Problem in pitch shaking

Problem in pitch shake

Hello,everybody here,there is a problem in my flying wing plane x8:

The plane takes off by the launcher.After the auto tune of the PID,the config file is attached below:

config.param

And the flight plan is include in the wp file:

wp.txt

The log file :20

Why plane always flying on left side of planning path line

The track of my fixwing is not the equal distance.

The plane alway flying on the left side of planned path.Can anybody here give me some ways to deal this problem.Thanks.

Is the action of the trigger recorded in log file?

HI,all,

        When the APM triggers the camera,what will be recorded into log file?        

What is the problem with my copter?

There is an unkown falling with my copter.Any help is appreciated.

The log file,tlog file and the configuration file are in the attachment.

The unkown falling is at 95% of the tlog file.Thanks for your attention and help.

2014-05-07 11-08-43.tlog

2014-05

What is the problem in my x8?

I had successed in launching my x8 in auto mode.See here. After I change the parapult and the weight of the plane,It can't auto takeoff.Any help is appreciate.2014-05-03%2014-38-45.tlog ,See from 93%

Failure in auto takeoff

With a new catapult and a heavier plane,the x8 can't auto takeoff.

The configurations are:

THR_MAX = 90%

THR_SUPP_MAN =1

TKOFF_THR_MINSPD = 0
TKOFF_THR_MINACC = 8
TKOFF_THR_DELAY = 1

The tlog file is here2014-05-03%2014-38-45.tlog.Start at 93%.

The problem i

How the APM allocate the computation resource when the python code is running?

Hi,everybody here,

      There is a question about python code.When the python code is executed by the cpu of the APM,how will the cpu allocate the computation resource?Will the APM lock in the python code?Especially there is a "while loop" ,will the

x8 auto takeoff

 My X8 auto launched successfully on March 22,2014.

How to trigger the camera(Canon 5D MARK 2) by APM?

Hello,all.Could anyone tell me how to trigger the 5D MarK 2?What kind of way do you use?I once trigger the Canon ixus 100 by mode of relay.I conneted  two wires from inner keyboard(shutter)  to the apm.  It works very ok.Because Canon ixus 100   is v

How the LOW PASS FILTER (DLPF filter)work in inertial sensor(MPU6000)?