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HomeAircraftHelicopterAudacity Models P6 Pantera - Tiger 50 › Radio packs it in.
03-30-2009 09:10 AM  9 years agoPost 1
tacoturbo

rrApprentice

Kauai, Hawaii

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Hooboy! What a day. Nothing went right. My wife is super sick with the flu she caught from a co-worker that insisted on coming to work...sick. Then as I wrestled with the pitch setup for 6 hours I finally get it done with John's help my DX6i decides calls it quits. All of a sudden my 401 is blinking and won't respond, then I get major servo shudder as I stir the sticks around. The shudder happens as the sticks past center position. This is on the cyclis as well as the collective. I checked my flight pack and it seems to have sufficient voltage with a voltwatch (full). No I don't have a loaded volt meter. I even recharged the rx battery and no dice. The shuddering was fairly persistant but intermittant at times. I changed out the rx and no joy. I then used my spare DX6i, bound that to the Pantera and no shudder but the 401 refused to work. The LED says no signal from the rx. All connections are verified and move around to reduce the chance of interferance. I'm at a loss, Dang, I started at 7:15 this morning and gave up at 6 this evening. To top it off, I went to ACE to see if I could get some extra screws, I accidentally must have dropped my main blade grip bolt on the ground somewhere. Damn, when it rains it pours.

TT

I don't do 3D....no wait. Oh thats right, I can't do 3D!

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03-30-2009 10:00 AM  9 years agoPost 2
Saint728

rrProfessor

Honolulu, Hawaii

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That doesn't sound like a fun day to me. At least you didn't crash the helicopter.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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03-30-2009 11:28 AM  9 years agoPost 3
jbiter

rrKey Veteran

Sebring, FL

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I recall hearing about a service bulletin on the DX6i. Could be your problem. http://www.horizonhobby.com/Article...?ArticleId=1901

Jeff

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03-30-2009 11:41 AM  9 years agoPost 4
DSW

rrApprentice

Oviedo, Florida 32765

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No disrespect intended, but,
Did you ever think that all this happended because you should have been caring for your sick wife instead of working on your heli?

Although, I can remeber being guilty of the same thing.

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03-30-2009 01:57 PM  9 years agoPost 5
ProModeler

rrElite Veteran

Sanford, FL (Orlando area)

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Reminds me of the time I crashed my Pantera three days running. I was so frustrated I could scream. While at an impromptu gathering of local fliers I asked a friend for help and he asked, did you exchange, receiver (yes), governor (yes), servos (yes), servo extensions (yes), gyro (yes), etc., etc., etc.

Frankly, I thought I had done it all and what was happening is I'd touch the starter probe to the model and the servos would glitch. And not always the same servos= would glitch, and not always the same amount of glitch, but always 'something' happened that would leave me feeling something wasn't quite right. Anyway, after wrestling with this for days, and worse, with three minor 'incidents' when I bulled ahead I was, to say the least, bummed out.

Anyway, long story shortened, my pal Rodney Shatera started going over what I had done and with me hovering about turned to me and said, "Go away you're making me nervous!" So, wounded, I left to hang out with some other guys and a little while later he fired her up (by the way, a Futaba 14MZ) and she settled into a beautiful hover! I scurried over annd he said, he'd unplugged the sensor for the governor. Yes, a passive sensor on a GV-1 governor was the cause!

Anyway, I understand your frustration because no matter what your level of experience, these things can happen.


John Beech
AMA # 47381
IRCHA #745

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03-30-2009 02:05 PM  9 years agoPost 6
Life_Nerd

rrVeteran

USA

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I most recently had a problem on a DX7/AR6100 setup where a bad rudder servo was causing ALL servos to glitch when giving rudder input and the receiver would periodically power-on-reset. It must have been seriously loading down the power bus. I would suggest unplugging all servos but one and check for glitching, then plug them back in one by one.

A replacement servo fixed the problem.

Scott

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03-30-2009 02:18 PM  9 years agoPost 7
The Dude II

rrVeteran

IN - USA

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ditto on a GV-1 sensor!

Had me all corn-fused for a flight or two...fortunately it was just the throttle channel that was freaky for me.

lotta ins, lotta outs

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03-30-2009 02:57 PM  9 years agoPost 8
ProModeler

rrElite Veteran

Sanford, FL (Orlando area)

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For me that governor sensor remaains the simgle most frustrating experience with radio equipment in my life. Until then, it was a simple diagnosis but I suspect we're seeing new things as the systems become a bit more complex. In days past, receivers would work well beyond (lower voltages) when servos would pretty much quit.

