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10-07-2010 06:10 PM  7 years agoPost 1
shlm

rrKey Veteran

West Chester, PA

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After IRCHA the year and watching both Leon and Alan I decided it was time for me to take the plunge and try the 3G. Despite what I read here, I am having great success with mine. I've now setup about a half dozon of other machines with the 3G with equal success. Just thought I would share my experience as all to often those who are having success don't say so.

Here are couple of great videos showing off the capabilities:

Watch at YouTube

Watch at YouTube

Watch at YouTube

Watch at YouTube




Steven B.

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10-07-2010 06:23 PM  7 years agoPost 2
S76 Mech

rrElite Veteran

Hatboro, Pa.

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Cool, good job Steve!

Curious, what have you found good or bad with respect to the plug/connectors on the 3G units. From what I gather, that was the weak point of the unit. Also, how are the quick stops doing for you? I remember hearing about a bobble, again, I'm not up on the current status of the 3G but I might be willing to give it try in the future. Especially because I'm a cheap-ass!

Rick

Gaui Greatness X7, X5, NX4, X3

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10-07-2010 06:49 PM  7 years agoPost 3
TrevJonez

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St.George, Utah -​USA

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i have had success on 3 of my heli's with the 3g.

the bobble on hard stops can be tuned out of it with the programming cable and a little bit of trial and error.

on my 700e it didn't have hardly any bobble with stock settings and tuned the rest out in the software.

on my 600 the bobble was pretty bad with v1 and the stock main shaft
after i got v2.1 and cut 10-11mm off of my main shaft the bobble disappeared.

my 450pro has been the hardest to setup but i imagine that the smaller we get the instability is going to become more apparent. though after enough trial and error i got it worked out to the point that if im doing the tic tocs clean enough it won't bobble a bit.

as for the plugs that is all just a bunch of B/S they work fine so long as you use them propperly. to get it out of the sensor push down a little. to get it out of the controll unit pull up on it a little. there is a little latch sort of thing to keep in place in flight that you have to disengage to remove it without damaging the plugs.

people have reported failure of the 3g when flying with the y cable permanently installed which to me is their own fault.

Who cares... its just money...

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10-07-2010 07:17 PM  7 years agoPost 4
shlm

rrKey Veteran

West Chester, PA

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Rick,

So far it has been a real postive experience. The key things that I learned that led to my success:

- 'Hard' mount the sensor (single layer of 3M white foam tape)
- Use stable blades (I running the Maverikk G5 FBLs)
- Adjust the gains for cyclic feel/stability
- If a cyclic bobble continues, adjust the roll or elevator stop gains

As for the connectors, mine lock in very good and I secure the wires so that there is no tension on them. If mine did not lock as good as I would like, I would just use a dab of goop on the connector (using the y-harness) between the sensor and controller same as what others are doing with the VBar.




Steven B.

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10-07-2010 07:45 PM  7 years agoPost 5
flyride

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Salt Lake City UT

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I leave the y harness connected all the time that way if I need to adjust it I don't have to unplug and plug in all the time. Watch the pins they do bend and will cause problems if you are not careful I had to take my case apart and manually insert all the pins in as far as they could go because they bent on me while I tried to plug it in that is why I left the y harness there made sure it was in good and tight and never have to unplug it again. Just out of curiosity why would the y cause it to fail it has worked great for me and many others.

and the blonde said "RECTUM, Hell damn near killed em!!"

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10-08-2010 01:12 AM  7 years agoPost 6
TrevJonez

rrKey Veteran

St.George, Utah -​USA

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they have been coming unsolder-ed at the y connection for some.

my biggest reason for not leaving it on my heli is not that im afraid of it failing. its because i have 3 heli's with the 3g and only one y connecting harness. if i was to fly with a y harness on i would just simply take some of the spare wires i have from the 600 and 700 and solder them together into my own y harness.

just be aware that some have had cold solder joints on their 3g leading to in flight failure. the reason i said it like
which to me is their own fault
is because i have been made aware of this possible issue. i suppose if you were unaware that there was an issue it wouldn't really be your own fault.

Who cares... its just money...

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10-08-2010 01:35 AM  7 years agoPost 7
flyride

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Salt Lake City UT

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I see I haven't heard of that.

and the blonde said "RECTUM, Hell damn near killed em!!"

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10-08-2010 01:37 AM  7 years agoPost 8
shlm

rrKey Veteran

West Chester, PA

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Thanks for the heads up as that is the first I've heard of it, I am assuming it is pretty much an isolated to a few or we would be hearing more about it. Nowadays we all need to be more careful to inspect connectors, cables, etc. Last season I was having issues with my 700's receiever rebooting in flight only to find that the pre-solder battery connector had a cold solder joint. Needless to say I was disappointed as this pack was from one of the bigger names in batteries.




Steven B.

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10-08-2010 01:45 AM  7 years agoPost 9
TrevJonez

rrKey Veteran

St.George, Utah -​USA

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i never use the included battery connectors because nobody comes with deans too bad deans had to copyright the crap out of their stuff and open up a big competition market.

i also use ec3 connectors on my LiFe packs but thats just to make sure they only get hooked up to things that they should be. and so i don't accidentally throw a 3s lipo on my 600 or 700 to cook the servos. i had my first 450 crash twice due to cold solder joints on the turnigy motor i was using at the time.

Who cares... its just money...

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10-08-2010 01:53 AM  7 years agoPost 10
shlm

rrKey Veteran

West Chester, PA

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After that happen, I clearly do not rely on the included connectors anymore. Unforuately that was my first experience with using a plug and play setup (no soldering on the battery or reciever). Anyway I'm back to soldering my own connectors and use the dean connectors on mostly everything. Lesson learned.




Steven B.

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10-08-2010 07:36 PM  7 years agoPost 11
basmntdweller

rrKey Veteran

Indianapolis IN

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I had great success with my 700LE 3G so I bought a 550 3G. In flew fairly decent as a V2 but I liked the adjustability of the V2.1 so I bought an extra programming cable and installed it. First flight was a very short hover in normal to see what needed adjusting. I made one adjustment to the tail and went for a second flight. Less than two minutes in, the heli rolled over and nosed in hard. I still had radio as I heard the motor cut off when I hit TH. I gave it the benefit of the doubt that maybe I got disoriented. Rebuilt and tried again. First flight virtually same crash from higher up. I had more time to analyze as it was crashing. I still had some degree of collective and tail but lost all cyclic. I have always suspected the programming harness. I took the heatshrink off but it all looked okay. Since both crashes were well over $200 and only a week apart, I decided I didn't trust this 3G. I still thunk it is either the cable or a vibration issue. After the rebuild I stuck a V-Bar on it. I can't seem to get the V-bar anywhere near the way it flew on the 3G but I am still working on it.

I'd love to go back to the 3G but until the reason behind the crash is found it's not going on any of my helis. I do love it on my 700 though!

Matt


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

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10-08-2010 09:30 PM  7 years agoPost 12
hobby_man

rrNovice

MPLS, MN

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were you pushing the set button in on the 3g and then pluge in the battery?

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10-12-2010 02:41 AM  7 years agoPost 13
blade slayer

rrApprentice

Maryland

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i have set up 6 3Gs already and i have 2 of them on my 450 pro and 600, they all work great with no problems ,i still don't know how some people can't get the 3G working,it doesn't take that much set up,and they can't do it and go back to v bar.
after i tried my first 3G i loved it,simple ,easy,cheap,5 step set up....

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