variable-speed with speed control
змінна регульована швидкість
змінна регульована швидкість
supersonic speed (exceeds speed of sound / Mach 1)
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
Nr gauge (Nr = speed of rotation) / rotor speed sensor
Motor PWM speed Separated from PID speed
Motor PWM speed Separated from PID speed
variable-time fuse / VT fuse (VT, also fuze)
variable operating and safety level