Beechcraft KingAir 350
Re: Beechcraft KingAir 350
Awesome
https://raw.githubusercontent.com/IAHM-COL/gpg-pubkey/master/pubkey.asc
R.M.S.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it?
R.M.S.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it?
Re: Beechcraft KingAir 350
It has worked 100% on sounds 
-remove unusable sounds.
-Add New Sounds.
-Improve Sound.
-Improve and Fix Views.
-Add New Code Multiplayer.
-remove unusable sounds.
-Add New Sounds.
-Improve Sound.
-Improve and Fix Views.
-Add New Code Multiplayer.
New Boeing 737 800
https://github.com/YV3399/737-800YV
https://github.com/YV3399/737-800YV
Re: Beechcraft KingAir 350
Hey Gabriel
Nice update
Thanks
Nice update
Thanks
https://raw.githubusercontent.com/IAHM-COL/gpg-pubkey/master/pubkey.asc
R.M.S.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it?
R.M.S.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it?
Re: Beechcraft KingAir 350
The Colombian Army (Ejercito de Colombia) Livery
https://raw.githubusercontent.com/IAHM-COL/gpg-pubkey/master/pubkey.asc
R.M.S.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it?
R.M.S.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it?
Re: Beechcraft KingAir 350
@IAHM-COL Your Welcome
wow Very good Job, great livery
wow Very good Job, great livery
New Boeing 737 800
https://github.com/YV3399/737-800YV
https://github.com/YV3399/737-800YV
Re: Beechcraft KingAir 350
Just a stupid question, how to set a ballast?
Re: Beechcraft KingAir 350
@IAHM-COL comes more'm working lights and new effects 
New Boeing 737 800
https://github.com/YV3399/737-800YV
https://github.com/YV3399/737-800YV
Re: Beechcraft KingAir 350
@JWOCKY:
Here's what I did for the FDM, it still bears a bit to the back-right and the elevator has close to 0 effect, but I have to less JSB knowledge to correct these, could you do it? ,)
Here's what I did for the FDM, it still bears a bit to the back-right and the elevator has close to 0 effect, but I have to less JSB knowledge to correct these, could you do it? ,)
Code: Select all
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="http://jsbsim.sourceforge.net/JSBSim.xsl"?>
<fdm_config name="unnamed" version="2.0" release="ALPHA"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
<fileheader>
<author> Aeromatic v 0.95 </author>
<filecreationdate>2016-08-23</filecreationdate>
<version>$Revision: 1.15 $</version>
<description> Models a unnamed. </description>
</fileheader>
<!--
File: KingAir-350.xml
Inputs:
name: KingAir 350
type: multi-engine prop transport
max weight: 15000.0 lb
wing span: 57.95 ft
length: 46.66 ft
wing area: 310 sq-ft
gear type: tricycle
retractable?: yes
# engines: 2
engine type: turboprop
engine layout: wings
yaw damper? no
Outputs:
wing loading: 48.39 lb/sq-ft
payload: 1305.0 lbs
CL-alpha: 4.9 per radian
CL-0: 0.24
CL-max: 1.4
CD-0: 0.025
K: 0.039
-->
<metrics>
<wingarea unit="FT2"> 310.00 </wingarea>
<wingspan unit="FT" > 57.95 </wingspan>
<wing_incidence> 6.00 </wing_incidence>
<chord unit="FT" > 5.85 </chord>
<htailarea unit="FT2"> 68.00 </htailarea>
<htailarm unit="FT" > 18.45 </htailarm>
<vtailarea unit="FT2"> 24.85 </vtailarea>
<vtailarm unit="FT" > 23.33 </vtailarm>
<location name="AERORP" unit="IN">
<x> 0.0 </x>
<y> 0.00 </y>
<z> 0.00 </z>
</location>
<location name="EYEPOINT" unit="IN">
<x> 44.79 </x>
<y> -24.00 </y>
<z> 65.00 </z>
</location>
<location name="VRP" unit="IN">
<x>0</x>
<y>0</y>
<z>0</z>
</location>
</metrics>
<mass_balance>
<ixx unit="SLUG*FT2"> 26392 </ixx>
<iyy unit="SLUG*FT2"> 20469 </iyy>
<izz unit="SLUG*FT2"> 46381 </izz>
<emptywt unit="LBS" > 9885 </emptywt>
<location name="CG" unit="M">
<x> -3.1</x>
<y> 0.00 </y>
<z> -0.57938 </z>
</location>
<pointmass name="Payload">
