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HomeAircraftHelicopterFlybarless Rotor Head SystemsAlign 3G › Align 3GX version 4.0 Software -- FIXED by VERSION 5.0
09-02-2013 08:20 PM  4 years agoPost 1
dkshema

rrMaster

Cedar Rapids, IA

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Version 4.0 software for the Align 3GX controller is now available for download from the Align website.

Among what appears to be additional control optimizations, probably the biggest feature is that the 3GX will now support Spektrum/JR DSMx protocol when using DSMx satellites

EDIT -- this thread has been out here for many months now, waiting for a new release of 3GX software to come along, to fix what appeared to be a problem with the Heading Hold gyro function introduced with Version 4.0. Yesterday, June 7, Version 5.0 was rolled out. To my pleasure, version 5.0 works great, and is well worth the effort to install and fly.

-----
Dave

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09-04-2013 10:08 PM  4 years agoPost 2
jschenck

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La Vista, NE.

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09-14-2013 05:16 AM  4 years agoPost 3
dkshema

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Cedar Rapids, IA

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WARNING -- it appears that software version 4.0 has a serious flaw affecting operation of the tail rotor servo and the heading hold gyro operation.

After installing and flying V4.0 for about a week now in 8 different installations, I am reverting all back to V3.1 for the present time.

V4.0 SEEMS TO HAVE A NASTY BUG DEALING WITH HOW THE HEADING HOLD GYRO FUNCTION DRIVES THE TAIL ROTOR SERVO.

Of the 8 installations, I have seen erratic gyro and tail rotor servo control on a Trex 250 installation, a Trex 500 installation, and a Trex 450DFC installation.

The rest of the software seems to be working well, however, in the case of the three installations listed above, control of the tail rotor MIMICS bad bearings in the tail rotor hub, and/or a defective servo. Reverting these three installations back to V3.1 restored heading hold gyro and tail rotor function back to expected, normal behavior.

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The installations I have in a 700N, 600N, 550E, a second 250, and a Gaui NX4 appear to be OK, however I had to re-mount the controller in my 700N, and lower the aileron and elevator gains on the 600N and NX4 as the new software seems to have messed with those settings as well.

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I hope V4.1 is out soon, and that it corrects the gain problem AND the rudder control problems.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

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09-14-2013 05:36 AM  4 years agoPost 4
TMoore

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Cookeville, TN

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I can't believe that Align can't get this sh*t straightened out. Just about every Chinese FBL clone controller builder is coming out with workable solutions on a daily basis. They ought to just go back to selling kits and servos for a while until they get this gyro figured out.

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09-14-2013 05:47 AM  4 years agoPost 5
dkshema

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Cedar Rapids, IA

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I figure this will be corrected, it's going to have to be.

In the three installations that act odd, I spent most of yesterday evening tearing my 250's tail rotor assembly apart, checking for faulty bearings, checked the servo, and its linkage, as tail control was very erratic.

This evening, the 450DFC I have began to act in a similar manner. Figuring that two completely different helis would not have the same mechanical or electrical problem, I began to suspect a rudder pot problem in my trusty X9303 transmitter. But further inspection of the transmitter shows that it operates just fine.

I reverted the 450DFC back to V3.1, and once again have solid control over the rudder.

I followed that by reverting the 250 back to V3.1, its tail is now once again behaving as it should.

My Trex 500 flew well, however when performing a stall turn with a 540 degree piro at the top, when I let go of the rudder stick, the tail kept going for about a half turn more, then recovered. Unnerving.

The symptoms I've seen hovering in the front driveway are as follows:

Hover, heli nose pointing away, add in gradual left rudder to do a slow piro. The nose does not move. Keep adding rudder, suddenly you get a 45 degree heading change to the left. Add right rudder, the nose moves immediately, but when you release the stick, the heading pops right back to where it previously was, not where it should have stayed.

This was the same behavior seen on the 250 and 450. It really felt as if I had either a bad pot in the stick or servo, or that I had a servo motor with a broken armature winding.

It's late, I have yet to send this info off to the AlignUSA guys, but will do that soon.

In the meantime, if you're flying V4.0, you might want to consider moving back to 3.1 in the interim.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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09-14-2013 05:51 AM  4 years agoPost 6
TMoore

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Cookeville, TN

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Dave, you shouldn't need to do Beta testing for these dudes. That's why they have test pilots. I really hoped to get my 3GX going with some decent software and get it back out of the box.

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09-14-2013 05:54 AM  4 years agoPost 7
Riq

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ND

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Wholly guacamole....

I was just about to test a a few......but hold the boat. 3g deja vu........

Too good to be true once again with align....Ive beta tested enough of their new junk to almost fall for an upgrade..

My young friends at the field are asking about the dominator...this just answers the question.

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09-14-2013 05:58 AM  4 years agoPost 8
dkshema

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Cedar Rapids, IA

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I hadn't planned on Beta testing, I just updated my FBL controllers hoping for additional performance improvements.

I'm not about to throw the baby out with the bathwater.

I would imagine the Dominator with V3.1 SW would be just fine. Once Align gets their act together, a SW update and the subsequent re-setup of the controller is about a ten-minute task, not all that bad.

