Hi Martin
I too have an ArduIMU unit which I will install in a Funjet Ultra. when they
become available at Tower Hobbies (soon apparently)
I know this is slightly unrelated to this thread, but I noted your funjetmm2
runs the Ultra airframe.
Did you have to upgrade the motor set from an AXI 2212/26 with a 9x6 prop to
compensate for the heavier airframe compared to the original funjet?
Regards
Stephen
On Tue, 02 Nov 2010 17:16:04 +0100, Martin Meuller wrote:
Hi David,
with the Arduino debug plug pointing forward in flight and parts up the
directions work ok for me. Maybe it is the earth horizon moving the
other way than the aircraft?
Martin
On 02.11.2010 05:07, David Conger wrote:
Hi Martin,
With your help I have a Tiny2.11 with an ArduIMU connected to the I2C port.
I
followed the Wiki and am using your airframe suggested with the exception
that
I also commented the ADC IR values and set the modem to transparent.
Holding the IMU with the arrows on the IMU for X,Y,Z I see pitch in the PFD
is
shown correctly. However the roll is reversed. If this was an airframe with
IR
I would change the sign for: LATERAL_CORRECTION in the INFRARED section. As
expected there is no INFRARED section. I sure could use a LATERAL_CORRECTION
value to modify though :)
Is there a way I do not see to reverse the roll? Before doing this I did
upload
the firmware in SVN for the arduIMU (as per the Wiki).
BTW, very cool to see IMU data and the PFD artificial horizon responding to
the
IMU movements. Thank you for all your help so far. I think I am close.
-David
On Oct 30, 2010, at 11:26 PM, Martin Mueller wrote:
Hi David,
Thanks to the new notes I have a compiled airframe
I would like to try the ArduIMU and followed the steps from the
Wiki. However
there was no mention of this value:
<subsystem name="attitude" type="infrared"/>
...and the IR_ values farther in..
Can someone help. If I do not have IR and am flying with ArduIMU
what becomes
of those values? Removing them all brings compile errors. Leaving
them without
any IR sensors won't cause issues?
Would it be possible for someone who is flying with IMU to post
their airframe
to SVN or in a reply? vn100 or ArduIMU or even Booz IMU.
you might try airframes/mm/fixed-wing/fw_ins_arduimu.xml. The infrared
must
be removed at the moment not to have two software parts update the
estimator.
Did you use settings/tuning_ins.xml as mentioned in (4)?
Martin
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