<description> 1305 LBS + full (3810 LBS) fuel should bring model up to entered max weight</description>
<weight unit="LBS"> 652.5 </weight>
<location name="POINTMASS" unit="M">
<x> -3 </x>
<y> 0.00 </y>
<z> 0.0 </z>
</location>
</pointmass>
</mass_balance>
<ground_reactions>
<contact type="BOGEY" name="NOSE">
<location unit="M">
<x> -6.64082 </x>
<y> 0.00 </y>
<z> -1.81689 </z>
</location>
<static_friction> 0.80 </static_friction>
<dynamic_friction> 0.50 </dynamic_friction>
<rolling_friction> 0.02 </rolling_friction>
<spring_coeff unit="LBS/FT"> 4500.00 </spring_coeff>
<damping_coeff unit="LBS/FT/SEC"> 7500.00 </damping_coeff>
<max_steer unit="DEG"> 45.00 </max_steer>
<brake_group>NONE</brake_group>
<retractable>1</retractable>
</contact>
<contact type="BOGEY" name="LEFT_MAIN">
<location unit="M">
<x> -1.91892 </x>
<y>-2.77772</y>
<z> -1.8049 </z>
</location>
<static_friction> 0.80 </static_friction>
<dynamic_friction> 0.50 </dynamic_friction>
<rolling_friction> 0.02 </rolling_friction>
<spring_coeff unit="LBS/FT"> 15000.00 </spring_coeff>
<damping_coeff unit="LBS/FT/SEC"> 7500.00 </damping_coeff>
<max_steer unit="DEG">0</max_steer>
<brake_group>LEFT</brake_group>
<retractable>1</retractable>
</contact>
<contact type="BOGEY" name="RIGHT_MAIN">
<location unit="M">
<x> -1.91892 </x>
<y>-2.77772</y>
<z> -1.8049 </z>
</location>
<static_friction> 0.80 </static_friction>
<dynamic_friction> 0.50 </dynamic_friction>
<rolling_friction> 0.02 </rolling_friction>
<spring_coeff unit="LBS/FT"> 15000.00 </spring_coeff>
<damping_coeff unit="LBS/FT/SEC"> 7500.00 </damping_coeff>
<max_steer unit="DEG">0</max_steer>
<brake_group>RIGHT</brake_group>
<retractable>1</retractable>
</contact>
<contact type="STRUCTURE" name="LEFT_WING">
<location unit="M">
<x> -2.25297 </x>
<y> -8.83521 </y>
<z> 0.13229 </z>
</location>
<static_friction> 1.00 </static_friction>
<dynamic_friction> 1.00 </dynamic_friction>
<spring_coeff unit="LBS/FT"> 15000.00 </spring_coeff>
<damping_coeff unit="LBS/FT/SEC"> 15000.00 </damping_coeff>
</contact>
<contact type="STRUCTURE" name="RIGHT_WING">
<location unit="M">
<x> -2.25297 </x>
<y> 8.83521 </y>
<z> 0.13229 </z>
</location>
<static_friction> 1.00 </static_friction>
<dynamic_friction> 1.00 </dynamic_friction>
<spring_coeff unit="LBS/FT"> 15000.00 </spring_coeff>
<damping_coeff unit="LBS/FT/SEC"> 15000.00 </damping_coeff>
</contact>
</ground_reactions>
<propulsion>
<engine file="PW_PT6A-60">
<location unit="M">
<x> -4.1969 </x>
<y>-2.76458 </y>
<z> -0.25374</z>
</location>
<orient unit="DEG">
<pitch> 0.00 </pitch>
<roll> 0.00 </roll>
<yaw> 0.00 </yaw>
</orient>
<feed>0</feed>
<thruster file="Prop_L10">
<location unit="M">
<x> -5.45496 </x>
<y> -2.74939 </y>
<z> -0.18085 </z>
</location>
<orient unit="DEG">
<pitch> 0.00 </pitch>
<roll> 0.00 </roll>
<yaw> 0.00 </yaw>
</orient>
</thruster>
</engine>
<engine file="PW_PT6A-60">
<location unit="M">
<x> -4.1969 </x>
<y>2.76458 </y>
<z> -0.25374</z>
</location>
<orient unit="DEG">
<pitch> 0.00 </pitch>
<roll> 0.00 </roll>
<yaw> 0.00 </yaw>
</orient>
<feed>1</feed>
<thruster file="Prop_L10">
<location unit="M">
<x> -5.45496 </x>
<y> 2.74939 </y>
<z> -0.18085 </z>
</location>
<orient unit="DEG">
<pitch> 0.00 </pitch>
<roll> 0.00 </roll>
<yaw> 0.00 </yaw>
</orient>
</thruster>
</engine>
<tank type="FUEL" number="0">
<location unit="M">
<x> -1.97584 </x>
<y> -5.71787 </y>
<z> -0.12133 </z>
</location>
<capacity unit="LBS"> 1270.00 </capacity>
<contents unit="LBS"> 635.00 </contents>
</tank>
<tank type="FUEL" number="1">
<location unit="M">
<x>-1.6858 </x>
<y> -2.17981 </y>
<z> -0.44779 </z>
</location>
<capacity unit="LBS"> 786.65 </capacity>
<contents unit="LBS"> 786.65 </contents>
</tank>
<tank type="FUEL" number="2">
<location unit="M">
<x>-1.6858 </x>
