Fabric rejuvenator is used to restore the condition of dope coatings. restore fabric strength and
tautness to at least the minimum
acceptable level. penetrate the fabric and restore
fungicidal resistance.
Finishing tape (surface tape) is used for what purpose? To help prevent 'ripple formation' in
covering fabric. To provide additional wear
resistance over the edges of
fabric forming structures. To provide additional anti-tear
resistance under reinforcement
tape.
Moisture, mildew, chemicals, and acids have no effect on glass fabric. linen fabric. dacron fabric.
The best method of repair for a fabric-covered surface which
has an L-shaped tear, each leg of which is approximately 14
inches long, is to re-cover the entire bay in which the
tear is located. sew from the end of each leg to
the center of the tear with a
baseball stitch and then dope on
a patch. sew with a baseball stitch from the
center of the tear out toward the
extremity of each leg and then dope
on a patch.
The determining factor(s) for the selection of the correct
weight of textile fabric to be used in covering any type of
aircraft is the maximum wing loading. speed of the aircraft. speed of the aircraft and the
maximum wing loading.
The strength classification of fabrics used in aircraft covering
is based on bearing strength. shear strength. tensile strength.
When and how is finishing tape applied on a fabric-covered
aircraft? Sewed or laced on before dope is
applied. Doped on immediately prior to
the finish coat. Doped on after the first or second
coat of dope.
When dope-proofing the parts of the aircraft structure that
come in contact with doped fabric, which of the following
provide an acceptable protective coating? Aluminum foil and Resin impregnated
cloth tape. Any one-part type metal primer
and Cellulose tape. Aluminum foil and Cellulose tape.
When testing the strength of Grade A cotton fabric covering
an aircraft that requires only intermediate grade, the
minimum acceptable strength the fabric must have is 70 percent of its original strength. 70 percent of the original
strength for intermediate fabric. 56 pounds per inch warp and fill.
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