I am working on a Multistage version of a Titan 4 and have most everything working but have noticed a strange behavior just prior to launch and during the roll phase of the autopilot.
There is a strange yawing motion while as the autopilot counts down prior to igniting the solids and then during the pitch phase of the autopilot there is again a strange jerky motion as the autopilot appears to be fighting against some other control.
I have created a clean install of Orbiter 2006P1 and 2010P1 and added just the necessary modules to run the simulation but get the same strange result. However, I don't see this same behavior in other peoples add-ons so I know I must be doing something wrong.
Has anyone ever seen this kind of behavior.
There is a strange yawing motion while as the autopilot counts down prior to igniting the solids and then during the pitch phase of the autopilot there is again a strange jerky motion as the autopilot appears to be fighting against some other control.
I have created a clean install of Orbiter 2006P1 and 2010P1 and added just the necessary modules to run the simulation but get the same strange result. However, I don't see this same behavior in other peoples add-ons so I know I must be doing something wrong.
Has anyone ever seen this kind of behavior.
Code:
BEGIN_DESC
Thia is a variant of the Titan IV rocket with a modified upper stage to be used to launch HL20.
END_DESC
BEGIN_ENVIRONMENT
System Sol
Date MJD 56522.8282205092
END_ENVIRONMENT
BEGIN_FOCUS
Ship TitanIV
END_FOCUS
BEGIN_CAMERA
TARGET TitanIV
MODE Extern
POS 2.74 -0.42 -98.15
TRACKMODE TargetRelative
FOV 70.00
END_CAMERA
BEGIN_HUD
TYPE Surface
END_HUD
BEGIN_MFD Left
TYPE Map
REF Earth
BTARGET Cape Canaveral
OTARGET ISS
ZOOM
TRACK ON
END_MFD
BEGIN_MFD Right
TYPE Orbit
PROJ Ship
FRAME Equator
ALT
REF Earth
TARGET ISS
END_MFD
BEGIN_SHIPS
TitanIV:multistage/multistage2
STATUS Landed Earth
BASE Cape Canaveral:6
HEADING 180.00
PRPLEVEL 0:1.000 1:1.000 2:1.000 3:1.000
NAVFREQ 0 0
CONFIG_FILE Config\multistage\TitanIV_Long.ini
GUIDANCE_FILE Config\multistage\TitanIV_Guidance.txt
CONFIGURATION 0
STAGE_STATE 2
STAGE_IGNITION_TIME 0.000
CURRENT_BOOSTER 1
CURRENT_STAGE 1
CURRENT_INTERSTAGE 1
CURRENT_PAYLOAD 1
FAIRING 1
END
ISS:ProjectAlpha_ISS
STATUS Orbiting Earth
RPOS 3721961.98 -5578141.91 668360.94
RVEL -6120.009 -3773.387 2752.544
AROT -55.39 -39.66 174.22
VROT -0.09 -0.05 -0.00
PRPLEVEL 0:1.000
IDS 0:1 100 1:2 100 2:3 100 3:4 100 4:5 100
NAVFREQ 0 0
XPDR 466
END
END_SHIPS