fly/fgdata
1
0
Fork 0
Code Activity
fgdata/Aircraft-yasim/yf23-yasim.xml

176 lines
7.2 KiB
XML
Raw Normal View History

Initial revision.
2003-04-21 14:18:07 +00:00
<!-- There weren't many YF23s - just the two prototypes - and I
couldn't find much 'hard' information so a lot of this fdm is
guess work (GW).
-->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<!-- Max take off wieght is 64000lb but I imagine that this
includes some weapons so I'm allocating 8000lb to his and
subtracting it from the max wieght.
Initial revision.
2003-04-21 14:18:07 +00:00
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
I got a figure of 24000lb for the fuel load from a web site.
this seems rather high to me but until I can get a better
figure it'll have to do.
Initial revision.
2003-04-21 14:18:07 +00:00
-->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<airplane mass="32000">
Initial revision.
2003-04-21 14:18:07 +00:00
<!-- Approach configuration -->
<!-- From GW & photos -->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<approach speed="130" aoa="5">
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-setting axis="/controls/engines/engine[0]/throttle" value="0.05"/>
<control-setting axis="/controls/engines/engine[1]/throttle" value="0.05"/>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-setting axis="/controls/engines/engine[0]/afterburner" value="0"/>
<control-setting axis="/controls/engines/engine[1]/afterburner" value="0"/>
<control-setting axis="/controls/flight/flaps" value="1"/>
<control-setting axis="/controls/flight/slats" value="0"/>
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-setting axis="/controls/gear/gear-down" value="1"/>
Initial revision.
2003-04-21 14:18:07 +00:00
</approach>
<!-- Cruise configuration -->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<cruise speed="900" alt="45000">
<control-setting axis="/controls/engines/engine[0]/throttle" value="1"/>
<control-setting axis="/controls/engines/engine[1]/throttle" value="1"/>
<control-setting axis="/controls/engines/engine[0]/afterburner" value="0"/>
<control-setting axis="/controls/engines/engine[1]/afterburner" value="0"/>
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-setting axis="/controls/flight/flaps" value="0.0"/>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-setting axis="/controls/flight/slats" value="0"/>
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-setting axis="/controls/gear/gear-down" value="0"/>
Initial revision.
2003-04-21 14:18:07 +00:00
</cruise>
<cockpit x="5.70" y="0.00" z="1.26"/>
<!-- Fuselage entries for the fuselage proper and the two
engine housings. The YF23 is basically a wing with
these three fuselage/housings, and the elevator. For
this reason I've started the wings from the center-line.
-->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<!-- Fuselage -->
Initial revision.
2003-04-21 14:18:07 +00:00
<fuselage ax="10.00" ay="0.00" az="0.00"
bx="-2.00" by="0.00" bz="0.00"
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
width="1.6" taper="0.5" midpoint="0.5"/>
<!-- Left engine housing -->
Initial revision.
2003-04-21 14:18:07 +00:00
<fuselage ax="-2.00" ay="1.80" az="0.00"
bx="-8.00" by="1.20" bz="0.60"
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
width="1.2" taper="0" midpoint="0.3"/>
<!-- Right engine housing -->
Initial revision.
2003-04-21 14:18:07 +00:00
<fuselage ax="-2.00" ay="-1.80" az="0.00"
bx="-8.00" by="-1.20" bz="0.60"
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
width="1.2" taper="0" midpoint="0.3"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<!-- GW stall characteristics -->
<!--
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<wing x="-2.00" y="0.00" z="0.25" length="6.66" chord="12.00"
taper="0.08" sweep="0" dihedral="0" camber="0" incidence="-0.4">
<stall aoa="35" width="3" peak="1.3"/>
<flap0 start="0.36" end="0.63" lift="1.1" drag="1.8"/>
<flap1 start="0.63" end="0.89" lift="1.1" drag="1.3"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<slat start="0.42" end="0.89" aoa="3" drag="1.1"/>
-->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<wing x="-2.00" y="2.40" z="0.25" length="4.2" chord="8.1"
taper="0.19" sweep="0" dihedral="0" camber="0.0" incidence="0.0">
<stall aoa="41" width="3" peak="1.3"/>
<flap0 start="0.0" end="0.42" lift="1.5" drag="1.5"/>
<flap1 start="0.42" end="0.833" lift="1.1" drag="1.3"/>
<slat start="0.14" end="0.833" aoa="3" drag="1.1"/>
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/flight/flaps" control="FLAP0"/>
<control-input axis="/controls/flight/aileron" control="FLAP1" split="true"/>
<control-input axis="/controls/flight/aileron-trim" control="FLAP1" split="true"/>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-input axis="/controls/flight/slats" control="SLAT"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-output control="FLAP0" prop="/surface-positions/flap-pos-norm"/>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-output control="FLAP1" side="left"
prop="/surface-positions/left-aileron-pos-norm"/>
<control-output control="FLAP1" side="right"
prop="/surface-positions/right-aileron-pos-norm"/>
<control-speed control="FLAP0" transition-time="2"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-speed control="FLAP1" transition-time="0.5"/>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-output control="SLAT" prop="/surface-positions/slat-pos-norm"/>
Initial revision.
2003-04-21 14:18:07 +00:00
</wing>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<hstab x="-8.70" y="2.40" z="0.36" length="3.30" chord="5.10"
taper="0.11" sweep="0" dihedral="40" camber="0.0" effectiveness="1">
<stall aoa="24" width="7" peak="1.3"/>
<flap0 start="0" end="1" lift="1.6" drag="1.4"/>
Initial revision.
