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COMPONENTS OF PARACHUTES
Figure 1-5.Suspension lines on 28-foot canopy

Aircrew Survival Equipmentman 2 - Aviation theories and other practices
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Figure 1-4.—Pilot chute. assemblies is the pilot chute, the canopy, the suspension lines, and the risers. A typical pilot chute is shown in figure 1-4. CANOPIES Five sizes of canopies are used in naval aviation. They are the 35-foot, 28-foot, 26-foot, 24-foot, and 17-foot sizes. The 28-foot canopy is the size dealt with in this chapter and is most commonly described as a polygon, having 28 sides, and a diameter of 28 feet plus or minus 1 inch. The 28-foot canopy contains approximately 796 square feet of nylon cloth, plus 2,400 yards of nylon thread. The sewing on a parachute varies from 8 to 10 stitches per inch. The cloth that is used in the construction of a parachute canopy is high-tensile strength, 1.1 ounce ripstop nylon. Ripstop nylon cloth must meet the following minimum requirements: tensile strength—42 1-6







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