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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsAlign 3G › 3gx on Blade 450 need to reverse collective, help
02-23-2016 02:16 PM  32 months agoPost 1
icanfly

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ontario

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I cannot program my 3gx without one in a manner that is fine tuned. I have a 3gx I want to use and all the software uploaded, just need the dongle. There is occasionally one or two on ebay but they are becoming scarcely listed as the days go by and Align out of the rc heli gyro business.

Like all things people like to raz on companies who started their game as a clone company and that's never left them. They did however make a very competent 3x gyro given the chance the end user could understand the unit, not compare it with apples when only the 3gx sensitivity was a carry over from a gyro like the gp780, the things were incredibly sensitive and responsive. People didn't give Align the benefit of the doubt so now we see Align backing out of gyros for awhile. Align would have been well off to offer the gyro in complete kits and stand alone units but never expect to compete with Beast-x who invented the format practically, I mean if you take 3 rate/digital gyros and power them into the three cyclic servos anyone can make a 3x gyro. So really no one invented the 3x gyro, it was a natural progression from fb to a simplified heli rotor system. The company that fine tuned and made the gyro user friendly won, also adding gov, vibe analysis, telemetry keeps any gyro manufacturer in the game. Software writing costs money and pity someone who makes a product toward the end of one phase and the beginning of the next in the fickle rc heli market especially at a time when quads took over nearly everyone's interest.

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03-14-2016 02:33 AM  31 months agoPost 2
basmntdweller

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Indianapolis IN

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Let me look tomorrow. Pretty sure I have an old one ,,,,,,,somewhere!

Matt


Stupid people have no idea how stupid they are!!!

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12-25-2016 04:38 PM  22 months agoPost 3
icanfly

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ontario

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manged to buy another 3gx with a dongle so that's done.

I put a 3gx on my 300 which has the swash layout the same as the 450, with one pitch link forward of the main shaft and the two 120° swash arms toward the tail. I've tried reversing the ail and pitch servos on the servo plugs and reversing the directions in the tx. By default everything worked perfectly except the collectivec pitch. I tried the original way for a swash with the 120° links forward like an Align swash and reversed the servos for the cyclic to work on the Blade swash except forward ail cyclic tilts the swash backwards. The gyro compensates in the proper directions either way its set up, I need to reverse collective to make this work or will be left to consider putting the grip arms trailing, not what I prefer but if all else fails.

Any suggestions?

also, where do I source the 3gx pc programmer to do the adjustments by laptop or pc?

Did no one come up with a pc programmer assistant for the 3gx or is programming nothing but the button and tx?

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12-25-2016 09:19 PM  22 months agoPost 4
JuanRodriguez

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The Villages, Florida

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If you've talking about the software setup for the pc, it's free for download on the align website . Version 5 is the latest software....

http://www.align.com.tw/download-en/

Been there, done that and old enough to know better.....

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12-25-2016 09:55 PM  22 months agoPost 5
basmntdweller

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Indianapolis IN

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Sorry I didn't ever get back with you. I am going to say I forgot to look after I got home that day.(see my previous post in this thread)
I have two of the dongles. Both are marked 3G, not 3Gx. I am fairly sure the black one is the one for 3Gx although both may work, or they may not, as I had 2 3G's once upon a time. I do have the original 3Gx software on the disc in the picture.
PM me a name and address and I'll send them to you.
As far as your collective going the wrong way, if I remember correctly, that has to be changed in your TX. There should be some swash mixers for aileron, elevator and pitch. I think they should each be around 60%. To reverse the collective, make the pitch mixer read -60%. At least that's how I remember having to set up one of my early fbl helis.

Good luck and happy holidays,
Matt


Stupid people have no idea how stupid they are!!!

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12-26-2016 05:46 AM  22 months agoPost 6
R/C Speed Nut

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Galesburg, Michigan USA

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I need to reverse collective to make this work
You reverse the collective in the swash menu in the transmitter. Change the positive number to a negative number.


Mike

Funky Chicken?!!..........I thought this was how you do a piro flip!!

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12-30-2016 04:26 AM  21 months agoPost 7
icanfly

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ontario

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I did manage to get one 3gx on the 450 pro v2 and fly it a little yesterday evening and was pleasantly surprised. I took it off the 300 and put a zyx from the 450 on it leaving the 450 without anything but the 3gx that is on it right now. I didn't have to reverse cyclic to get it to work on the 450 because the mixing was designed for the Align configuration of swash plate not Blade's. When I flew the 3gx I was pleased how smooth in the air it was and even managed a near perfectly still hover toward the end of one lipos use limit. I still have another 3gx to go back on the 700 I mentioned and have confidence in getting it to perform well enough to fly it.
I noticed the 3gx programmer doesn't help in setting up the heli and reversing/limiting servo activity, it helps only with gains and agility adjustments, interesting the set up is not included in pc programming, can it possibly be done with a pc program?

