Covering

Question 1

What types of fabric are used to cover aircraft?

Answer 1

Cotton

Linen

Question 2

Synthetic?

Answer 2

Fiberglass
Heat shrinkable synthetic
(Nylon, Orlon, Dacron)

Question 3

What determines quality of fabric and strength requirements?

Answer 3

VNE and loading

Question 4

What strength should be used in recovering?

Answer 4

Equal in quality and strength

Question 5

What is the fabric warp?

Answer 5

Direction along the length

Question 6

Purpose of reinforcing tape:

Answer 6

Prevent stitching cord from cutting fabric

Question 7

Types of machine-sewn seams?

Answer 7

French-fell, folded-fell, and overlap

Question 8

What structure prep for dope fabric?

Answer 8

Dope proof with paint or tape

Question 9

Where is surface tape used?

Answer 9

Sewed seams
Lapped edges
Ribbed stitching
Screws

Question 10

What is the advantage of the envelope method of covering?

Answer 10

Most sewing is done by machines

Question 11

When are anti-tear strips recommended?

Answer 11

VNE of more than 250 mph

Question 12

How are vent and drain holes reinforced?

Answer 12

Plastic, aluminum, or brass grommets

Question 13

How do you test fabric?

Answer 13

Punch test or lab test is results are marginal

Question 14

Max deterioration?

Answer 14

30%

Question 15

Type of fabric not affected by moisture or mildew?

Answer 15

Fiberglass

Question 16

What is the selvage edge?

Answer 16

Edge woven to Prevent raveling

Question 17

What rib lacing spacing is used when original is not known?

Answer 17

Chart AC 43.13-1B

Question 18

What tie off knot is used for rib stitching?

Answer 18

Modified seine used on all but starting stitching

Question 19

In which direction is the warp and selvage applied?

Answer 19

Parallel to flight TSO # on selvage edge