<y> 2.17981 </y>
<z> -0.44779 </z>
</location>
<capacity unit="LBS"> 786.65 </capacity>
<contents unit="LBS"> 786.65 </contents>
</tank>
<tank type="FUEL" number="3">
<location unit="M">
<x> -1.97584 </x>
<y> 5.71787 </y>
<z> -0.12133 </z>
</location>
<capacity unit="LBS"> 786.65 </capacity>
<contents unit="LBS"> 786.65 </contents>
</tank>
</propulsion>
<flight_control name="FCS: unnamed">
<channel name="Pitch">
<summer name="Pitch Trim Sum">
<input>fcs/elevator-cmd-norm</input>
<input>fcs/pitch-trim-cmd-norm</input>
<clipto>
<min> -1 </min>
<max> 1 </max>
</clipto>
</summer>
<aerosurface_scale name="Elevator Control">
<input>fcs/pitch-trim-sum</input>
<range>
<min> -0.35 </min>
<max> 0.35 </max>
</range>
<output>fcs/elevator-pos-rad</output>
</aerosurface_scale>
<aerosurface_scale name="elevator normalization">
<input>fcs/elevator-pos-rad</input>
<domain>
<min> -0.35 </min>
<max> 0.35 </max>
</domain>
<range>
<min> -1 </min>
<max> 1 </max>
</range>
<output>fcs/elevator-pos-norm</output>
</aerosurface_scale>
</channel>
<channel name="Roll">
<summer name="Roll Trim Sum">
<input>fcs/aileron-cmd-norm</input>
<input>fcs/roll-trim-cmd-norm</input>
<clipto>
<min> -1 </min>
<max> 1 </max>
</clipto>
</summer>
<aerosurface_scale name="Left Aileron Control">
<input>fcs/roll-trim-sum</input>
<range>
<min> -0.35 </min>
<max> 0.35 </max>
</range>
<output>fcs/left-aileron-pos-rad</output>
</aerosurface_scale>
<aerosurface_scale name="Right Aileron Control">
<input>fcs/roll-trim-sum</input>
<range>
<min> -0.35 </min>
<max> 0.35 </max>
</range>
<output>fcs/right-aileron-pos-rad</output>
</aerosurface_scale>
<aerosurface_scale name="left aileron normalization">
<input>fcs/left-aileron-pos-rad</input>
<domain>
<min> -0.35 </min>
<max> 0.35 </max>
</domain>
<range>
<min> -1 </min>
<max> 1 </max>
</range>
<output>fcs/left-aileron-pos-norm</output>
</aerosurface_scale>
<aerosurface_scale name="right aileron normalization">
<input>fcs/right-aileron-pos-rad</input>
<domain>
<min> -0.35 </min>
<max> 0.35 </max>
</domain>
<range>
<min> -1 </min>
<max> 1 </max>
</range>
<output>fcs/right-aileron-pos-norm</output>
</aerosurface_scale>
</channel>
<channel name="Yaw">
<summer name="Rudder Command Sum">
<input>fcs/rudder-cmd-norm</input>
<input>fcs/yaw-trim-cmd-norm</input>
<clipto>
<min> -1 </min>
<max> 1 </max>
</clipto>
</summer>
<aerosurface_scale name="Rudder Control">
<input>fcs/rudder-command-sum</input>
<range>
<min> -0.35 </min>
<max> 0.35 </max>
</range>
<output>fcs/rudder-pos-rad</output>
</aerosurface_scale>
<aerosurface_scale name="rudder normalization">
<input>fcs/rudder-pos-rad</input>
<domain>
<min> -0.35 </min>
<max> 0.35 </max>
</domain>
<range>
<min> -1 </min>
<max> 1 </max>
</range>
<output>fcs/rudder-pos-norm</output>
</aerosurface_scale>
</channel>
<channel name="Flaps">
<kinematic name="Flaps Control">
<input>fcs/flap-cmd-norm</input>
<traverse>
<setting>
<position> 0 </position>
<time> 0 </time>
</setting>
<setting>
<position> 15 </position>
<time> 4 </time>
</setting>
<setting>
<position> 30 </position>
<time> 3 </time>
</setting>
</traverse>
<output>fcs/flap-pos-deg</output>
</kinematic>
<aerosurface_scale name="flap normalization">
<input>fcs/flap-pos-deg</input>
<domain>
<min> 0 </min>
<max> 30 </max>
</domain>
<range>
<min> 0 </min>
<max> 1 </max>
</range>
<output>fcs/flap-pos-norm</output>
</aerosurface_scale>
</channel>
<channel name="Landing Gear">
<kinematic name="Gear Control">
<input>gear/gear-cmd-norm</input>
<traverse>
<setting>
<position> 0 </position>
<time> 0 </time>
</setting>
<setting>
<position> 1 </position>
<time> 5 </time>
</setting>
</traverse>
<output>gear/gear-pos-norm</output>
</kinematic>
</channel>
<channel name="Speedbrake">
<kinematic name="Speedbrake Control">
