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Rescue reversed in air
https://www.spirit-system.com/phpBB3/viewtopic.php?f=20&t=1099
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Author:  Gtamas [ Sun 13. Dec 2015 17:31:04 ]
Post subject:  Rescue reversed in air

Hi!

Today i was flying my 450L, with red spirit. I powered on the heli on the ground, let it initialize, after that put the canopy on, without lifting the heli up, just the tail moved.

I was practising overspeeds, and it involved a lots of nose down diving, without stick movement. After 2-3 minutes, i tried if Rescue was working, and it sent my heli toward the ground in about 20-30 degrees angle. Fortunately I was high enough to save the heli myself. After this, i went higher, and tried it again, same thing, but at least the angle was better XD.

The piruette optimization is good, i checked it home. This is my 3rd Spirit unit.
After landing, put another battery in, and go flying, same practice, and tried rescue after 1 minute, and it was like 45 degrees but up. I continued flying, and as i was practising this diving the rescue get worse. I can reproduce it at will.
In normal flight, like loops, rools, tic toc, aileron tic toc etc rescue is always works very well.

I think when no stick input (nose down diving high speed) the spirit thinks he is level, and adjusting it's virtual horizont to that diving position :(

I immediately landed, ant tried rescue on the ground, made a video of it. Here it is:

https://www.youtube.com/watch?v=Khi0w5mt4CY

I think this practise is not "normal use" so i'm writing this because it maybe helps the spirit team to make better rescue firmwares in the future :)

Author:  kmaluo [ Mon 14. Dec 2015 2:40:10 ]
Post subject:  Re: Rescue reversed in air

From my research, if rescue is getting worse during flight, it's usually a vibration issue. Check tail vibes first on the bench. For me, piro flips always causes one of my helis to throw off Spirit's rescue.

Author:  ZeXx86 [ Mon 14. Dec 2015 8:23:34 ]
Post subject:  Re: Rescue reversed in air

Hi,

if you are not spending in vertical flight too much time (1-2 minutes), then it shouldn't be a problem.
If you can observe some slight inclination during some 3D it is indication that something is not OK and this could confuse unit during high G manouvers.

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