maximum gradability

maximum gradability

[′mak·sə·məm ‚grād·ə′bil·əd·ē]
(mechanical engineering)
Steepest slope a vehicle can negotiate in low gear; usually expressed in precentage of slope, namely, the ratio between the vertical rise and the horizontal distance traveled; sometimes expressed by the angle between the slope and the horizontal.
References in periodicals archive ?
Engineered to endure an approach angle of 37 degrees and a departure angle of 34 degrees, the Gurkha finds itself merrily negotiating a descend of over 35 degrees (Maximum gradability of Gurkha is 40 degrees).
It offers a 120,000-pound operating weight, 100% maximum gradability, and travel speeds of more than 7 mph.
Maximum speed is 16 km/hr and maximum gradability is 1:4.
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