
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Designation:F2506 −10
StandardSpecification for
Design and Testing of Fixed-Pitch or Ground Adjustable
1
Light Sport Aircraft Propellers
This standard is issued under the fixed designation F2506; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.3.1 Discussion—A propeller with wooden blades
bonded to a metallic hub would not be conventional.
1.1 This specification covers the establishment of the mini-
mum requirements for the design, testing, and quality assur- 3.1.4 fixed pitch propeller, n—a propeller with no capacity
ance of fixed-pitch or ground adjustable propellers for light
for pitch setting adjustment.
sport aircraft. These propellers are used on light aircraft, and
3.1.5 ground adjustable propeller, n—a propeller whose
could be used with engines conforming to Practice F2339.
pitch setting is adjustable only when the aircraft is on the
1.2 This specification is intended for use by manufacturers ground and the propeller is not rotating.
of propellers for light sport aircraft.
3.1.6 hub, n—any device that retains the blades of a propel-
1.3 This specification does not address the airframe instal- ler assembly.
lation requirements for propellers.
3.1.7 pitch setting, n—the propeller blade setting as deter-
1.4 This standard does not purport to address all of the
mined by the blade angle measured in a manner, and at a
safety concerns, if any, associated with its use. It is the
radius, specified by the instruction manual for the propeller.
responsibility of the user of this standard to establish appro-
3.1.8 propeller, n—a device for propelling an aircraft that
priate safety and health practices and to determine the
has blades on an engine-driven shaft and that, when rotated,
applicability of regulatory limitations prior to use.
produces by its action on the air, a thrust approximately
perpendicular to its plane of rotation.
2. Referenced Documents
2
2.1 ASTM Standards:
4. General
F2339 Practice for Design and Manufacture of Reciprocat-
4.1 Each manufacturer who claims compliance to this speci-
ing Spark Ignition Engines for Light Sport Aircraft
fication must be able to show compliance with the applicable
3. Terminology requirements of this specification.
3.1 Definitions:
4.2 Manufacturers must prepare and make available a list of
3.1.1 blade, n—the aerodynamic portion of a propeller
acceptable engine-propeller combinations.
which is rotated through and acts on the air.
4.3 Manufacturers must prepare and make available an
3.1.2 blade root, n—the portion of the blade that interfaces
operating manual or manuals containing, at minimum, the
with the hub and provides retention.
following information:
3.1.3 conventional fixed pitch propeller, n—a one-piece
4.3.1 An overall description of the propeller and its features.
fixed pitch propeller that is constructed of material such as
4.3.2 The mass moment of inertia of the propeller about its
woodormetalthathasnoabruptchangesinmaterialproperties
rotational axis.
as the blades transition through the hub area.
4.3.3 Instructions for installation of the propeller.
4.3.4 Instructions for operation of the propeller.
1 4.3.5 The maximum allowable engine power and rotational
This specification is under the jurisdiction of ASTM Committee F37 on Light
Sport Aircraft and is the direct responsibility of Subcommittee F37.70 on Cross
speed and any other propeller operating limitations found
Cutting.
necessary by the manufacturer for the safe operation of the
Current edition approved May 15, 2010. Published June 2010. Originally
propeller.
approved in 2007. Last previous edition approved in 2007 as F2506 – 07. DOI:
10.1520/F2506-10.
4.3.6 For ground adjustable propellers, instructions for pitch
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
adjustment and the minimum and maximum pitch settings
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
allowed during operation.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 4.3.7 Instructions for removal of the propeller.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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F2506−10
4.4 Each manufacturer must prepare and make available a 6.1.1 Each manufacturer must be able to show that the
maintenance manual. The maintenance manual is intended to propeller concerned can complete the applicable tests and
provide for continued safe and proper operation of the propel- inspections of this section without evidence
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:F2506–07 Designation: F2506 – 10
Standard Specification for
Design and Testing of Fixed-Pitch or Ground Adjustable
1
Light Sport Aircraft Propellers
This standard is issued under the fixed designation F2506; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers the establishment of the minimum requirements for the design, testing, and quality assurance of
fixed-pitch or ground adjustable propellers for light sport aircraft. These propellers are used on light aircraft, and could be used
with engines conforming to Practice F2339.
1.2 This specification is intended for use by manufacturers of propellers for light sport aircraft.
1.3 This specification does not address the airframe installation requirements for propellers.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
F2339 Practice for Design and Manufacture of Reciprocating Spark Ignition Engines for Light Sport Aircraft
3. Terminology
3.1 Definitions:
3.1.1 blade, n—the aerodynamic portion of a propeller which is rotated through and acts on the air.
3.1.2 blade root, n—the portion of the blade that interfaces with the hub and provides retention.
3.1.3 conventional fixed pitch propeller, n—a one-piece fixed pitch propeller that is constructed of material such as wood or
metal that has no abrupt changes in material properties as the blades transition through the hub area.
3.1.3.1 Discussion—A propeller with wooden blades bonded to a metallic hub would not be conventional.
3.1.4 fixed pitch propeller, n—a propeller with no capacity for pitch setting adjustment.
3.1.4
3.1.5 ground adjustable propeller, n—a propeller whose pitch setting is adjustable only when the aircraft is on the ground and
the propeller is not rotating.
3.1.5
3.1.6 hub, n—any device that retains the blades of a propeller assembly.
3.1.6
3.1.7 pitch setting, n—the propeller blade setting as determined by the blade angle measured in a manner, and at a radius,
specified by the instruction manual for the propeller.
3.1.7
3.1.8 propeller, n—a device for propelling an aircraft that has blades on an engine-driven shaft and that, when rotated, produces
by its action on the air, a thrust approximately perpendicular to its plane of rotation.
4. General
4.1 Each manufacturer who claims compliance to this specification must be able to show compliance with the applicable
requirements of this specification.
4.2 Manufacturers must prepare and make available a list of acceptable engine-propeller combinations.
1
This specification is under the jurisdiction of ASTM Committee F37 on Light Sport Aircraft and is the direct responsibility of Subcommittee F37.70 on Cross Cutting.
Current edition approved Jan. 1, 2007. Published February 2007. DOI: 10.1520/F2506-07.
Current edition approved May 15, 2010. Published June 2010. Originally approved in 2007. Last previous edition approved in 2007 as F2506 – 07. DOI:
10.1520/F2506-10.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
F2506 – 10
4.3 Manufacturers must prepare and make available an operating manual or manuals containing, at minimum, the following
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 its rotational axis.
4.3.3 Instructions for installation of the propeller.
4.3.4 Instructions for operation of the propeller.
4.3.5 The maximum allowable engine power and rotational speed and any other propeller operating limitations found necessary
by the manufacturer for the safe operation of the propeller.
4.3.6 For ground adjustable propellers, instructions for pitch adjustment and the minimum and maximum pitch settings
...
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