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Home✈️Aircraft🚁Helicoptere-AlignOther › My Static Fix
01-26-2006 06:57 AM  13 years ago
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Ozydego

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Westerville, Ohio

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My Static Fix
Keyz put me onto the idea and gave me the fundamentals of grounding my entire frame. I have suspected static glitching problems for a while, the symptom being an irregular glitch that shows itself every minute or so, and has stayed the same even after frame and component switches. I decided to ground out every piece of the frame for one to elminate the possible places for static to build up and second, so that I would not have to run a lot of wire around. Here is what I came up with, a pretty solid grounding proccess. We will start at the back of the heli:

1. To ground the tail belt, the easiest way is to ground the idler pulley, the cylinder that rotates against the belt. I grounded the pulley through its screw to the carbon fiber boom by scuffing the gel coat in a small area and running a wire from the pulley screw to that spot, and held it in place with a zip tie. This step is shown in the pic:

2. The next step is to ground the carbon boom to the carbon side panels. The way I did this was scuff the boom again, where it is held in place by the boom block, if you have a metal boom block, you will need to scuff a trough in the boom to accomadate the extra wire, then scuff the inner side of the carbon frame and connect the wire as shown to ground the boom to the carbon frame:

3. Now that we have the frame grounded, the last step is to ground the frame to the negative side of the battery, and the way I accomplished this was to wedge a wire between two pieces of my carbon frame. This part will vary I would guess with the align carbon frame, as I don't think the spacers conduct electricity. After attaching the wire to the carbon frame, I simply resoldered the negative connection of my Deans connectors with the wire as well. The arrow points to where the wire connects to the harness.

Thats it, my frame is the rotorworkz G3 frame, but the tutorial can easily be applied to any Carbon fiber frame and boom combination. Some have said it stops chattering tail servos, others say it cancels out static glitches. I will be doing extensive testing to see if it fixes both my problems.
But Honey, I can't live with just stock.....
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01-26-2006 07:03 AM  13 years ago
kookboy

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Vancouver, BC

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Looks good. Awaiting the rest ... But honey it was only $$$
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01-26-2006 07:03 AM  13 years ago
QuantumPSI

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Atlanta, GA

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Yeah, did this eliminate the glitching?

Mikel
...now where was I, dh/dt = BS-dx/dt
I will fly you forever... till earth do us part
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01-26-2006 07:10 AM  13 years ago
Ozydego

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Westerville, Ohio

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I can't fly outside tonight, the snow is blowing and winds are bad, I will test everything out at work tomorrow, but I checked all the wiring, and I have a complete conductive path all the way back to the idler pulley, which was basically my goal. Now we see what this helps with If anything, at least static has nowhere to build up and jump around causing glitches, and my frame is all grounded which can't be a bad thing....


Hmm, just thinking, if I wanted to light my tail, all I would have to do is run a single wire to the back and I cold have a complete circuit... makes me wonder if I can get to seperate paths back to the tail without a wire... hmm, bigger challenge... hehe
But Honey, I can't live with just stock.....
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01-26-2006 07:49 AM  13 years ago
Juvaknin

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ISRAEL Jerusalem

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Keep us posted...
you fill your glitching in flight very bad? or from time to time?
you using this "Ferit Ring" between your ESC and RX?
mabe also try this "Glitch reducer" from dionysusdesign.com
Glitch Reducer Link
anyway, let us know if your "ground project" fixed your Glitching.
**Raptor 50SE, GY601, Futaba **
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01-26-2006 08:02 AM  13 years ago
keyz

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, UK

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Ozydego
personally i wouldnt use the boom or any part of the heli frame to make up a circuit , i think you might be asking for trouble .... your trying to remove electric charge by grounding it , adding power to it sounds like a prob to me

hope your fix works
If you need to get high , go and fly !
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01-26-2006 08:03 AM  13 years ago
jack726

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Cerritos California

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I go one step farther. I have a wiper fastened to ground and touching my main shaft.
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01-26-2006 12:30 PM  13 years ago
goteron

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OH, USA

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I had the same problem. I grounded my mH frame, which proved to be very easy since its all Ali and CF. So with one wire it grounded the whole thing, and it fixed my glitching problems. Especially with flying outside in the cold.
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01-26-2006 12:50 PM  13 years ago
HugeOne

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Quebec, Canada

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Can you explain why you wire this to the "-" of the battery?Raptor e620 w/V-bar, Tango 45-06, Phoenix 85HV, TrueRC 12S1P 4000mAh
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01-26-2006 12:55 PM  13 years ago
Juvaknin

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ISRAEL Jerusalem

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HugeOne, because the (-) of the battery it's the "Ground" of your heli..
the "goal" is to "Ground" the heli parts from interference that some of them made because of the carbon parts..
by connecting to the (-) you kill all the interfrence that able to affect and make glitchs to your heli..
**Raptor 50SE, GY601, Futaba **
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01-26-2006 01:17 PM  13 years ago
zrdcorp

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Caguas, PR

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Ozydego,

Before scrapping your heli all around, Did you ever try to use a different transmitter?

All my glitching & erratic servo problems disappeared just by using a different transmitter. Turns out mine was bad and it is currently in Hitec for Service. Yes, I also replaced every electronic component in the heli before thinking, what the heck, lets change the transmitter too.

