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Old Oct 25, 2012, 01:44 PM
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SkyCadet's Avatar
Canada, MB, Winnipeg
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I'm putting mine without the case. 9.5-10g of empty weight is not needed for my already pushing 18oz. plane. I can fly it with this in there, but why?

SC
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Old Oct 25, 2012, 01:45 PM
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SkyCadet's Avatar
Canada, MB, Winnipeg
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Sounds about right - your roll axis is probably very sensitive, so reduction is probably a good trial. Maybe your pots are more linear than originally indicated? Maybe ORX finally did something there...

SkyCadet
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Old Oct 25, 2012, 01:51 PM
Has Sloped Off
dav3uk's Avatar
Uk South Wales
Joined Aug 2009
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Sounds like classic ORX behaviour, there will be a sweet spot but can be fiddly to get just right. I myself find the disconnected feeling I get when flying with the gains high enough to make a real difference too offputting so dont use high setting, just enough to give some smoothing out of the wind.

Dave
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Old Oct 26, 2012, 03:47 AM
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SkyCadet's Avatar
Canada, MB, Winnipeg
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ORX installed and ready for testing: 3-channel plane...

I just finished my video showing the behavior of the ORX 3AS.

My Super Decathlon BL is now ready to fly in windier than usual conditions!

I placed mine under the main wing, so it was upside down, over the CG. This required me to reverse the 2 flight channels for correction to be in the proper directions. No big deal. Not sure whether needing to tweak these yet. Set the gains around 2-o'clock and behavior is nearly same as my AS3X-equipped micro beast 3D.

Hopefully, tomorrow is a successful maiden. Video below, and on my blog...

Smooth flying all!

SkyCadet

SuperDBL ORX3AS (0 min 0 sec)
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Old Oct 28, 2012, 06:27 PM
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update...

Flew a couple of times this weekend. Tweaked the settings for decent balance of stanility and agility. However, this system DOES fight abrupt aerobatic manoeuvers, like snap rolls and tight loops.

So, I think I'll be trying out in the future the i86 AP unit for trials. I won't be putting this system in my Pitts 12 15e, as it's too ignorant of flight input data. I've heard good reports on the i86 unit and it seems to be closer to AS3X for sport aero birds. At $3 more, I cannot see why I would not go that route.

The ORX 3AS DOES work well for general flying though, so depending upon the type of flying one does, this certainly works nicely. I DO like the stabilization effects in moderate wind, and this really smooths out the flares on my Decathlon! Just awesome landings with this on there.

I may leave this over the winter when I don my skis for this plane... Sport aero is not usually done by me with skis on. Touch and goes are bigtime fun, though, and this unit will certainly let that happen nicely!!!

Don't get me wrong, this unit does work, it is a bit twitchy to setup around the 2-o'clock point of setting gains (where you'll generally set them to start). However, the fact that I can just BARELY get a snap roll or loop out of my plane is kind of annoying. The unit ignores the inputs and reacts simply as a bonafide rate gyro. If it could be bypassed when wanted for sport aero flying, I think it'd be awesome.

Darren/SkyCadet
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Old Oct 28, 2012, 08:39 PM
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Fugitive_Bill's Avatar
Sydney, Australia
Joined Jul 2005
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Quote:
Originally Posted by SkyCadet View Post

IHowever, the fact that I can just BARELY get a snap roll or loop out of my plane is kind of annoying. The unit ignores the inputs and reacts simply as a bonafide rate gyro. If it could be bypassed when wanted for sport aero flying, I think it'd be awesome.

Darren/SkyCadet
Yes, it is shame the unit cannot be dialed up/down or turned off/on from the radio.
I'm sure there must be hack/mod to at least by-pass it, the best and only solution I've come with so far is rather complicated (that I posted a hand drawn diagram of a few pages back) using the Dual receiver buddy box system.

Even if complicated, it does have it's merits if you are actually training someone. When set to student his radio (RX) the gyro could be active - even if the student still manages to get in major trouble with gyros active - and when switched to instructor's (RX/TX) the gyros are by-passed and the instructor can then hopefully recover from from ANY situation without the gyros trying to mellow things out!!

-B!LL!
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Old Nov 02, 2012, 01:04 PM
Tape n' glue, Good as New!
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Mines on it's way!
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Old Nov 02, 2012, 01:32 PM
Fly Straight Fly High
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San Jose, California
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Quote:
Originally Posted by jussyjonny View Post
Mines on it's way!

Youll love it.....ive got 6 of em and 4 have been used so far...which one to implement on now
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Old Nov 02, 2012, 02:56 PM
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Canada, MB, Winnipeg
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ORX3AS on skis!



Yup! With all the Superstorm/Hurricane Sandy activity, as it moved into Western Ontario Canada, we in the Prairies got Arctic air being sucked into Sandy with pacific coastal air. Result: SNOW!

5" in the last two days, eeew! Barely November...

So, I put the Decathlon equipped with the ORX3AS on my skis I use for it, and off we went! Really nice performance with the unit on. Skis on a light plane, for those never flying that way, tend to add drag and a lift effect on the front end as the plane begins to fly faster. Causes a pitch up behavior. While trimmable, it's not totally curable. Well, with the ORX, it is!

Landing were really nice too. Again, as the AA starts to increase for flare and landing, the skis again lift the nose, and if one is not careful, you can stall - also appraoches can start a "porpoising effect" as the skis lift the nose, then start to drop as the airspeed slows. The ORX3AS held the profile beautifly on both flights!!!

Sweet!

SkyCadet
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Old Nov 03, 2012, 06:52 AM
Retired in NC
Rich in ILM's Avatar
USA, NC, Wilmington
Joined Sep 2010
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Does anybody know what physical components, within the flight stabilizer, actually, sense the orientaton change? Miniature gyro?
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Old Nov 03, 2012, 08:51 AM
Will it ever Fly?
Flybynight2's Avatar
United States, SD, Platte
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Quote:
Originally Posted by Rich in ILM View Post
Does anybody know what physical components, within the flight stabilizer, actually, sense the orientaton change? Miniature gyro?
As I understand it.
It is a electronic gyro.
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Old Nov 03, 2012, 09:45 AM
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Old Nov 03, 2012, 11:55 AM
Will it ever Fly?
Flybynight2's Avatar
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Originally Posted by Radio.Active View Post
Sorry Clear as MUD.
is there a mechanical movement in it?
Or all electronic?
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Old Nov 03, 2012, 12:36 PM
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The unit (I could be wrong, but I think so) operates via a piezo chip that sense movement not unlike a crystal oscillator. Small inertial changes shift the frequency and thus it then applies it's signal to the outputs accordingly. Electronic at any rate.

If there's a TRUE expert here, please pipe in!!!

SkyCadet
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Old Nov 03, 2012, 01:14 PM
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