ASTM F2538-07
(Practice)Standard Practice for Design and Manufacture of Reciprocating Compression Ignition Engines for Light Sport Aircraft
Standard Practice for Design and Manufacture of Reciprocating Compression Ignition Engines for Light Sport Aircraft
SCOPE
1.1 This practice covers minimum requirements for the design and manufacture of reciprocating compression ignition engines for light sport aircraft, day Visual Flight Rules (VFR) use.
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 determine the applicability of regulatory limitations prior to use.
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Standards Content (Sample)
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Designation:F2538–07
Standard Practice for
Design and Manufacture of Reciprocating Compression
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Ignition Engines for Light Sport Aircraft
This standard is issued under the fixed designation F 2538; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4.2 New Engine Model Designations:
4.2.1 Each new engine model must be qualified in accor-
1.1 This practice covers minimum requirements for the
dance with this practice.
design and manufacture of reciprocating compression ignition
4.2.2 Design or configuration changes that impact the in-
engines for light sport aircraft, day Visual Flight Rules (VFR)
stallation interface, performance, or operability of the engine
use.
require a new engine model designation.
1.2 This standard does not purport to address all of the
4.3 Design Changes of Parts—Each design change of a part
safety concerns, if any, associated with its use. It is the
or component of an engine model qualified to this practice
responsibility of the user of this standard to establish appro-
should be evaluated relative to the requirements of this
priate safety and health practices and determine the applica-
practice.
bility of regulatory limitations prior to use.
5. Data Requirements
2. Referenced Documents
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5.1 Retained Data—The following data and information
2.1 RTCA Documents:
should be retained on file at the manufacturer’s facility for a
RTCA DO-178 Software Considerations in Airborne Sys-
minimum of 18 years after production is discontinued:
tems and Equipment Certification
5.1.1 Drawings that define the engine configuration,
RTCA DO-254 Design Assurance Guidance for Airborne
5.1.2 Material and process specifications referenced in the
Electronic Hardware
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parts drawings, and
2.2 FAA Documents:
5.1.3 Engineering analyses and test data prepared for quali-
FAAAC 33.28–2 Guidance Material 14 CFR 33.28 Recip-
fication with this practice.
rocation Engines, Electrical and Electronic Control Sys-
5.2 Delivered Data—The following data should be deliv-
tems
ered to the airplane manufacturer to support design and
3. Significance and Use
operation of the applicable airplane.
5.2.1 An engine performance specification that defines the
3.1 This practice provides designers and manufacturers of
engine performance under all anticipated operating environ-
engines for light sport aircraft design references and criteria to
ments.
use in designing and manufacturing engines.
5.2.2 An installation manual that defines all functional and
3.2 Declaration of compliance is based on testing and
physical interface requirements of the engine. This should
documentation during the design and testing or flight-testing of
include an engine outline/installation drawing.
the engine type by the manufacturer or under the manufactur-
5.2.3 An operating manual that defines normal and abnor-
er’s guidance.
mal operating procedures and any applicable operating limita-
4. Engine Model Designation
tions; this manual shall include instructions for use of appro-
priate engine monitoring gauges, electronic or otherwise.
4.1 Engine Parts List—A parts list is required for each
5.2.4 A maintenance manual that defines periodic installed
engine model qualified in accordance with this practice.
maintenance, major inspection, overhaul intervals, and any
other maintenance limitations.
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This practice is under the jurisdiction ofASTM Committee F37 on Light Sport
5.2.5 If applicable (or if overhauls are authorized by the
Aircraft and is the direct responsibility of Subcommittee F37.70 on Cross Cutting.
manufacturer), an overhaul manual that provides instruction
Current edition approved Jan. 1, 2007. Published February 2007.
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Available from RTCA, Inc., 1828 L Street, NW, Suite 805, Washington, DC
for disassembling the engine to replace or repair, or both, parts
20036. www.rtca.org
as required to return the engine to airworthy condition that is
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Available from U.S. Department of Transportation, Federal Aviation Adminis-
safe for operation until the next major overhaul.
tration, 800 Independence Avenue, SW, Washington, DC 20591. www.faa.gov
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F2538–07
6. Design Criteria 6.8 Lubrication System:
6.8.1 The lubrication system of the engine must be designed
6.1 Materials—The materials used in the engine must be
and constructed so that it will function properly in all flight
adequate for the intended design conditions of the engine.
attitudes and atmospheric conditions in which the engine is
...
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