You are stepping into a dangerous territory. First, your "grounding" will only ever work if every electronics manufacturer for the components in your heli also decided to use the negative as a ground, and also grounded the casings of the components.

Also, if you are only worried about Static electricity, you have no need to connect to any part of the battery or any other circuit for that matter. Just connect the two points in your heli that you suspect have a Differential in static charge (A static voltage). In this way, they will always have the same charge thus eliminating the necesity for a discharge through a spike or an arc.

Make sense?
Roger's Law: If it is worth doing it, it is worth exceeding it.
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01-26-2006 03:02 PM  13 years ago
Hoverdown3K

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Rochester, New York

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What is the cause of this Static people seem to have, I have a couple of belt driven helicopters and two T-Rex 450XL CDE's and have not had any static issues?

Is this causes by the carbon fiber boom?
-= I know there is Money in RC helicopters. I put it there=-
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01-26-2006 05:33 PM  13 years ago
Ozydego

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Westerville, Ohio

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I thought about just connecting all the carbon parts together, and connecting to the idler pulley to cancel out the static arcs, but I see no reason not to go any further by grounding it to the battery. Many others have done it in the past without any negative issue, so I figure why not give it a try myself.

I do have a ferrite choke... actually a pretty big one, and I definietly have considered my Tx as the problem, unfortunatley, I don't have a spare to try, so I figured I would try this first, since I haven't spent any money on the mod yet... My next step is actually to send my Optic 6 in for repair, cause once or twice, I had my simulator heli glitch on me.... that tells me something may be up with the TX for sure, but now I can't replicate the sim glitch, so... only time will tell... thanks for all the comments guys, I really appreciate all the interest...
But Honey, I can't live with just stock.....
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01-26-2006 07:54 PM  13 years ago
Ozydego

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Westerville, Ohio

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So, actually, good news to report... I ran a full pack through my rexy around the radioshack where I work, where I always have at least one glitch a flight, and no glitch. the tail servo chatter was also less, but I still did detect a chatter every now and then, but that could be due to it being so sensitive... it seems that the 401 in digi mode with the 9650 is really really sensitive... so, first flight was ok, but I am still skeptical, and will have to have many more tests to be sure this actually did help and was not a fluke... I do feel better though having the conductive material grounded, cause that has always been something that has bugged me...

Oh, and the conductive path was just an idea.. its not very practical, but I think like that... check out the first set of pics in my gallery with making a conductive path up through the main shaft for lighted blades from the main battery.... I still work on that from time to time...
But Honey, I can't live with just stock.....
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01-26-2006 08:51 PM  13 years ago
zrdcorp

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Caguas, PR

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That is just it !

I also had an Optic 6 (Still have it , it went to Hitec for Repair). Have you noticed that the glitches occur when you 'touch' or put your hand over the spectra module in the back of the Transmitter?

Mine was like that until eventually all it transmitted were glitches and noise...
Roger's Law: If it is worth doing it, it is worth exceeding it.
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01-26-2006 09:27 PM  13 years ago
OICU812

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Edson, Alberta, Canada

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All this grounding buisness is so bizaare, I have never had to do it....Once upon a time there were Nitros, flybars and frequency pins...
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01-26-2006 09:40 PM  13 years ago
Ozydego

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Westerville, Ohio

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I never did it, until i got this new carbon frame and my issues showed a little different. I think its the combo of my Tx and Rx, just not being strong enough to keep the bad signals out, so other methods need to be used to cut down on the interference that higher end radio equipment doesn't have issues with. Also i am anal about my heli, so one glitch and I'm all over it trying to add fixes to make it go away...But Honey, I can't live with just stock.....
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01-27-2006 05:19 AM  13 years ago
TrexZ28

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San Diego, CA, USA

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Static fix works!
Ozydego

I did almost the same setup you did for the tailcase and CF boom, ran the wire all the way to the (-) connection to the battery and tested it earlier today on my lunch break. I used to glitch almost as soon as my headspeed was way up 2600-2800rpm. Heli would twitch, sometimes bad enough to scare me into landing the heli before it gets trashed. Makes sense, once the RPMs are up enough, the belt drive starts generating static discharges. I used to get this 3 or times during each flight. Did 2 test flights today, all screaming high RPM flights in Idle2, when it would most likely glitch. Only got one small glitch on each flight. HUGE IMPROVEMENT. Used to think my Electron6 receiver was total garbage. Tried the ferrite rings, chokes that clamp on, re routing wiring, relocating components, re balancing, tried to eliminate as much vibes as possible, checked bearings,on and on and on. Static discharge was the prob all along. Everything is grounded now, even the PLASTIC grey 450X frame I'm still using. I'll try posting pics of my setup later. More testing to be done tomorrow. Great post. THANKS!!!
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01-27-2006 11:46 PM  13 years ago
TrexZ28

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San Diego, CA, USA

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Glitches gone
Ran 2 packs today on my lunch break, two flights. No glitches at all. Both flights high headspeed idle2 mostly. Did some loops and backflips mostly and cruised around FF. GLITCHES GONE! Time to build an SE with the same fixes.
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01-28-2006 12:21 AM  13 years ago
kookboy

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Vancouver, BC

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Nice.
I'll do the same on mine.
Pls post pics if you have any.
... But honey it was only $$$
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Home✈️Aircraft🚁Helicoptere-AlignOther › My Static Fix
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