ASTM F3544-21

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F3544 − 21
Standard Test Method for
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Hunting Saddle Static Load Capacity
This standard is issued under the fixed designation F3544; 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 5. Significance and Use
1.1 This test method covers the determination of the static
5.1 This test method is intended for quality assurance and
loadcapacityofhuntingsaddlesandbridgeintermsofafactor
production control purposes.
of safety relative to the manufacturer’s rated capacity.
6. Apparatus
1.2 The values shared are in inch-pound units and are to be
regarded as the standard. No other units of measurement are
6.1 Referring to Fig. 1, a hunting saddle test specimen is
included in this standard.
donned on the test weight torso as specified in Test Method
1.3 This standard does not purport to address all of the
F2337.
safety concerns, if any, associated with its use. It is the
6.2 The said test weight torso is rigidly mounted to a
responsibility of the user of this standard to establish appro-
referencesurface.Thetestweighttorsomaybesupportedfrom
priate safety, health, and environmental practices and deter-
a vertical and horizontal position to ensure no movement
mine the applicability of regulatory limitations prior to use.
occurs during the test execution.
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard- 6.3 A cable is attached to a minimum 3000 lb rated
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connectorwithadiameterof ⁄8in.Theconnectorisattachedto
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- thebridgeofthehuntingsaddle.Careshouldbetakentoensure
the connector is centered on the bridge.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
6.4 Apulley is rigidly mounted above the reference surface
locating the test weight torso. Care should be taken to ensure
2. Referenced Documents
the pully is aligned with the center of the test weight torso.
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2.1 ASTM Standards:
6.5 The cable is positioned over the pulley. The angle ɵ
F2337 Test Method for Treestand Fall Arrest System
equaling45°ismeasuredbetweenthereferencesurfaceandthe
F3543 Terminology Relating to Hunting Saddles
cabletoensureproperloadonthebridgeofthehuntingsaddle.
3. Terminology
6.6 The rated load equaling the rated load printed on the
3.1 Terminology and definitions applicable to this test
product label or in the manufacturer’s instructions shall be
method are referenced in Terminology F3543.
applied to the cable using calibrated weights or a mechanical
deviceinconjunctionwithacalibratedloadcell.Theloadshall
4. Summary of Test Method
beappliedaminimumof1ftabovethereferencesurfacewhen
4.1 A hunting saddle is donned on a rigidly mounted test
the load is fully engaged. Caution should be exercised for
weight torso. A cable is attached to the bridge of the hunting
operator protection with the use of weights in the case of
saddle.Thecableispositionedoverapulleyatadefinedangle.
slippage or premature failure.
A defined weight is suspended from the cable during a
6.7 The use of a mechanical device such as a tensile test
conditioning break-in period and during the static load evalu-
machine or hydraulic load device requires the use of a
ation period.
calibrated load cell to ensure the proper load is applied.
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This test method is under the jurisdiction of ASTM Committee F08 on Sports
Equipment, Playing Surfaces, and Facilities and is the direct responsibility of 7. Conditioning
Subcommittee F08.18 on Treestands.
7.1 Referring to Fig. 1, a load equal to the rated load
Current edition approved Dec. 1, 2021. Published February 2022. DOI: 10.1520/
F3544-21.
capacity shall be applied to the cable for a period of 5 min.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
During this conditioning period the operator is to observe the
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
huntingsaddleasthecomponentsthereofsettleintopositionas
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. a result of the load applied.
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F3544 − 21
FIG. 1 Test Setup
7.2 After the load has been applied for 5 min, the load sh
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