Amt 120 Flashcards by Skyler Sagmit

makes a statement about the aircraft and the person who owns or operates it.

Paint

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Paint is more than aesthetics;

it affects the weight of the aircraft and protects the integrity of the airfram

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is applied to protect the exposed surfaces from corrosion and deterioration.

Topcoat

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Also, a properly painted aircraft is?

Easier to clean and maintain.

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may reflect the owner’s ideas and color preferences for an amateur-built aircraft project, or it may be colors and identification for the recognition of a corporate or air carrier aircraft.

The paint scheme

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is a fast-evaporating colorless solvent. It is used as an ingredient in paint, nail polish, and varnish removers.

Acetone

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Paint has three components:

resin as coating material, pigment for color, and solvents to reduce the mix to a workable viscosity.

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It is a strong solvent for most plastics and is ideal for thinning fiberglass resin, polyester resins, vinyl, and adhesives.

Acetone

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is used in a general sense and includes primers, enamels, lacquers, and the various multipart finishing formulas.

paint

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also referred to as 2-Butanone, is a highly flammable, liquid solvent used in paint and varnish removers.

Methyl ethyl ketone (MEK),

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It is also used as a superglue remover. —– is a heavy-duty degreaser suitable for metal preparation and removing grease from fabric covering prior to doping.

Acetone

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is a slow-drying solvent that can be mixed with aircraft dope to retard drying of the dope film on humid days, thus preventing blushing.

Butanol, or butyl alcohol

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can be used as a disinfectant. It is used in the formulation of oxygen system cleaning solutions.

Isopropyl, or rubbing alcohol

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is a highly flammable, colorless liquid with a sweet odor. It is a product used in some paint and varnish removers.

Benzene

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is a highly flammable, colorless liquid with a sweet odor. It is a product used in some paint and varnish removers.

Benzene

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Sometimes referred to as white spirit, Stoddard solvent, or petroleum spirits, mineral spirits is a petroleum distillate used as a paint thinner and mild solvent.

Miniral Spirits

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is one of a wide variety of volatile hydrocarbon mixtures that is sometimes processed from coal tar but more often derived from petroleum.

Naptha

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It has been used as a paint remover in softening fluorescent-finish, clear-topcoat sealing materials.

Toluene

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is a colorless, volatile liquid completely miscible with a variety of other solvents.

Methylene Chloride

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It is widely used in paint strippers and as a cleaning agent/degreaser for metal parts.

Methylene Chloride

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is a clear, water-insoluble liquid with a distinct odor similar to that of benzene.

Toluene

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is obtained by distillation of wood from certain pine trees

Turpentine

It is a flammable, water-insoluble liquid solvent used as a thinner and quick-drier for varnishes, enamels, and other oil-based paints.

Turpentine

is the most commonly used carrier in oil paint. It makes the paint more fluid, transparent, and glossy.

Linseed Oil

is also used as a protective coating on the interior of metal tubing.

Linseed Oil

include a plethora of solvents used to reduce the viscosity of any one of the numerous types of primers, sub coats, and topcoats

Thinners

Some of the various primer types

is a transparent protective finish primarily used for finishing wood. It is available in interior and exterior grades

Varnish

dries slower than most other finishes.

Varnish

Importance of primer

A primer is the foundation of the finish. Its role is to bond to the surface, inhibit corrosion of metal, and provide an anchor point for the finish coats.

are water-thin coatings of phosphoric acid in solutions of vinyl butyral resin, alcohol, and other ingredients. They are very low in solids with almost no filling qualities.

Wash primers

is an alkyd resin-based coating that was developed for use over iron and steel located in mild environmental conditions. It has limited use in the aviation industry

Red Oxide Primer

This is a single component, non sanding primer compatible with a wide variety of topcoats. It fills minor imperfections, dries fast without shrinkage, and has high corrosion resistance. It is a good primer for composite substrates

Gray enamel undercoat

Urethane primer is also a two-part product that uses a chemical activator to cure. It is easy to sand and fills well.

Urethane

is a corrosion-resistant pigment that can be added to primers made of different resin types, such as epoxy, polyurethane, and alkyd. ---------------- primer was, at one time, the standard primer for aircraft painting.

Zinc Chromate

is a synthetic, thermosetting resin that produces tough, hard, chemical-resistant coatings and adhesives. It is recommended for use on steel tube frame aircraft prior to installing fabric covering.

Epoxy

Methods for applying finish

Dipping, Brushing, And spraying

The application of finishes by dipping is generally confined to factories or large repair stations. The process consists of dipping the part to be finished in a tank filled with the finishing material. Primer coats are frequently applied in this manner.

Dipping

------------has long been a satisfactory method of applying finishes to all types of surfaces. ---------------- is generally used for small repair work and on surfaces where it is not practicable to spray paint.

Brushing

---------- is the preferred method for a quality finish. ----------- is used to cover large surfaces with a uniform layer of material, which results in the most cost effective method of application.

Spraying

room in which components of an aircraft are painted, or it can be an aircraft hangar big enough to house the largest aircraft.

Paint Booth

using a conventional siphon feed spray gun should come from an air compressor with a storage tank big enough to provide an uninterrupted supply of air

Air Supply

air supply must be at least

90 psi

Providing how many Cubic feet per minute

10 CFM

Piston–type compressors are available with one-stage and multiple-stage compressors, various size motors, and various size supply tanks.

Air compressor

For large painting projects, such as spraying an entire aircraft, the quantity of mixed paint in a pressure tank provides many advantages. The setup allows a greater area to be covered without having to stop and fill the cup on a spray gun.

Large Coating Containers

The use of a piston-type air compressor for painting requires that the air supply lines include filters to remove water and oil.

System Air Filters

A top quality s-------- is a key component in producing a quality finish in any coating process. It is especially important when painting an aircraft because of the large area and varied surfaces that must be sprayed.

Spray Guns

is a conventional spray gun familiar to most people, with a one quart paint cup located below the gun.

Siphon feed gun

provides the same high-quality finish as a siphon-feed gun, but the paint supply is located in a cup on top of the gun and supplied by gravity

Gravity feed gun

To obtain the correct spray pattern, set the recommended air pressure on the gun, usually -------psi for a conventional gun.

40-50

Test the pattern of the gun by spraying a piece of masking paper taped to the wall. Hold the gun square to the wall approximately-------- to the surface

8-10 inches