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Quads, quads and more quads!


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Canberra


Activity Feed

Alex Judge replied to Nico D's discussion Need help with wierd Alt Hold / Baro issue
"Z axis vibrations! I've had a look at your log, and they're really bad. They should be between -5 and -15. From this log they're between +20 and -30. 

Your X and Y vibrations aren't too good either. Have a look at balancing your props and giving…"
May 25, 2015
Alex Judge replied to Tomasz Sopylo's discussion Multicopter starts climbing rapidly for no apparent reason when in level, high speed flight
"Also, have a read of the Common Problems section of the following page:

http://copter.ardupilot.com/wiki/flying-arducopter/flight-modes/alt..."
May 24, 2015
Alex Judge replied to Tomasz Sopylo's discussion Multicopter starts climbing rapidly for no apparent reason when in level, high speed flight
"Looked at the logs. Your Z axis vibrations are pretty bad! Looks like you're flying in Alt Hold which requires the vibrations to be minimal. Z vibes need to be between -5 and -15. Yours are between 0 and -40 in some places. 
Lots of Z can cause fast…"
May 24, 2015
Alex Judge replied to Tomasz Sopylo's discussion Multicopter starts climbing rapidly for no apparent reason when in level, high speed flight
"Haven't had a chance to look at the log, but could this be transational lift? I have a 450 quad that climbs rapidly when travelling horizontally at high speed. I have to compensate by lowering the throttle. "
May 24, 2015
Alex Judge posted a discussion
I have a Q450 frame with MT2213-935KV motors and 8" props running APM 3.1.5I'm having trouble tuning the thing and I was looking for some advice. I've been through the standard APM tuning guide, and for the most part the quad is flying pretty…
May 24, 2015
Alex Judge posted a discussion
Hi all, First post, be gentle :)I have a q450 (Flamewheel) running an APM 2.7.2 Micro and I'm having trouble with Alt Hold mode. The quad won't stay at a given alt. It will 'bounce' around the place, sometimes coming down to ground level and other…
Apr 27, 2015