R NASA Abbreviation

R has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of R in NASA.

Relief

A term for clearance or clearance angle OR Carved or molded ornament that projects from a flat surface.

NASA
Gas Constant

The coefficient "R" in the perfect gas equation: PV = MRT.

NASA
Rankine

A temperature scale, having a degree equal to the Fahrenheit degree but having a zero point at absolute zero. The freezing point of water is at 459.69oR. Scale of temperature It is the absolute Fahrenheit scale, starting from absolute zero at - 459.69 oF. Can be converted to degree Fahrenheit by the addition of 459.69 oF.

NASA
Ratio

Ratio is a mathematical instrument which helps compare the performance of two accounting results.

NASA
Rear

The aft part, the part furthest from the front\nExample: The rear part of the aircraft is called the aft section.

NASA
Redundant

Serving as a duplicate for preventing failure of an entire system or unintended actions. Can apply to pneumatic as well as electrical controls.

NASA
Regulate
NASA
Rehydratable
NASA
Roll

The movement of an aircraft around the fuselage longitudinal axis which elevates one wing or the other and used to initiate turning maneuvers. Movement of an aircraft about its longitudinal axis, representing a wing-over rolling action. The rotational movement of an airplane about its longitudinal axis. Also an aerobatic maneuver whereby the airplane is rolled about its longitudinal axis through 360 degrees, while trying to keep the thing in a straight line.

NASA
Yaw Rankine Rate
NASA

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