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Dave

* Making the World Better -- One Helicopter at a time! *

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09-14-2013 06:24 AM  4 years agoPost 9
TMoore

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Cookeville, TN

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They shouldn't release software that doesn't work safely.

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09-14-2013 06:42 AM  4 years agoPost 10
Riq

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ND

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I would imagine the Dominator with V3.1 SW would be just fine.
They and I will ask, then why have a 4.0????

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09-14-2013 07:54 AM  4 years agoPost 11
Gladiator

rrApprentice

Miramar, FL - USA

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That is just crazy... One would think that HH functionality is just too basic to fail, or have a bug that is... jeeee

I was just speaking about the 4.0 version this week at my LHS. Saying that it could be worth to give it a try. I guess I spoke to soon.

Thanks for sharing it.

iKon, because I am connected to my heli, are you?

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09-14-2013 11:23 AM  4 years agoPost 12
coolice

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Northamptonshire, England

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Hey.

There has been no problems seen with all the testing us UK pilots put into the software and we'd had V4 for a couple of weeks before it went public.

Strange how it appears to only be on the smaller models in your fleet.
I have a 450L coming myself so will pop V4 on that and come back.

Some other small things have been noted in flight behaviour, but nothing nasty to cause problems and these have been relayed back to Align.
.

Ian Contessa
Team Robbe SchluterUK
Midland Helicopters

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09-14-2013 11:45 AM  4 years agoPost 13
Climax

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West London, United Kingdom

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Dave,

Just out of interest how are you using the 3GX? With Spektrum satellite RXes or with a set of direct RX connections/signals?

If the answer is satellites then I wonder if the bug could be in their updated code for managing these?

I just helped a friend set up his/my first 3GX (with v4.0 in "Small Bird" mode) on a 450 DFC Pro. It took us a bit of fiddling to get the tail working as we wanted (mechanical setup, gain etc.), but now it works well.

So far we haven't seen the behavior you've described. Incidentally, his 450 is using a separate FAAST RX.

Electronics, Physics, Helicopters, Fixing Things...

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09-14-2013 12:26 PM  4 years agoPost 14
coolice

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Northamptonshire, England

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Hey.

Out of interest what percentage of lock gain are you running?
Out the box at 70% its too high and this can cause problems as you're describing as it's trying to keep too much of a lock on the tail rotor heading.
.

Ian Contessa
Team Robbe SchluterUK
Midland Helicopters

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09-14-2013 01:16 PM  4 years agoPost 15
jschenck

rrProfessor

La Vista, NE.

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Is there some commonality with the DSM sat? All DSM2? Different than the other 250? Does your 500 have one sat?

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09-14-2013 01:58 PM  4 years agoPost 16
dkshema

rrMaster

Cedar Rapids, IA

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Climax -- the 250 uses an AR 6110e RX, the 450 an AR6115e RX, the 500 an AR7000. I don't believe this is tied to their DSMx satellite update.

Coolice -- yes, stock 70% lock gain. That is the same setting I have used with V 3.1 since it became available. Maybe high, but it shouldn 't introduce crazy behavior.

Why have a 4.0? No one producing a software-driven product these days simply releases it and never touches it again.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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09-14-2013 02:18 PM  4 years agoPost 17
Climax

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West London, United Kingdom

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I've just discussed this with my friend and it turns out that he has had this happen!!

When it occurred it was as Dave described a left piro stops and then continues to move left, a right piro stops and then bounces back a bit.

He tried big bird mode and it didn't occur, however he had tail wag instead (lowering the gain improved this but left the heli feeling loose).

Back to small bird mode, he's now mostly fixed the issue by arranging to have a proper rate mode mechanical centre with the resulting uneven throw/limits on the slider (the manual recommends that the neutral point is in the centre of the slider).

He tells me that since doing this the tail has been well behaved...

This was his 1st 3GX (and he went straight to v4) so when it didn't work he just assumed that the recommended mechanical setup wasn't right, so tried setting up rate mode to have the correct offset.

Electronics, Physics, Helicopters, Fixing Things...

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09-14-2013 02:18 PM  4 years agoPost 18
jschenck

rrProfessor

La Vista, NE.

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Interesting. The 250 without the issue possibly using a sat RX?

Its possible that the V4 is more aggressive with it's correction so we may need to lower our tail gain(?).

I haven't tried it myseft yet. I may try with my 500 and DX18 running two DSMX RX direct to the 3GX

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09-14-2013 11:59 PM  4 years agoPost 19
knightofcarnage

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chicago

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Having tail issues on 250 is not really a test for 4.0version, there is so many other factors. I have 250 DFC with 3gx version 4.0 and no issues but I also have $100 servo on the tail. So.... My buddy tested 4.0 on 700N. Before on 3.1 we able to get a blow out in hurricane. Now solid as a rock. I'm about to fly my 450L and see if i get any issues.

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09-15-2013 01:00 AM  4 years agoPost 20
NQNA

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USA

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V-Bar

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HomeAircraftHelicopterFlybarless Rotor Head SystemsAlign 3G › Align 3GX version 4.0 Software -- FIXED by VERSION 5.0
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