ASTM F1935-01
(Test Method)Standard Test Method for Measuring the Headroom of a Backpacking or Mountaineering Tent
Standard Test Method for Measuring the Headroom of a Backpacking or Mountaineering Tent
SCOPE
1.1 This test method covers tents for use in the sports of backpacking and mountaineering. It establishes requirements for the testing and marking of tents.
1.2 This test method may contain test methods that do not entirely simulate real life situations. This test method is designed to give reproducible results in a laboratory and thereby a means for product comparison.
1.3 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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An American National Standard
Designation:F1935–01
Standard Test Method for
Measuring the Headroom of a Backpacking or
1
Mountaineering Tent
This standard is issued under the fixed designation F 1935; 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 4.1.1 Styrofoam ball 6 inches in diameter (mean width of
2
male head = 6.1 in.).
1.1 This test method covers tents for use in the sports of
1
4.1.2 Tape Measure, ⁄4 in. Graduations—The tape is
backpacking and mountaineering. It establishes requirements
mounted into the bottom of the Styrofoam ball, and the first 6
for the testing and marking of tents.
inches are removed from the tape. In this way, the reading will
1.2 This test method may contain test methods that do not
be simple and accurate.
entirely simulate real life situations. This test method is
designed to give reproducible results in a laboratory and
5. Summary of Test Method
thereby a means for product comparison.
5.1 The tent should be pitched on a flat surface in accor-
1.3 This standard does not purport to address all of the
dance with the company’s supplied pitching instructions .
safety concerns, if any, associated with its use. It is the
5.2 The fixture shall be placed inside the tent. The ball is
responsibility of the user of this standard to establish appro-
raised until it comes into contact with the ceiling, wall, poles,
priate safety and health practices and determine the applica-
or any other obstructions inside the tent.
bility of regulatory limitations prior to use.
5.3 The tape measure will now be hanging directly below
2. Terminology the ball. The headroom measurement will be where the
measuring tape hits the tent floor. If the tent does not have a
2.1 Definitions of Terms Specific to This Standard:
floor, record the measurement to the surface the tent has been
2.1.1 tent—a portable shelter made primarily of fabric
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set up on.
weighing less than 3 oz/yd , designed to be carried by the
occupants for while backpacking or mountaineering.
6. Conditioning
2.1.2 usable headroom—the interior vertical measurement
6.1 Tests may be completed under ambient conditions. In
of a tent measured from the tent floor to the high point on the
cases of dispute, test samples shall be conditioned in accor-
ceiling using a simple fixture that simulates an average user’s
dance with 6.2.
head.
6.2 The tent samples are first erected and dried in an
3. Significance and Use atmosphere with a relative humidity of less than 10 % for a
minimum period of 24 h. They are then placed in an atmo-
3.1 This test method can be used to quantify and compare
sphere of 50 6 5 % relative humidity, 20 6 2 °C for a
headroom of backpacking and mountaineering tents. The
minimum period of 72 h. Tests may then be done outside the
measured headroom can be used as a manufacturing standa
...
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