<input>fcs/speedbrake-cmd-norm</input>
<traverse>
<setting>
<position> 0 </position>
<time> 0 </time>
</setting>
<setting>
<position> 1 </position>
<time> 1 </time>
</setting>
</traverse>
<output>fcs/speedbrake-pos-norm</output>
</kinematic>
</channel>
</flight_control>
<aerodynamics>
<axis name="LIFT">
<function name="aero/force/Lift_alpha">
<description>Lift due to alpha</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<table>
<independentVar lookup="row">aero/alpha-rad</independentVar>
<tableData>
-0.20 -0.740
0.00 0.240
0.24 1.400
0.60 0.704
</tableData>
</table>
</product>
</function>
<function name="aero/force/Lift_flap">
<description>Delta Lift due to flaps</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>fcs/flap-pos-deg</property>
<value> 0.02000 </value>
</product>
</function>
<function name="aero/force/Lift_speedbrake">
<description>Delta Lift due to speedbrake</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>fcs/speedbrake-pos-norm</property>
<value>0</value>
</product>
</function>
<function name="aero/force/Lift_elevator">
<description>Lift due to Elevator Deflection</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>fcs/elevator-pos-rad</property>
<value>0.2</value>
</product>
</function>
</axis>
<axis name="DRAG">
<function name="aero/force/Drag_basic">
<description>Drag at zero lift</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<table>
<independentVar lookup="row">aero/alpha-rad</independentVar>
<tableData>
-1.57 1.500
-0.26 0.033
0.00 0.025
0.26 0.033
1.57 1.500
</tableData>
</table>
</product>
</function>
<function name="aero/force/Drag_induced">
<description>Induced drag</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>aero/cl-squared</property>
<value>0.039</value>
</product>
</function>
<function name="aero/force/Drag_mach">
<description>Drag due to mach</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<table>
<independentVar lookup="row">velocities/mach</independentVar>
<tableData>
0.00 0.000
0.70 0.000
1.10 0.023
1.80 0.015
</tableData>
</table>
</product>
</function>
<function name="aero/force/Drag_flap">
<description>Drag due to flaps</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>fcs/flap-pos-deg</property>
<value> 0.00117 </value>
</product>
</function>
<function name="aero/force/Drag_gear">
<description>Drag due to gear</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>gear/gear-pos-norm</property>
<value>0.023</value>
</product>
</function>
<function name="aero/force/Drag_speedbrake">
<description>Drag due to speedbrakes</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>fcs/speedbrake-pos-norm</property>
<value>0.025</value>
</product>
</function>
<function name="aero/force/Drag_beta">
<description>Drag due to sideslip</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<table>
<independentVar lookup="row">aero/beta-rad</independentVar>
<tableData>
-1.57 1.230
-0.26 0.050
0.00 0.000
0.26 0.050
1.57 1.230
</tableData>
</table>
</product>
</function>
<function name="aero/force/Drag_elevator">
<description>Drag due to Elevator Deflection</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<abs><property>fcs/elevator-pos-norm</property></abs>
<value>0.04</value>
</product>
</function>
</axis>
<axis name="SIDE">
<function name="aero/force/Side_beta">
<description>Side force due to beta</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>aero/beta-rad</property>
<value>-1</value>
</product>
</function>
</axis>
<axis name="ROLL">
<function name="aero/moment/Roll_beta">
<description>Roll moment due to beta</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>aero/beta-rad</property>
<value>-0.1</value>
</product>
</function>
<function name="aero/moment/Roll_damp">
