Graham Dyer's Comments

Comment Wall (17 comments)

At 5:52am on July 24, 2009, Robert Hannaford said…
Hi Graham,

Please give me aring when you get a chance, Rob Hannaford 011 781 4029, 0733000337
At 5:43am on August 20, 2009, Vikram said…
have u got success in reversing ur aileron ... i m using same setup with XY sensors
At 2:12am on August 21, 2009, Vikram said…
i think i can correct it but want a clear view ur ailerons r reversed in automode or manual mode. If its auto change is to be done in the code else it has to be reversed using RC remote... let me know whats exactly it is
At 2:40am on August 21, 2009, Vikram said…
so u must have tried #define ROLL_REVERSE 1 , then nothing happened ... am i right..
At 3:08am on August 21, 2009, Vikram said…
actually the same problem i had faced but my elevator movement was reversed
in autopilot so i tried to correct it by #define PITCH_REVERSE
but nothing happened later i found thaT this header is not at all used inside code so i just follow the logic in code and got the line to reverse the motion of either aileron or elevator in ... void pulse_servos(int roll, int pitch) //Normal mode
pulse_servo_2(90-pitch); //invert sign if you want to reverse the servo...

This is what i had changed then to work it well.
I did few tests and got semi success in few , hopefully i can make it this time atleast 80% success with little changes in trim as u recommended in ur blog failure and success.
Its very nice blog i will try to write the one ... it really helps ourselves and others
At 2:49am on August 24, 2009, Garth said…
Graham please contact me
021-7827148 or 0827708200

At 4:41am on March 11, 2010, Cronselaar said…
Hi, this must sound stupid, but how do you get the nice line logs in GE... My current position just constantly changes. I'm using a E406. I can't seem to get the right altitude data in the GS2 either.. Any help would be appreciated.

At 9:58am on August 17, 2010, Robert Hannaford said…
Hi Graham, won't you please send me you cell no I have lost it, Regards Rob Hannaford

At 8:08am on October 17, 2011, bruno voisin said…

Hi Graham, this is Bruno from Cape Town. 

These are my first steps in the UAV world, and I am interested in building a ArduCopter to conduct game counts in a nature reserve.  Any advice / recommendation would be most appreciated.

Thanks in advance,

At 1:31am on November 7, 2011, Robert Dielenberg said…

Hi Graham,

we're developing a UAV here in Newcastle, Australia. We've been experimenting with the ardupilot 2_7_1 for a few months. Having huge problems with altitude hold and throttle. We're using a petrol engine. We realize the original ardu is for electric. It seems there is not much data on petrol engines for ardu. We had a crash last week and lost the plane. We're going to rebuild the code from scratch and simplify it. Will get back on to you on our progress. Cheers,


Rob Dielenberg, MotMen UAV (

At 5:19pm on July 10, 2012, Carl La France said…

My wing is a " Hybrid " Aluminum,  66 psi spray Foam ., Balsa

At 6:51pm on July 14, 2012, Carl La France said…

Graham I like the mods you did to your EPP FPV

At 7:42am on April 6, 2013, Antonie Kruger said…

Hi Graham,

I'm out on the east rand, Benoni. Do you guys have formal get togethers?



At 11:21am on January 2, 2014, Tyrell John said…

Hi Graham Dyer

I'm needing help with my project. I'm hoping you will take an interest in it too.

At 6:41am on July 28, 2014, pma_ said…


can you help me with arducopter installation on AUAV-X1?

After installation MP cannot connect to board (no mavlink connection)


At 11:11am on July 28, 2014, pma_ said…

hmmmm I'm connecting via usb, pixhawk soft works that way

At 11:22pm on December 27, 2017, Ellen Zhu said…

Dear Graham Dyer,


    I am Ellen from skywalker. You are interested in Skywalker X8 honeycomb composite material. 

    Pls give me your contact means, such as skype or email. I could send more informaiton to you.

    My skype is My email is

    If you have any question, you could contact with me.

    Thank you!


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