What happened to ArduPilot V2.27 under the downloads page?  All I see now is V2.26 as the latest?

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If you really do want to see the motor go in auto, create a small 1 or 2 wp mission with takeoff as the first command. Secure the plane and stand back, or remove the prop. Don't run it long with no prop.

Hi Don,  Thanks again.  I'll give it a try tomorrow.  I like to see what it will do before putting it into the air.  FYI:  APM1, APM code 2.27, MP code 1.1.17, Xbee pro 900 MHz, Airspeed sensor not installed.  Bought APM1 with V2.24 installed, used Arduino to compile V2.26 and uploaded, had to add GPS #define for my MTK16 GPS, then used latest MP to download V2.27.  I'd like to have stable Hardware and code for a mission in Greenland this March.  Any help would be much appreciated.


We upgraded to the latest firmware (2.27) and the relay functions don't work at all! Anyone has any idea?


We also tried to compile the source code with Arduino and got the following error message:

In file included from C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\FastSerial/BetterStream.h:16,
from C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\FastSerial/FastSerial.h:56,
from ArduPlane.cpp:27:
C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\FastSerial/../AP_Common/AP_Common.h:19:20: error: wiring.h: No such file or directory
In file included from ArduPlane.cpp:32:
C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\I2C/I2C.h:34:22: error: WProgram.h: No such file or directory
In file included from ArduPlane.cpp:27:
C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\FastSerial/FastSerial.h:119: error: conflicting return type specified for 'virtual void FastSerial::write(uint8_t)'
C:\3D\uav\arduino\arduino-1.0\hardware\arduino\cores\arduino/Print.h:48: error: overriding 'virtual size_t Print::write(uint8_t)'
In file included from ArduPlane.cpp:32:
C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\I2C/I2C.h:70: error: 'boolean' has not been declared
C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\I2C/I2C.h:71: error: 'boolean' has not been declared
C:\Users\Joe\Documents\Arduino\Arduino Sketchbook\libraries\I2C/I2C.h:101: error: 'boolean' has not been declared

if it helps

While trying to navigate with a plane. 

Whats wrong in the pic bellow.

And why.

This is real from the baud rate, it looks like telemetry? And your plane is moving... sideways?

I've never seen WP0 before, on my setup usually it starts at 1. Where is 'home' ?

Compass set wrong?

David: You have to use the "relaxpatch" version of Arduino in our downloads section. This is mentioned in the manual. It's due to a compiler bug in regular Arduino that we were the first to discover (ArduPlane is the biggest Arduino program ever written, apparently!) Hopefully they'll fix that in the future so we can go back to regular Arduino. 

Yes, how did you get Waypoint 0? Can you show a screenshot of your Flight Planner mission?

Its a crab like new airplane :)

By the way its sometime fly backwards. 

Every thing went good until from time to time the compass got frozen.

Any ideas about whats cause it?

It damage the mission so i guess its not just display problem.

Is there parameter of the raw data of the compass?

I got no clue 

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