One last thing (not related to Rescue or Auto Level):
The Bailout / Soft Start only works as expected if the throttle channel's idling setting is less than 10% (as seen on the gyro's Throttle Channel read out on the PC application)
On my 2 nitros, I initially set the servo's 0% to be the throttle barrel fully closed and the 100% to be the throttle barrel fully open.
You know you are there when the throttle servo starts a faint buzzz as it starts to bind against the limits.
This is supposed to be ideal. You have a perfectly match between the gyro's throttle channel to the physical travel of the carb's barrel.
Given the current release of the MSH software, unfortunately this is the wrong way to set it up.
Because to get a typical nitro to idle reliably, the throttle needs to be opened to about 15% (on my YS 60SR and the YS 120SR-X).
This means your throttle trim on the TX is opening the barrel to 15% and your Throttle Hold is also set to 15% (15% is seen on the gyro's PC app screen and the throttle barrel is physically opened 15%).
The problem is, that once the gyro's gov is enable, the MSH software does not change to Bailout mode (or Soft Start mode if the Bailout timer is exceeded) until the throttle channel goes below 10%
This is a problem.
Until I figured it out, I could never get the bailout to gracefully switch from "Bailout" or "Soft Start" back into Flight Mode (because, it never actually went into Bailout or Soft Start).
It was always too aggressive and dangerous at low headspeed.
If I was practicing autorotation, the low headspeed bailout would jump to the programmed headspeed and I'd get a 90-degree tail swing.
And, it was a disaster once I landed and tried to take off again. It would instantly try to jump to the programed headspeed. It would do 1 1/2 pirouettes on the runway while the clutch was starting to smoke before I could get it into the air.
This was because the gyro was still in "Flight Mode".
The "solution" is to do your setup as you would normally do it, and get you engine's idle setting correct.
Don't try the Bailout.
And, if you land, stay down. Shutdown the motor and power cycle the gyro before you try to take off again.
Then, on the bench set the TX to TH then take a Sharpie and mark the barrel / carb at the idle (this indicates the "15%" physical opening of the barrel needed for the engine to idle - OF COURSE, your value will be different than mine).
Adjust the TX's throttle trim and adjust the TX Throttle Hold until the gyro's PC app shows 8% throttle.
Now, adjust the servo arm / throttle link until the marks you made with the Sharpie line up (8% gyro throttle = 15% barrel opening).
Don't forget to check / readjust the 100% point also.
This will give you the same opening in the throttle barrel you need for idling (plus a little bit of adjustment) and the gyro "thinks" you are below the magic 10% for Bailout & Soft Start to function properly.
I also set the Throttle Cut off to -150% to get the barrel closed enough to shut off the motor (not as good as 0%, but it basically does the job).
I know that a lot of guys use a Throttle Curve on the TX for the initial startup (0, 25%, 40%, 40% 40%).
This is not a "solution". This masks the problem.
You can land, move the collective (throttle) to full down and it will disengage the gov (below 35%). Then you nurse the collective (throttle) back up and the head speed is close the programmed headspeed before the gov engages (35%).
So, the "bump" in headspeed is not noticed.
I use three flat curves and start the heli in TH.
For me it was extremely noticeable.
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