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12-30-2016 12:09 PM  21 months agoPost 8
basmntdweller

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Indianapolis IN

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As far as setting up the 3Gx, I know I used to setup the complete control system without connecting the 3Gx. Then I'd connect the 3Gx and really all that was needed was setting the gyro compensation directions for each axis. Only works with 3Gx. All other fbl controllers that I've worked with do the swash mixing internally.

Matt


Stupid people have no idea how stupid they are!!!

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12-31-2016 02:04 AM  21 months agoPost 9
R/C Speed Nut

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Galesburg, Michigan USA

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I noticed the 3gx programmer doesn't help in setting up the heli
All swash mixing (cyclic, collective, and their direction) is done in the transmitter not in the 3GX


Mike

Funky Chicken?!!..........I thought this was how you do a piro flip!!

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12-31-2016 09:47 AM  21 months agoPost 10
MOZENZ

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Denby Dale UK

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I you load the 3GX software there is a lot of help if you read and follow pictures. But as said before all mixing is done in transmitter.

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01-01-2017 03:03 PM  21 months agoPost 11
icanfly

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ontario

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well, a second 3gx I have went on the 300 after it came off the 700 it was supposed to stay on. I may have bricked one of my two zyx-s2's when power was possibly interrupted while it was hooked up to the pc programmer. The 3gx's are a little more convenient in terms of hooking up a sat rx (2) so + points for that. I never thought there would be noticeable differences in flight control from one gyro to another like even a Spektrum ar7200bx.

as fa as programming the 3gx I did set all my servo norm/rev to normal in the tx, plug each servo one at a time to make sure they were ail/ele/pit as they are supposed to be and got everything working properly except my cyclic pitch tilts the swash backward when I move the right stick forward and the opposite for stick back. Collective pitch is fine now.

One thing that made the Tarot product a challenge but made it more flexible was that servo directions could be changed both in the tx and the gyro, setting gyro tilt to compensate was another norm.rev setting. It's possible the 3gx's were set up for Align product only so I'm going to have to explore mixing in the tx route next.

The first failing zyx-s2 on the 300 caused a lot of mid air resets which resulted in mild crashes to which the 300 suffered enough trouble to finally cause terrible tail shake and vibes been after having been smooth before the last crash. I feel the 300 is just the right size for a small flight area, I'm just too stubborn to retire it. A switch to an Align 450 chassis may be in order to get around the blade configured swash plate.

My 300 is a shorten'd 450, a blade 450x with an Align 450se belt, shorten'd boom and align main gear adapted, and 270mm blades cut down from 325's. I put 1300 and 1800mah lipos on and add a few tricks of my own to make it lighter and fun looking (removing the 450 canopy for something smaller of my own making).

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01-01-2017 05:06 PM  21 months agoPost 12
icanfly

rrElite Veteran

ontario

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FINALLLY, got it gents, (dx7) with pit/ele/ail in the proper right/center/left servos on the swash and the swash is turned so there is the single swash bal stem forward and the two pit/ail ball stems trailing the main shaft as on Blade product, I took the advice of rcspeednut and tried reversing what became only pit in both swash mix

Aile +60%
Elev +60%
Pit. -60

and in servo travel settings

pit. servo REV,

WARNING YOU WILL HAVE TO RESET THE ESC END POINTS before putting the heli back with blades and flying, don't put the blades and or motor pinion and/or connect the motor wires before, check the throttle is properly set up to confirm everything is in order.

I tried a different esc from the cc talon 35 and the throttle servo setting did not need to be reversed. the cc product didn't activate the throttle since the 3gx took a long time to initialize after plugging in (don't know exactly why).

So happens the 3gx was still set on version 1.0 so I went through the updates to 5.0, and now to source some 2.5in sat wires and all is done.

I was about to give up on the 300 altogether.

No sooner than I'm piecing a stretch 450prov2 then Align comes along with the 470l. With the two zyx's out of commission it was fortunate the two 3gx's were available to keep my only real two small flyers in the air, and I learned how to make them work on both swash orientations, smart. Align made a good gyro except it's likely they stopped because "rescue" is a whole new ball of wax the market is demanding and they missed the mark on introducing that in the gpro.

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01-04-2017 12:09 AM  21 months agoPost 13
icanfly

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ontario

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well again, my bad as one zyx-s2 is working and back on the 300 heli. Shut downs were the result of ele servo wire near the back of the gyro and very close to the boom had a small exposed ground wire area after I checked thoroughly this morning. 3gx came off as it was difficult to set up piro compensation and the single green light that is supposed to flash to recognize swash plate orientation did not flash nor recognize the swash plate set up, everything else was fine. That 3gx went back on the 700e.

spent a few hours today making up a 4mm cf side plate for a d380 tail to lighten it up a few grams, lol.

tricks.

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