> This is news to me. Which instrument models the drift ? I thought none did
> , so I created a nasal gyro
> that drifts at 3 degrees/15 minutes for my own use. Apparently I haven't
> looked close enough at the instrument code .
>From heading_indicator.cxx:
// Next, calculate time-based precession
double offset = _offset_node->getDoubleValue();
offset -= dt * (0.25 / 60.0); // 360deg/day
SG_NORMALIZE_RANGE(offset, -360.0, 360.0);
Durk:
One outstanding feature of FlightGear is: it has so many features, even some
of our best developers don't know all of them ;-)
Torsten
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