A long time ago, with a World Engines S-11 servo, which used a pot for centering (sub-trim) I had a crash. What happened is adjusting the pot was beneath the output shaft so you removed the servo arm and stuck a 1/16" wheel-collar size allen down the hole and adjusted for neutral position (precursor of sub-trim today). By the way, my previous servos, Kraft KPS15 and KPS 14, required me to disassemble the servo, loosen a tiny flat head screw about 1/8" long, which secured the pot in place to it's plastic well in the servo, and rotate the wiper assembly to center. Even then though, we knew the importance of the Rule of 90° to ensuring control surfaces would deflect equal amounts from center.

By today's standards, these things are tomfoolery, but in the day (right there . . . I just became my Dad - I said 'in the day', egads!) but I digress. In the day, this was de rigeur for our equipment.

Over time, the single most destroyer of models for me has been the radio switch, which is why I love the pin switch we offer. Anyway, by and large, despite being more complicated, I like the new stuff better than the old stuff.


John Beech
AMA # 47381
IRCHA #745

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03-30-2009 03:02 PM  9 years agoPost 9
GyroFreak

rrProfessor

Orlando Florida ...28N 81W

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No disrespect intended, but,
Did you ever think that all this happended because you should have been caring for your sick wife instead of working on your heli?
His wife probably told him 'Go away and leave me alone !!'

I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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03-30-2009 07:06 PM  9 years agoPost 10
tacoturbo

rrApprentice

Kauai, Hawaii

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Thats exactly right. She said "go away" I feel sh^%#y, go mess with your helicopters! I said....uhh ok.
TT

I don't do 3D....no wait. Oh thats right, I can't do 3D!

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03-30-2009 07:27 PM  9 years agoPost 11
TankDirt

rrKey Veteran

Illinois

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I know how you feel,I had just gotten my R90 all set up and I suddenly started getting very un-wanted piros (half piros all on its own) autoed it in.. couldnt find the problem to save my life. everything worked great. I was only able to duplicate the problem on the bench one time,I spent many hours wiggleing and checking components/wires and I found nothing.

So I decided to take it out again for some hovers (I know it wasnt smart) And I was so worried about the tail messing up that I kind of sorta forgot to do pre-flights,which resulted in and full pitch back flip right into the dirt.. I was sooooo mad (anger only covers up how sad you really are) , it even took out my beautiful radix blade =( oh well... But at that point I STILL didnt know what was wrong with my tail,I flew a R50 with each individual componant that was on my 90 and didnt have any issues....wtf

so I eventually just said screw it,bought a new DX-7,reciever,regulator,and battery. that whole deal took 2 months out of my short flying year, and it was right near the end... I deffinitly know how you feel.

But hey, Cheer up Charly

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03-31-2009 01:19 AM  9 years agoPost 12
tacoturbo

rrApprentice

Kauai, Hawaii

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Thanks for the words of encouragment gang. I'm feeling a bit squirrly on Spektrum radios right now. I might buy a Jr or Futaba, not sure which. I think I'll spend alittle more time to try and isolate the problem. I just can't figure out why the servos would twitch as you pass thru midstick when moving the controls. Even moving the sticks slowly it would do that. Strange.

TT

I don't do 3D....no wait. Oh thats right, I can't do 3D!

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03-31-2009 01:21 AM  9 years agoPost 13
petmotel

rrKey Veteran

DeKalb, IL.

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Over time, the single most destroyer of models for me has been the radio switch
I had been using a Gem "Super Rocker" switch after I decided to use unregulated A123 RX packs (except for step down to tail servo of course). Last four builds I just eliminated the switch in favor of a Deans Ultra plug.

I recently had one of those frustrating can't find it type of problems with a 600 electric. After destroying a ridiculous amount of parts, I ran it up in the basement with no blades and was treated to a nice little light show. Static all over the place between a JR 8900G tail servo (with aluminum case) and an aluminum boom. Had the servo mounted on a QUK boom mount which put it too close to the boom. Very expensive mistake!

Hope you get the problem sorted out, gets depressing after a while! Feels soooooo much better when it all comes to light!

Jay

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03-31-2009 07:47 AM  9 years agoPost 14
tacoturbo

rrApprentice

Kauai, Hawaii

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hey guys, check out my posts in the radios section under spektrum. I need some feedback and I don't know how to post a link. I'm such a noob

TT

I don't do 3D....no wait. Oh thats right, I can't do 3D!

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03-31-2009 08:58 AM  9 years agoPost 15
TankDirt

rrKey Veteran

Illinois

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03-31-2009 11:49 AM  9 years agoPost 16
petmotel

rrKey Veteran

DeKalb, IL.

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to post a link, copy and paste off of the address line of your browser. When you are on the page that you want to link to, highlight the address, right click, selct copy. Then when you want to post the link just right click in the reply box, and select paste, all done!

Jay

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