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Spektrum DX-7

Old 02-05-2007, 10:35 AM
  #1351  
ncrego
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Default RE: Spektrum DX-7

Sure, you can swap receivers around, but you will need to rebind them when you do.
Old 02-05-2007, 10:58 AM
  #1352  
Flypaper 2
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Default RE: Spektrum DX-7

Or do as I do, use the smaller rcvrs., at about half the price, if you don't intend to fly more than 2000 ft away.
Old 02-06-2007, 01:20 AM
  #1353  
speedpro 1
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Default RE: Spektrum DX-7

Discussion - AR6100 failure

--------------------------------------------------------------------------------

after watching my new park flyer jet suddenly take a down elevator and crash ( i had no control of elevator) plane was only 100 feet away heres what i found after trying to duplicate problem for a couple of hours (radio and gear on for a while then off then on it finally happened heres what it did tapping on 6100 then watching elevator went to max down one second then back to neutral 10 seconds later without tapping rudder went full right and stayed there i moved rudder stick onTX NOTHNG all other controls working tapped on connector on RX rudder to neutral then a couple of seconds later the orange light went off about one second then back on has not done it again tonight
Old 02-06-2007, 06:43 AM
  #1354  
skorman
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Default RE: Spektrum DX-7

My Mini Ultra Stick with an AR6100 also spiraled in uncontrollably without warning. I had lost all contact with the plane after flying for around 6 minutes on a fully charged 2100 lipo battery. When I got to the plane everything was working fine. The concensus at the field was that turbulance from a Euro Fighter jet taking off caused my problem. I was flying on the other side of the runway, the jet took off and I was coming around to land so I could watch and as I got to the runway, it spiraled in. I called Horizon to talk to them about this and they blamed my setup of the Mini Ultra Stick saying that plane called for a separate BEC or receiver battery. When I told the guy I was running only 4 servos, (no flaps), he said that he had heard the MUS needed a separate BEC regardless. When I challenged him on this, he got annoyed with me and said I could send the receiver in but chances are they will find nothing wrong. I've since fixed the MUS and have been flying it with the same 6100 receiver and so far so good. Not flying with jets either.
Old 02-06-2007, 03:33 PM
  #1355  
JuanPu
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Default RE: Spektrum DX-7

after watching my new park flyer jet suddenly take a down elevator and crash ( i had no control of elevator) plane was only 100 feet away heres what i found after trying to duplicate problem for a couple of hours (radio and gear on for a while then off then on it finally happened heres what it did tapping on 6100 then watching elevator went to max down one second then back to neutral 10 seconds later without tapping rudder went full right and stayed there i moved rudder stick onTX NOTHNG all other controls working tapped on connector on RX rudder to neutral then a couple of seconds later the orange light went off about one second then back on has not done it again tonight
Let us breathe... (sorry, couldn't resist).

Old 02-06-2007, 09:32 PM
  #1356  
NJRCFLYER2
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Default RE: Spektrum DX-7

Where are you guys getting AR6100 receivers? They're not out yet to the GP yet.
Old 02-06-2007, 09:38 PM
  #1357  
ncrego
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Default RE: Spektrum DX-7

Of course they are, they came in at my LHS nearly a month ago, same time as the AR7000s. In my group of friends there's 4 in use, and I assure you, we don't have any kind of special hook up.
Old 02-06-2007, 09:57 PM
  #1358  
kolarshooter
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Default RE: Spektrum DX-7

I got three from the LHS. 45 bucks apiece.
Old 02-07-2007, 03:47 AM
  #1359  
NJRCFLYER2
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Default RE: Spektrum DX-7

Wow, that's cool that there are hobby shops carrying it. What's the name/number and do they mailorder? Mine keeps telling me the same thing that the Horizon site still says:
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Old 02-07-2007, 08:44 AM
  #1360  
JuanPu
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Default RE: Spektrum DX-7

Have a look at:

[link=http://myrcsupply.net/index.php?main_page=index&cPath=22_23&sort=4d&page=3&zenid=9797a390e673f21d9ae7a2806580c34b]MyRcSupply[/link]

Old 02-07-2007, 09:21 AM
  #1361  
kolarshooter
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Default RE: Spektrum DX-7

I'd guess they sold-through their last "batch" and are awaiting more from the far-east.

Good luck!
Old 02-07-2007, 10:28 AM
  #1362  
skorman
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Default RE: Spektrum DX-7

Anybody out there having good luck with their 6100 receivers?
Old 02-07-2007, 11:00 AM
  #1363  
Jerry C
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Default RE: Spektrum DX-7

My 6100 receivers work fine.
Jerry
Old 02-07-2007, 12:13 PM
  #1364  
ncrego
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Default RE: Spektrum DX-7

Mine work fine, haven't had any problems with any of the ones in my group of friends, despite the amount of punishment they get being flown indoors (we hit a lot of stuff, and each other). That page from Horizon isn't saying that they haven't been released, it's saying that they are sold out.
Old 02-07-2007, 05:50 PM
  #1365  
jm_obrien
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Default RE: Spektrum DX-7

I have had no issues with my AR6100 either. Currently in a CP Pro electric heli but I know of others installed in planes and they haven't experienced any problems either. I got mine the week of Christmas, it was a nice surprise considering Horizon's site said it was not available at the time.

