Hoverfly What happened with my Hoverfly Pro during the night??? Hexed??

[gvr63]

Hello people

Before I make a ticket to Hoverfly I want to ask you guys if you ever had these sorrows with the Hoverfly Pro board.
I have this perfectly flying quadcopter which has changed to a untrusty donkey during the night!
The machine does not listen anymore to the rudder commands. When I open the Hoverfly Setup Utility and connect power all
the receiver channels do work normally when I wiggle the sticks.
But when I start the machine I have to give throttle very slowly and then at a certain point if I go to fast it shoots into the air at full power, even the lipo alarm starts beeping.
The only way to get it back is lowering the trust but then it becomes unstable leading to a crash. Already promoting four props to the bin.
But when I give throttle slow enough it stays somehow in the air but the rudder does not work and I can't do much, because the moment I touch throttle again it goes up.
So I tried reloading the software (4.8) played with the gains but nothing changed.
So if you guys have any idea what I can do next I would be very happy.

Thanks a lot from a rainy Belgium

Guy

 

[Matt Sharp]

Check both in the software and the real time monitoring screen of your transmitter on the bench. Check to see if the software is reading the signals from the transmitter incorrectly, or if the transmitter is sending an incorrect signal.

Is this a new build? What motor prop and weight is the bird?

 

[Stacky]

What radio are you using?. There is a radio throttle calibration procedure you can do thats found on the hoverfly zendesk help site.

 

[gvr63]

@Matt did the real time monitoring with the setup utility and all signals are corret. This isn't a new build. The bird is 1.6 kg and the props are 12x3.8. Before being "hexed" it was a splendid flyer.
@Stacky It's a Graupner Hot MX20. I calibrated the ESC individually. This method seems the most solid. Going to try the throttle calibration procedure as on the help site.

thanks a lot

Guy

 

[Matt Sharp]

It's strange that it would happen all of a sudden. How many flights do you have logged on the airframe before being "hexed"? Just trying to determine if it's a possible mechanical problem, or electronic problem. If nothing changed in the programming recently, I can't see it being a setting problem.

 

[Aerovideo]

This seems strange that this quad flew well before and not now, I hate stuff like that. However, based on your description I almost think you may be over propped. I have a 1.7kg quad that has 9x4.7 APC props I can't imagine if it had 12x3.8. I do have a big quad with the same size props but its well over 2kg.

At only 1.6kg with those props you're probably hovering well under half throttle. Did you change the props?

Sorry, not much help... just thinking out loud

 

[Bartman]

i'd also be interested to know what the story is with the props. too much prop here it looks like. too much or too little and the Hoverfly PRO will struggle. i was near crashing last week after trying to lift too much weight with too little prop. a high hover point on the throttle left not much more for control so it spun a couple of turns before it was back under control.

weak batteries or a bad ESC will also spook the PRO into being a bit of a nervous wreck to fly.

Bart

 

[gvr63]

Had some time today and I'm happy to say the machine is again flying as a star!! :nevreness:
The trick was to recalibrate the ESC's. Strange because I didn't touch them. But hey, I'm happy as a kid it's flying again.
Thank you all for your help!

Thanks

Guy

 

[Aerovideo]

Actually you know what happened to me once? I plugged the battery in but my throttle wasn't all the way down in fact it was kind of high, I must have bumped it. Anyway, the escs beeped and I lowered the throttle when I saw it and without realizing I had just recalibrated the escs to about half throttle without realizing it. Needless to say this caused a huge problem. I did this a lonnnggg time ago when they first added the calibration feature before they had really announced it.

Maybe something similar happened?

Glad to hear you have it fixed, stuff like that is soooo frustrating.

 

[gvr63]

Dear "Watson" Aervideo :02.47-tranquillity:

What you tell seems very possible for my case too. Lessons learned and thank you very much!

Guy

 

[DucktileMedia]

I had a hoversport board that acted up from doing absolutely nothing over night. Still cant figure it out and hoverfly didnt really have an answer for it either. I ended up using different props and it started flying fine again??? but the props that were on it before flew perfectly the day before? Dont get it. I gave up on that one a while ago. but my HFP's have been rock solid.