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HomeContestAircraftHelicopterAerobatic 3D Contest › What is pyro stir? (yes I did a search)
01-22-2015 04:12 AM  3 years agoPost 1


Wash DC Metro Area

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I read over and over again about pyro stir, but it's always referred to in a way that one knows what it is and how to do. I don't fully understand what it is. I see it referred to with pyro flips and other pyro maneuvers.

My guess is that one is trying to synchronize rotation of the helicopter with cyclic. But I can't figure out what the starting point is.

My goal is to do pyro flips and I think this is a building block I have to learn first.

I can do basic flying, backwards, inverted, and backwards inverted.

I can even do some pirouetting up and down the flight line in a straight line and to some extent, pirouetting circles. But I don't think I've got the synchronizing part down at all. I'm guessing that's the stir.

Thanks in advance.


01-22-2015 12:47 PM  3 years agoPost 2

rrElite Veteran

Lee's Summit, MO

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Maybe if you searched for piro instead of pyro you'd have more luck...

Not exactly what you are asking about, but this really explains the whole process of learning piro flips, including stirring, pretty well...

01-22-2015 08:19 PM  3 years agoPost 3
don s

rrElite Veteran

Chesapeake, VA

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Search for Nick Maxwell's One Tank Tips on youtube, he covers piro flips and how to start doing them.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

06-28-2015 06:37 AM  3 years agoPost 4



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06-28-2015 08:49 PM  3 years agoPost 5
Heli Fanatix


Fountain Valley, CA

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The correct terminology is "Pirouetting Flip"..There has been a variation of it called the "Chaos". Maybe there is one called Pyro (and does exist) but to date I have only heard pyro referred in the Heli World by Kontronik, they called their motors that.
Piro-Flips involves stirring the cyclics. You are correct when it comes to synching the rudder with the input of the cyclic. At first you are correcting with the cyclic while feeding in rudder and collective. If you record on your SIM session while doing piro-flips and watch your stick movements, they look like inputs rather than stirring. Over time, it will transform into a stir. You are mixing the controls to flip, rotate and level simultaneously.

As most maneuver are being learnt, you have to consider the away maneuver. So I would suggest this:

- Pick left or right rudder
- Initiate from upright tail in
- Initiate when nose in inverted
- key off tail when upright and the nose when inverted
- with the above orientation, you can stir @ 12 o'clock
- this will push heli away

I will warn you, this is different than a full stir pirouetting flip. The above is half and than half. So you will not achieve an upright to inverted back to upright piro-flip with one complete stir but you will be able to do a pirouetting flip. To tell you the truth, not all everyone piro-flip the same, stir the same or look the same That is something you can refine later on as you get the hang of it.

But I would suggest learning Traveling Pirouettes so you can level and control the heli before stirring the cycles. Being comfortable with pirouetting circles is important and you have to learn to correct at multiple points. This puts the Heli in the most awkward orientation (same as in pirouetting flips). This way, you can fly through the piro-flip maneuver. If you could consider the piro-flip is gateway to many advance 3D maneuvers..than prerequisite maneuver prior to the piro-flip ... so make these maneuvers the driveway to the gateway of 3D Land.

I have mentoured young and old ... it all depends on your level of commitment, dedication, attention to details and how well you take in advice (given it is properly dispensed). Don't be discourage, it may take awhile to get the hang of it. It took me about 3 months to piro-flip but years refining it. I choose to go with left and right which later helped me achieve more options when transitioning to other maneuvers. Hope this helps, if not ... always free to PM me!

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