Jon
Old 02-07-2007, 06:51 PM
  #1366  
speedpro 1
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Default RE: Spektrum DX-7

im glad everybodies 6100 are working. i have two one works one will move control surfaces either rudder or elevator to full lock intermittenly
Old 02-07-2007, 10:03 PM
  #1367  
FlyEng
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Default RE: Spektrum DX-7

As with any brand out there, there are problems from time to time. I recently had an Airtronics Receiver that died a slow death. It just started twitching the surfaces sort of like metal on metal interference. Turned out to be a failed ic. $18 later they repaired it to 100%. My Spektrum is working flawless across the board.
Old 02-08-2007, 09:51 PM
  #1368  
bobbyg
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Default RE: Spektrum DX-7

Just curious what folks are hearing about reliability of the new 2.4 spectrum stuff. Initially some of us old timers were a bit skeptical about the 2.4 range and performance but we have been gaining confidence as we see guys flying 40-lb TOC birds, jets, choppers etc without problem. An event witnessed today kinda rolls back my enthusiam---a gent lost his Extreme Yak 54, basically went into a dive from 75ft---locked up or fail-safed or whatever these do. Pilot very skilled 3D etc, no dumb thumbs here. Not much left, at least $1000 loss. Batteries, switch, connectors all appeared healthy (at least what was left), all new top-end stuff, installation was superb, etc but who knows. We are left wondering about the radio link---everything I read seems to scream total success/no problem with this equipment----is that the whole story or do some of you have stories like mine......just curious.

BobbyG
Old 02-08-2007, 10:07 PM
  #1369  
smooreace
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Default RE: Spektrum DX-7

Is there anyone that can honestly say that they believe that ANY radio has never been to blame for the complete loss of an aircraft? Every brand, every model.. sooner or later some of them are GOING to fail. Some will be recoverable failures, some wont. Ive wrecked my plane 2 out of 2 flights. Its not at all radio failure... Im just doing something stupid. If, and when it fails I will pick up the pieces adn build agian. I love the radio myself, but have very limited experience with it.
Old 02-08-2007, 10:13 PM
  #1370  
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Default RE: Spektrum DX-7

G'day Mate,
I have a Spektrum DX7, & I have had perfect success with mine, no problems at all.
Having said that, I have had planes crash, recently, before I bought my DX7, & everything was checked, batteries cycled, range tested, & I still had a failure, I think it was a receiver, It doesn't matter what the radio is, things fail, a switch, a servo lead connection, or battery connection, servo gears, bad cells in the receiver battery, jammed servos, the list goes on, so if you want a guarantee that the DX7 will prevent crashes, sorry, that is just not true.
Old 02-08-2007, 11:20 PM
  #1371  
speedpro 1
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Default RE: Spektrum DX-7

have 8 AR6100 receivers and one of them was bad causing a crash to two planes. I too observed a full deflection of a control surface (one was rudder, other was elevator) after about 1 minute of flying time. I replaced the receiver and have had no problem since. I guess that there will be a bad one come off the production line occasionally. I hope there will be no duds in the next batch. Just wanted to add my experience to the list for documentation purposes.

I had the same scenario as speedpro 1 with my receiver. Two of my AR6100s were causing my planes to either pitch full up or full down. I have 4 AR6000's and 3 AR6100's. My AR6000's have been rock solid. However my 2 of the 3 AR6100's have had problems. My 3rd AR6100 I am afraid to use it, because of these issues. I have sent my DX7 to Horizon Service Center to get checked. Again, my AR6000's have been rock solid in performance. I might be sticking with the AR600 RX versus the AR6100. My AR6000's are reliable and so far the AR6100 has not proven itself. I just found out yesterday a friend lost his TREX 450 with the AR6100. I have read on this thread that one other person has experienced the same thing. Did Spektrum get a bad batch of RX's? I know have at least two of them. Is anyone else having the same problem as us? I have not flown for over a week because of this problem and am irritated. I hope I get my TX back soon.

Tom





i love the radio and the ar7000 but there IS a problem with the 6100 listed above are two more from other forums and theres alot more.
Old 02-09-2007, 12:37 PM
  #1372  
Panzlflyer
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Default RE: Spektrum DX-7

If he used JR servos they have been reports of locking at full deflection
Extreme Yak 54, basically went into a dive from 75ft---locked up or fail-safed or whatever these do. Pilot very skilled 3D etc, no dumb thumbs here. Not much left, at least $1000 loss. Batteries, switch, connectors all appeared healthy
If he used JR servos they have been reports of locking at full deflection so maybe not the reciever.

I still believe its hype when they say "immune" to rf....I would say "better"

Best to not get complacent.

Still its a good system and I have purchased more recievers and use an old stick to flight test them before putting in my 35%
Old 02-09-2007, 04:03 PM
  #1373  
speedpro 1
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Default RE: Spektrum DX-7

hitec 65. and they moved to full deflection without TX input
Old 02-09-2007, 09:55 PM
  #1374  
Panzlflyer
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Default RE: Spektrum DX-7

Although I use Hitecs as well as JR and Futaba there have been a fair share of Hitec digitals locking up as well...voltage seems to be the bigest culprit on all of them and the Spectrum is not immune to that as well....now if we could get away from the 4.8-6v issue it would be even better
Old 02-09-2007, 10:51 PM
  #1375  
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Default RE: Spektrum DX-7

ORIGINAL: bobbyg

a gent lost his Extreme Yak 54, basically went into a dive from 75ft---locked up or fail-safed or whatever these do. Pilot very skilled 3D etc, no dumb thumbs here. Not much left, at least $1000 loss.
BobbyG
Now the guy who lost the $1000 Yak 54, certainly wasn't using AR 6000's or 6100's, and so, what is the track record for AR 7000 receivers ? It's the AR 7000 that is the companion Rx for the Dx-7 system, and the one Big Bird flyers will be using.

> Jim

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