<description>Roll moment due to roll rate</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>aero/bi2vel</property>
<property>velocities/p-aero-rad_sec</property>
<value>-0.4</value>
</product>
</function>
<function name="aero/moment/Roll_yaw">
<description>Roll moment due to yaw rate</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>aero/bi2vel</property>
<property>velocities/r-aero-rad_sec</property>
<value>0.15</value>
</product>
</function>
<function name="aero/moment/Roll_aileron">
<description>Roll moment due to aileron</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>fcs/left-aileron-pos-rad</property>
<value>0.15</value>
</product>
</function>
<function name="aero/moment/Roll_rudder">
<description>Roll moment due to rudder</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>fcs/rudder-pos-rad</property>
<value>0.01</value>
</product>
</function>
</axis>
<axis name="PITCH">
<function name="aero/moment/Pitch_alpha">
<description>Pitch moment due to alpha</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/cbarw-ft</property>
<property>aero/alpha-rad</property>
<value>-0.4</value>
</product>
</function>
<function name="aero/moment/Pitch_elevator">
<description>Pitch moment due to elevator</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/cbarw-ft</property>
<property>fcs/elevator-pos-rad</property>
<table>
<independentVar lookup="row">velocities/mach</independentVar>
<tableData>
0.0 -1.000
2.0 -0.250
</tableData>
</table>
</product>
</function>
<function name="aero/moment/Pitch_damp">
<description>Pitch moment due to pitch rate</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/cbarw-ft</property>
<property>aero/ci2vel</property>
<property>velocities/q-aero-rad_sec</property>
<value>-22</value>
</product>
</function>
<function name="aero/moment/Pitch_alphadot">
<description>Pitch moment due to alpha rate</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/cbarw-ft</property>
<property>aero/ci2vel</property>
<property>aero/alphadot-rad_sec</property>
<value>-8</value>
</product>
</function>
</axis>
<axis name="YAW">
<function name="aero/moment/Yaw_beta">
<description>Yaw moment due to beta</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>aero/beta-rad</property>
<value>0.12</value>
</product>
</function>
<function name="aero/moment/Yaw_damp">
<description>Yaw moment due to yaw rate</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>aero/bi2vel</property>
<property>velocities/r-aero-rad_sec</property>
<value>-0.15</value>
</product>
</function>
<function name="aero/moment/Yaw_rudder">
<description>Yaw moment due to rudder</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>fcs/rudder-pos-rad</property>
<value>-0.1</value>
</product>
</function>
<function name="aero/moment/Yaw_aileron">
<description>Adverse yaw</description>
<product>
<property>aero/qbar-psf</property>
<property>metrics/Sw-sqft</property>
<property>metrics/bw-ft</property>
<property>fcs/left-aileron-pos-rad</property>
<value>-0.008</value>
</product>
</function>
</axis>
</aerodynamics>
<external_reactions>
</external_reactions>
</fdm_config>
Re: Beechcraft KingAir 350
New Lights http://imgur.com/a/pK0bN
New Boeing 737 800
https://github.com/YV3399/737-800YV
https://github.com/YV3399/737-800YV
Re: Beechcraft KingAir 350
D-ECHO wrote:Just a stupid question, how to set a ballast?
Code: Select all
<pointmass name="lead-ballast"> <!-- 38 -->
<weight unit="LBS"> 0 </weight>
<location name="POINTMASS" unit="FT">
<x> 16.01 </x>
<y> 0.0 </y>
<z> 1.07 </z>
</location>
</pointmass>"If anyone ever tells you anything about an aeroplane which is so bloody complicated you can't understand it, take it from me - it's all balls" - R J Mitchell
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