Selecting
the Right Airbrush
Before choosing an air brush, consider the factors unique to your particular situation. What type of work will the air brush be used for? What type of materials will be sprayed through the air brush? What is the scale of the project? What is your level of experience? The list of terms below, the cut-away air brush diagram, and the reference chart will help you select the best air brush for your intended application.
INTERNAL
MIX
Indicates that air and paint mix inside the air brush. Air
and paint come together inside the head assembly to produce a thoroughly
atomized fine dot spray pattern.
EXTERNAL
MIX
Indicates that air and paint mix
outside the air brush. Air and paint come together outside the head, or fluid
assembly. External mix air brushes produce a larger dot spray pattern than
internal mix air brushes.
DUAL
ACTION
Refers to air brushes on which the trigger controls both air
and colour (down for air, back for colour). This simple manoeuvre allows the
artist to change the width of the line, the range of value and the opacity of
paint without stopping their hand motion.
SINGLE
ACTION
Refers to air brushes on which the trigger controls only the
air flow. When the trigger is depressed, a pre-set amount of fluid is sprayed.
The amount of fluid is regulated by turning the needle adjustment screw at the
back of the handle, or in case of an external mix air brush by turning the
fluid cap on the paint tip at the front of the air brush.
GRAVITY
FEED
Refers to air brushes with top-mounted colour cups in which
gravity draws paint into the air brush. Less air pressure is required enabling
slower hand movement which creates excellent control for fine detail
applications.
BOTTOM
FEED
Refers to air brushes on which paint enters through a siphon
tube or colour cup attached to the bottom of the air brush. Removable jars or
various size colour cups can be connected to and utilized with bottom feed air
brushes. This configuration is generally more versatile and enables the user to
change colours quickly.
SIDE
FEED
Refers to air brushes on which a small colour cup fits into
the side of the air brush. The side feed colour cup rotates enabling the user
to work on either a horizontal or vertical surface. The side feed configuration
also permits the user to achieve fine detail without the possible sight
obstruction of a top mounted colour cup.
No comments:
Post a Comment
Thank you for placing a comment on this Blog.