Term
| What type of machine-sewed seams are used? |
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Definition
French or folded fell and plain overlap |
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Term
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Definition
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Term
| What two types of fabric are used for covering aircraft? |
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Definition
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Term
| What are synthetic fibers? |
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Definition
| Fiberglass and heat-shrinkable fibers such as Nylon, Orlon, and Dacron |
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Term
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Definition
| A standard modified seine knot on all stitches other than the starting stitch |
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Term
| What rib stitching spacing is used when the original spacing is unknown? |
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Definition
| Use the chart in the AC 43.13-1A |
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Term
| What type of fabric is not affected by moisture and mildew? |
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Definition
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Term
| What methods are used to check doped fabric? |
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Definition
| A punch tester or a lab test when results are marginal |
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Term
| When are anti-tear strips recommended? |
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Definition
| When the never-exceed speed exceeds 250 mph |
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Term
| Where is surface tape used? |
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Definition
Sewed seams and screws
Lapped edges and rib stitching |
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Term
| What is the advantage of the envelope method of covering wings? |
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Definition
| Practically all sewing is done by machine |
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Term
| What is the maximum permissible deterioration for used aircraft fabric? |
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Definition
| 30 percent of original fabric strength |
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Term
| What strength of fabric should be used for re-covering an aircraft? |
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Definition
| Equivalent strength used by the manufacturer and at least as good a quality |
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Term
| In which direction is the warp and selvage edge of aircraft fabric applied and what identification is usually found on the selvage edge? |
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Definition
| Parallel to line of flight with the TSO number recorded on the selvage edge |
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