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Glossary of Terms - R

RAM

Random Access Memory

RAMP

A software-only rendering technology that is usually faster than RGB. Please note: although it renders faster, it does so at the expense of quality.

RealFlight G2

This is the next generation R/C Flight Simulator produced by Great Planes.

RealPhysics

This is RealFlight's exclusive physics modeling technology. RealPhysics authentically replicates the actual physics of model aircraft by calculating hundreds of thousands of floating point operations each second while delivering sizzling real time performance.

RealRace

The Professional R/C Car Simulator produced by DuraTrax.

Refresh Rate

The number of times per second that your monitor retraces an image on its screen. This is different from the Frame Rate.

Resolution

When used in the context of screen Resolution, this term describes the picture quality of the screen. Lower Resolutions will produce an image that is not as sharp as higher Resolutions.

Ride Height

Ride Height refers to the distance between the ground and the bottom of your car's chassis when it is at rest. To check ride height - work your car's suspension up and down a few times, then drop it onto a flat surface from a height of about 12 inches. Some manufacturers will give you a reference point for checking ride height - e.g. Rear suspension arms level, or Drive shafts level. This can help you easily compare your ride height settings time after time.

Roll Axis

The airplane axis controlled by the ailerons. Roll is illustrated by holding the airplane by the nose and tail. Dropping either wingtip is the roll movement. Roll is used to bank or turn the airplane. In most airplanes, the ailerons control roll. However, when the main wing has dihedral, the plane can be banked using the rudder only. Consequently, many planes with wing dihedral do not have ailerons, and the rudder controls both roll and yaw. This is one reason why most trainer aircraft have a large amount of dihedral-a plane with large dihedral can be controlled using fewer input channels.

Rudder

Hinged control surface located at the trailing edge of the vertical stabilizer, which provides control of the airplane about the Yaw axis (causes the airplane to Yaw left or right). Left Rudder movement causes the airplane to Yaw left, and right Rudder movement causes it to Yaw right. 

Page last updated: October 08, 2015


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