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04-22-2011 05:15 PM  7 years agoPost 1
bobmoser

rrApprentice

Edmond, OK

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Has anyone ever had the Stator Gator cause feedback to the receiver. My Spectra keeps getting RF hits and I am thinking it may be coming from the new Stator Gator I installed. Any thoughts?

Thanks,
Bob

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04-22-2011 06:06 PM  7 years agoPost 2
rbort

rrProfessor

Franklin, MA - USA

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What exactly are you seeing?
Can you describe it?

And what happens if you either turn the govenor off or unplug the stator gator?

Just trying to start the diagnosis process.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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04-22-2011 06:41 PM  7 years agoPost 3
shawmcky

rrElite Veteran

Isle of Wight,United Kingdom

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Just a thought do you have the resistor spark plug fitted and is your spark plug lead braided,might be shorting and causing the glitch.Is this a new machine,i mean just built?

Team- unbiased opinion.K.I.S.S principle upheld here

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04-22-2011 08:21 PM  7 years agoPost 4
bobmoser

rrApprentice

Edmond, OK

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Little history:
The helicopter is a new build. Running a RC290G with the kill switch Stator Gator (SG) installed through a Futaba GV-1. First few flights were just fine without the SG installed I was just using throttle curves. I think I flew it about 5 times. A lot of hovering mixed with some forward flight and figure eights.

First flight after the SG was installed the heli was in a hover around 20 ft in the air and blades went full pitch with nose up. I turned around and ran when I seen the top of the rotor head coming strait at me. Then I looked back and it was just hanging in the air so I hit throttle hold and did an auto rotation landing. Was happy nothing was trashed just worried what caused the glitch. I was initially thinking my spark plug wire was not fully seated so I reseated it. Spent a long time running the radio & receiver without the engine running to see if I could get it to glitch again. Nothing.

So I put it in the air again. This time the damn thing was in hover at about 10 ft and went full negative pitch. Hit the ground before I could slam the throttle hold. Broke the skids, blades, and crushed the nose of my canopy. Was still able to regain enough control to save the rest.

I did find something rattling around inside my receiver after the second incident. Replaced the receiver (Spektrum AR9000). So for my next flight I put it in the air without the SG plugged in. No issues a little hovering and some forward flight again. I am fairly confident that the problem was with the receiver however I am a little worried. My question is “can the SG fail and cause this to happen”?

Thanks,
Bob

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04-22-2011 08:51 PM  7 years agoPost 5
Helimech

rrApprentice

Galveston, Texas

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Stator Gator
Bob,

I have flown a ton of Stator Gator equipped helis, and never had any issues with them. I think as you --- it's going to have been the receiver. I have never even had a SG fail, so I don't know what they would do, if anything. You might want to e-mail Stator Gator and see what they say.

AR-15........the REAL homeland defense league!

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04-22-2011 10:04 PM  7 years agoPost 6
bobmoser

rrApprentice

Edmond, OK

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Sounds the same...
Chris at SG said the same thing. I will load the thing up tonight and try again. This time I think I will plug the SG back in and see if she is okay. Just wanted to see if anyone had a SG cause anything like this. Kinda has me skidish everytime I fly now. Been flying for years and have never had one of these things try and eat me like that.

Thanks,
Bob

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04-22-2011 10:05 PM  7 years agoPost 7
rbort

rrProfessor

Franklin, MA - USA

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Receiver bulletin
Have you seen the receiver bulletin about gluing down the capacitor in there? There were talks of that coming loose and causing models to crash and there is a tech note about it. Most were recalled and fixed but maybe yours missed that? That really sounds like your issue, take a look at the bulletin (I'm pretty sure I saw it on Horizon's website) and see for yourself what is loose inside.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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04-22-2011 10:52 PM  7 years agoPost 8
HelBilly

rrNovice

Birdsboro Pa

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Good Call Raja
http://www.spektrumrc.com/Articles/...?ArticleID=1709

Every solution breeds new problems

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04-23-2011 12:16 AM  7 years agoPost 9
bobmoser

rrApprentice

Edmond, OK

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Raja is correct, however...
Yep, that is exactly what fell off of my receiver. The damn capacitor is floating around inside the box.

