I would like to add a voltage check before moving the flaps or landing
gear in data/Nasal/controls.nas. The proposed changes are underlined.
flapsDown = func {
if(arg[0] == 0) { return; }
_ if(getprop("/systems/electrical/outputs/flaps") < 8.0) {return; }
# Dave Perry added a check for voltage to the flaps 3/4/06
_ if(props.globals.getNode("/sim/flaps") != nil) {
stepProps("/controls/flight/flaps", "/sim/flaps", arg[0]);
return;
}
# Hard-coded flaps movement in 3 equal steps:
val = 0.3333334 * arg[0] + getprop("/controls/flight/flaps");
if(val > 1) { val = 1 } elsif(val < 0) { val = 0 }
setprop("/controls/flight/flaps", val);
}
I think even the default generic electrical system supplies voltage to
the flaps. The landing gear may be more problematic as the gear could
be hydrolic (and most of the electrical systems in fgfs don't supply
power to the landing gear). Here is that proposed change.
gearDown = func {
_ if(getprop("/systems/electrical/outputs/landing-gear") < 8.0)
{return; }
# Dave Perry added a check for voltage to the flaps 3/4/06
_ if (arg[0] < 0) {
setprop("/controls/gear/gear-down", 0);
} elsif (arg[0] > 0) {
setprop("/controls/gear/gear-down", 1);
}
}
Since the pa24-250 configs and nasal switches check for voltage for all
the other electrical devices, It bothered me that I could lower the
flaps and retract the gear with the master switch off.
If we model the electrical systems but the electrical devices continue
to work with no power, then modeling failures becomes difficult.
Comments?
Dave Perry
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