Fabric Flashcards
What is the strongest part of a wing
Spar
Where is fabric used today on airplanes?
Flight controls and Classic/Vintage airplanes
_________ ______ keeps the fabric in the right place
Reinforcing tape
What are the 2 types of Fabric?
Organic and Synthetic Fabrics
What is the problem with organic fabrics?
Susceptible to humidity changes
Certified fabric products must bear an ______________ ________
Identification stamp
What does “PMA” stand for?
Parts manufacturing approval
What is used to attach fabric to structure of aircraft?
Lacing and cords
What is made of a plastic type material, located on the bottom of the wing, used to gain access to internal parts of the structure?
Inspection rings
_______ _____________ are used to drain entrapped moisture from inside a covered structure
Drain grommets
______ is used to seal and protect aircraft fabric covering
Dope
________ are used to adhere the fabric edges to the structure of the aircraft
Cements
A thin dope-like substance that contains powerful solvents is called?
Rejuvenator
Which Fibres run vertically along the length of the fabric?
Warp Fibres
Which Fibres run Horizontally along the width of the fabric?
Fill (or woof or weft)
A ______ is a Cut, Fold, or Seam that is made Diagonal to the warp/fill threads
Bias
Which fibre runs Perpendicular to the Salvage Edge?
Fill
Which fibre runs Parallel to the Salvage Edge?
Warp Fibres
The woven edge of fabric, used to prevent the material from Unravelling during normal handling is called?
Salvage edge
The edge that’s been cut in a continuous series of “V’s” to prevent Unravelling is called?
Pinked Edge
_______________ is the process of dipping cotton yarn/fabric in a Heat Solution of Diluted Caustic Soda to cause material to Shrink/Strengthen it
Mercerization
__________ is the process of passing fabric through a series of Heated Rollers to give it a Smooth/Shiny finish
Calendaring
_______ is the measure of Fineness of yarns in a fabric
Denier
Which is Finer, 150 Denier Fabric, or 300 Denier Fabric?
150 Denier
Ends of fibres that are Loosened & Stick Up like short hairs are called?
Nap
_____ is a term used to describe a material applied to fabric that can Shrink Fabric, and cause it to be airtight & weatherproof
Dope
For a Major repair/Modification such as replacing fabric on entire airplane, Transport Canada requires that you use either _________ ______ or __________ _______
Approved Data or Specified Data
What is the difference between the Blanket Method and the Envelope Method?
The blanket method requires that seams be sewn, the envelope method is faster, as seams are sewn at manufacture
The __________ _______ is the most common type of stitch for hand sewing fabric seams
Baseball Stitch
In an aircraft with a Vne of over 250 Mph, what must be installed on top of the fabric where it is to be stitched to the ribs?
Anti-tear strips/reinforcing tape
You can determine Stitch/Rivet/Clip spacing using a ____ ________ ______________ ______
Rib Stitch Spacing Chart
Use ________ ______ to protect parts that shouldn’t get dope inside
Vynal Tape
________ Dope is usually applied first
Nitrate
Nitrate Dope has ________________ _________ as an additive to protect it from UV light
Aluminum Powder
Natural Fabrics are tightened through the application of ______
Water
Synthetic Fabrics are tightened through the use of _______, usually between _______ - _______ degrees Fahrenheit
Heat, 250 - 350
If you are finishing an organic fibre, the first coat of dope should have ____ __________ agent
Anti-Fungicidal
The last coat of dope should be ___________ ______
Butyrate Dopes
_______ _______ should be applied to the trailing edge, on the bottom
Drain Holes
The first Inspection that should be carried out is a ______ Inspection
Visual
The 2 Types of Field Testers are _________ and _______
Sayboth and Maule
_______ Tester uses a colour band to indicate the amount of force necessary to punch through the fabric
Sayboth
_____ Tester uses a calibrated scale
Maule
What is a con for the Sayboth Tester?
There is always a small hole left behind
A ___ _______ requires a 1x4 sample, and is subjected to tension tests
Lab Test
What is the minimum required strength by FAA?
70%
In a sewn repair, a new ______ must be applied
Patch
In a doped-on-patch repair, apply ______ on top of a tear
Dope
Where can you find out if the work you are doing is a major/minor undertaking/specialized work?
CAR 571.04 (Might not be on Test)
