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Glossary of Terms - P

Photofield

A technology that creates a flying field by using a panoramic photograph as a background for a flat terrain. RealFlight G2 offers you a choice of two display styles for airports: Photofield or 3D Terrains. 3D Terrains are more realistic, but Photofield may render more quickly if you have an older, slower computer or graphics card.

Pirouette

The yawing action of a helicopter that looks much like an ice skater. One Pirouette is equal to one 360-degree rotation.

Pistons

A piston is a crucial part of the internal mechanism of a shock absorber. The piston is mounted on the end of the 'shock shaft' and is typically a thin plastic disc with a number of holes drilled in it. Changing the piston for one with either larger, or smaller holes or a different number of holes can have a dramatic effect on the performance of the shock absorber.

Pitch Axis

The airplane axis controlled by the elevator. Pitch is illustrated by holding the airplane at each wingtip. Raising or lowering the nose is the pitch movement. This is how the climb or dive is controlled.

Plumb String

When you measure your aircraft for RealFlight, some measurements require that you have a reference line running straight up and down. To make such a line, we tie a weight to the free end of a string, and let the weight dangle. Because the string is then "plumb" (oriented straight up and down), we call it a "Plumb String". A Plumb String is particularly useful in measuring an aircraft's center of gravity.

Private Session

A multiplayer session that is not published on our list server. For a private session, the host must distribute his/her IP address to each participant, who must manually enter this information to join.

Propeller

Props are generally designated by two numbers (for instance, "10 - 6"). The first number is the prop's length (10" in the example). The second number is the pitch or angle of the blades. (In the example, "6" represents the distance the Propeller will move forward in one revolution, in this case 6".)

Public Session

A multiplayer session that is published on a list server.

Pylon Racing

An event (flying competition) in which pilots take turns flying their aircraft around a closed course. Pylons mark the course perimeter. The pilot that finishes the course first wins.

Page last updated: October 08, 2015


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