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Permalink Reply by Crispin on April 25, 2012 at 2:20pm

I had that problem with 2.4 or 2.5 I think. Alt-hold would start to go funny and switching back did not do anything. I was lucky enough to chase after it and catch it.

I stopped flying until there was a new version and it has not happened again.

Maybe post your logs so someone can take a look?

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Permalink Reply by Ted Van Slyck on May 3, 2012 at 6:52pm

This happened to me once, it was the wire from the reciever to the apm that controls the modes. It came off. Did you rectify this problem?

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Permalink Reply by Chris Huitema on May 4, 2012 at 4:07pm

I think i had something similar, after coming out of loiter mode the throttle required to hover was way less. as a result my quad went up to 55m. but im not sure sure, may have just been bad piloting!

 

I have the brake setting enabled on my ESC's, so i could tell they are responding because at one point the motors stopped and the quad dropped and turned 90 degrees.

 

Normally the throttle stick sits at exactly mid-point - and there is very very little movement between rising and falling. After being in loiter mode, the quad seemed to keep going up even tho i was bringing the throttle constantly down all the way to about 1/4 throttle (which is just before the brakes normally come on). after that i went full down and it cut the motors and the quad fell out of the sky into a tree.

 

Logs and video are in one of my posts somewhere.

 

 

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Permalink Reply by Ted Van Slyck on May 6, 2012 at 7:26am

When you hover (manual control) is your throttle centered? It sounds like you probably only need about 25 percent to hover. When you are in loiter the copter will make itself hover with throttle center and moving it up or down causes a.controlled ascent/descent. If you were in loiter, throttle centere, and then switched to manual where you only needed 25% to hover the helicopter would climb. If you are using 4s lipo you could try a 3s instead. Also, why is your prop break on? Has it caused you any other trouble?

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