Put a new receiver on today and the thing has an ignition hit now. SG is totally disconnected so it can't be it. As soon as I start the engine the swash jumps like its getting some ignition feedback. The first start seemed like everything was good so I set it out on the pad and ran the engine up really slow. at about quarter stick the heli jerked up. I almost didn't notice it so I continued the run. Keeping it at quarter stick and the thing jerked up again.

If its not one thing its another with this thing.

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04-23-2011 12:30 AM  7 years agoPost 10
rbort

rrProfessor

Franklin, MA - USA

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At this point
Go with shawmcky's suggestions, they are good ones.

I've seen people with a spark plug with no R in the number and it causes this issue. Also the braid thing can be leaking if you have it on.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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04-23-2011 01:39 AM  7 years agoPost 11
dre4473

rrApprentice

Clarksburg WVa

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Same probs..
I have the same issue on my nw G as well.Running a stator gator with gv1, ar9000 twin sats,g231 engine..Same as the guy above with the glitch..As heli sits, its fine..engine starts and the sats go blink and the swash and all go nuts!! Running a NGK cmr7h plug so its a resistor one..I have tried different sats, different sat leads, changed out the align regulator I had on it for a reactor x..I have not yet tried a different RX or removed the gator..Any one else..

Donald R. Edwards JR Fly it like you stole it!!!

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04-23-2011 02:17 AM  7 years agoPost 12
HelBilly

rrNovice

Birdsboro Pa

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High voltage interference
I once read a thread on the Bergen Forum about a magic wand for finding hight voltage leaks from spark or static discharge. It was just a voltage tester that you can buy from Home depot for $15

http://www.homedepot.com/h_d1/N-5yc...catalogId=10053

Every solution breeds new problems

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04-23-2011 03:08 AM  7 years agoPost 13
dre4473

rrApprentice

Clarksburg WVa

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problem found..
Well it was my new ar9000...The capasitor had come completly loose from the main board..Replaced with one exact from radio shack and works perfectly.. Thanks guys..I would never had thought to check that cap but was getting ready to order a new RX..

Donald R. Edwards JR Fly it like you stole it!!!

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04-23-2011 04:37 AM  7 years agoPost 14
rbort

rrProfessor

Franklin, MA - USA

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Damn!
I thought all those have been fixed but guess not?

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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04-23-2011 10:24 AM  7 years agoPost 15
shawmcky

rrElite Veteran

Isle of Wight,United Kingdom

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Sounds daft but a dark garage can be a good place to see an ignition lead short to earth.Blades off of course

Team- unbiased opinion.K.I.S.S principle upheld here

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04-23-2011 02:17 PM  7 years agoPost 16
ChrisK7

rrApprentice

Stanfield, Ore. 97875

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On my newly built Radikal G30 I had a little glitch happening to me also. It ended up being the throttle servo wire being too close to the coil wire. I moved it just a few mm's away and problem solved.
I don't run a SG or shielding myself. I also have the fiberglass frames, not the carbon fiber frames which I believe can sometimes cause problems with glitching.
I'm also running 72 MHz PCM receivers on my heli's.

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04-23-2011 02:54 PM  7 years agoPost 17
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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I've been running these things for years and never had a problem caused by them.

the signal coming out of them is cleaner that what is coming out of magneto.

Proprietor - Gas Powered Helicopters

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04-23-2011 03:31 PM  7 years agoPost 18
shawmcky

rrElite Veteran

Isle of Wight,United Kingdom

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I have also had HT interference play havoc with a throttle servo,scary stuffThis was on a conversion(JR Airskipper)moved the servo and problem solved(Also with a PCM receiver)

You can see from the pic the servo apeture and how close the lead was to the rear of the throttle servo.

Team- unbiased opinion.K.I.S.S principle upheld here

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04-24-2011 01:43 AM  7 years agoPost 19
bobmoser

rrApprentice

Edmond, OK

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Got it back running like a top!
Thanks for all the suggestions and PM’s. I went through the thing with a fine toothcomb and check everything after replacing the receiver. After pulling the plug boot off and fixing the copper conductor everything is working great. I’ve now completed my gallon breaking and will soon be switching over to my synthetic blend. Just if I could keep the electronics from getting so hot when the canopy is installed. I have installed a small diverter but for some reason hot air is still stagnating inside the canopy. Everything runs perfect and cool to the touch with the canopy off though. Guess I am going to have to start cutting more of it away until I can get it to start breathing right. Thanks again all…

Bob

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