2003-04-21 14:18:07 +00:00
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/flight/elevator" control="FLAP0"/>
<control-input axis="/controls/flight/elevator-trim" control="FLAP0"/>
Initial revision.
2003-04-21 14:18:07 +00:00
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-speed control="FLAP0" transition-time="0.5"/>
</hstab>
<!-- The only figures I've found for the F119-PW-100L give 35000lb
'class' with afterburner. The difference between the top speed
with and with out afterburner (mach 1.43 vs mach 2) suggests that
the afterburner ratio is << 2:1 so I've used a ratio suggested by
those mach speeds + plus a fudge factor = 0.7. Also, the engine has
thrust vectoring but I've not worked that out yet.
-->
<jet x="-6.26" y="1.20" z="0.60" mass="3000" thrust="24500" afterburner="35000">
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/engines/engine[0]/throttle" control="THROTTLE"/>
<control-input axis="/controls/engines/engine[0]/afterburner" control="REHEAT"/>
Initial revision.
2003-04-21 14:18:07 +00:00
</jet>
<jet x="-6.26" y="-1.20" z="0.60" mass="3000" thrust="24500" afterburner="35000">
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/engines/engine[1]/throttle" control="THROTTLE"/>
<control-input axis="/controls/engines/engine[1]/afterburner" control="REHEAT"/>
Initial revision.
2003-04-21 14:18:07 +00:00
</jet>
<!-- Front -->
<gear x="5.25" y="0.00" z="-2.25" compression="0.65" spring="2.0">
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/flight/rudder" control="STEER" square="true"/>
<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-output control="EXTEND" prop="/gear/gear[0]/position-norm"/>
<control-output control="STEER" prop="/gear/gear[0]/steering-norm"/>
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-speed control="EXTEND" transition-time="4"/>
Initial revision.
2003-04-21 14:18:07 +00:00
</gear>
<!-- Left main -->
<gear x="-2.20" y="1.92" z="-2.7" compression="1.2" spring="1.5">
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<control-input axis="/controls/gear/wheel[0]/brake" control="BRAKE"/>
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-output control="EXTEND" prop="/gear/gear[1]/position-norm"/>
<control-speed control="EXTEND" transition-time="4"/>
</gear>
<!-- Right main -->
Lee Elliott: I've attached an update for the yf23 and I think I've included all the right files - the model is unchanged (I think I'll eventually paint it in an imaginary NASA scheme, perhaps a bit like the HIDEC F-15, until I can get some newer pictures and see what they've done with it) so I've not included it again. The fdm still needs quite a bit of work - it can be a bit twitchy and wobbly at times, and the auto-pilot roll-out and smooth need tightening up, but it's flyable. Haven't tried landing it yet though;)
2003-05-28 15:09:30 +00:00
<gear x="-2.20" y="-1.92" z="-2.7" compression="1.2" spring="1.5">
<control-input axis="/controls/gear/wheel[1]/brake" control="BRAKE"/>
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-output control="EXTEND" prop="/gear/gear[2]/position-norm"/>
<control-speed control="EXTEND" transition-time="4"/>
</gear>
<!-- Canopy -->
<gear x="4.1" y="0.0" z="1.05" retract-time="7" compression="0.6">
Fixes from Andy Ross: + The wing stall angle was weird, as mentioned earlier. Values greater than 45° don't have much physical meaning. I changed it to 25, which should be closer to a realistic value. + The lift="1.1" on the elevator flaps wasn't quite enough to get the aircraft into the approach AoA. I changed it to 1.2, and it works. It's still not as responsive as I'd have expected (then again, this is a big aircraft...). + The hstab effectiveness was negative. This is wrong, as this is a multiplier for all force generated by the surface. A surface with a negative value will produce thrust instead of drag. :) Maybe this was needed because the elevator was rigged backwards somewhere else? I changed it + The wing and hstab had very small stall widths (very sharp stalls). Low aspect wings should have gentle stalls, not sharp ones. I changed it to 15 as a guess. + There's no rudder input mapped. This can be done with a "split" input to the tails in exactly the same way that the aireron works on the wing. It will simply add to the elevator input. V-tail Bonanzas will require the same treatment.
2003-04-21 17:39:39 +00:00
<control-input axis="/controls/gear/parking-brake" control="EXTEND"/>
Initial revision.
2003-04-21 14:18:07 +00:00
<control-speed control="EXTEND" transition-time="10"/>
<control-output control="EXTEND" prop="/canopy/position-norm"/>
</gear>
<!-- The locations and capcities are GW. -->
<!-- Fuselage tank -->
<tank x="1.5" y="0" z="0.68" jet="true" capacity="8000"/>
<!-- Left wing tank -->
<tank x="-1.40" y="2" z="0.0" jet="true" capacity="8000"/>
<!-- Right wing tank -->
<tank x="-1.40" y="-2" z="0.0" jet="true" capacity="8000"/>
<!-- Avionics -->
<ballast x="4" y="0" z="0.6" mass="3000"/>
<!-- Cockpit and radar -->
<ballast x="7" y="0" z="0.2" mass="1500"/>
<!-- Pilot -->
<ballast x="5.8" y="0" z="0.6" mass="200"/>
<!-- Trim ballast -->
<ballast x="6" y="0" z="0.0" mass="1000"/>
</airplane>
Copy permalink