Variometer

Details Variometer Variometer

G - Physics

01

C

354/19

G01C 21/20 (2006.01) G01D 1/16 (2006.01) G01P 3/62 (2006.01) G05D 1/06 (2006.01)

Patent

CA 1119301

ABSTRACT OF THE DISCLOSURE The invention provides a rate-of-climb indicator for use in aircraft, comprising means for determining the actual instantaneous vertical speed of the aircraft, first indicating means for displaying said instantaneous vertical speed on a scale, means for determining the potential vertical speed h°T of the aircraft defined as Image where ET is the total energy of the aircraft, m is its mass, and g is the acceleration due to gravity, and second indicating means for displaying said potential vertical speed alongside said actual instantaneous vertical speed whereby the difference between the two speeds on the scale represents the acceleration or deceleration of the aircraft along its trajectory.

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