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Feb 02, 2007, 09:27 AM
Senior Moments...I forgot
JohnC's Avatar
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Dx7 with a AR6100


I am cosidering a DX 7 and the AR 6100. Question is the AR 6100 Dual Link like the AR6000.

Second question. Does the AR 6000 support Model Match with the DX 7. The spektrum web site seems to indicate it does.

So far I have not been able to get the answer about Dual link on the AR 6100.

John F. Clarke
AMA 9473
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Feb 02, 2007, 09:42 AM
Flys with Thumbs
Danal Estes's Avatar
No, the 6100 is single antenna, single receiver. It is a dipole antenna (two pieces of wire visible); note the 7000 is two antenna, two receiver, and therefore has four pieces of wire visible; the 6000 is/was two antenna, two receiver, monopole antennas and therefore had two pieces of wire visible... but their twice as long as each piece on a 7000/6100.

Yes, the DX7 supports model match when used with a 6000 (or 7000 or 6100); i.e. the DX7 model match feature works with any currently shipping receiver (and by the nature of how it's implemented must work with any possible future receiver).
Feb 02, 2007, 12:04 PM
Registered User
So the AR6100 is not using DuaLink. Does that mean it only uses one channel (= frequency) to receive the DX7's signal?
Feb 02, 2007, 01:33 PM
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Quote:
Originally Posted by airger
So the AR6100 is not using DuaLink. Does that mean it only uses one channel (= frequency) to receive the DX7's signal?

no, the 6100 still uses two channels as a safety incase one of the channels starts receiving interfearence, it goes into the second back up channel. I believe that is part of the DSM2 system that comes with the DX7/AR7000/AR6100
Feb 02, 2007, 03:12 PM
Registered User
Ok, that's good to know. Thus, the range and safety of the two receivers should be almost the same.
However, is the AR6000 the better option for larger parkflyers - because of its two receivers?
Feb 02, 2007, 03:42 PM
Registered User
I'm not a pro and I don't know everything about this radio/receiver but I would say not really. What makes the AR7000 better isn't the fact that it has two receiver's, it's the fact that you have two receiver's with the antenna's heading in two different direction, one from left to right and the other from top to bottom. This give's it a better chance of receiving information from the TX when the AR6100 and the AR6000 would normally be blocked by something, such as an engine or some carbone fiber section's and stuff like that. The AR6000 will still have the same issues as the AR6100 would have when it comes to this, the dipole is still going in one direction, if that signal is interupted for whatever reason, there is no second receiver in another location in a different orientation that could still be picking up the TX signal.

For what it's worth, if your flying a parkflyer, a foamy, small heli, I would still suggest the AR6100 over the AR6000, it's lighter and it is DSM2 which is greater security. Your TX will also use less power when linked to a DSM2 receiver. If you are flying a balsa plane, electric or glow, large heli, or anything that has large metal object such as an engine or something that could posibly block receiption, go with the AR7000.

Ralph
Feb 02, 2007, 06:57 PM
Flys with Thumbs
Danal Estes's Avatar
Quote:
Originally Posted by LS427
no, the 6100 still uses two channels as a safety incase one of the channels starts receiving interfearence, it goes into the second back up channel. I believe that is part of the DSM2 system that comes with the DX7/AR7000/AR6100
Can you cite a source for this statement? I've understood the 6100 to be single receiver, and therefore single frequency.

I suppose, given that the DX7 is still transmitting two, that the 6100, if interfered with so badly that it drops the link and goes back into scan mode (like at startup), it could 'find' either frequency and lock back on... but it's hard to equate this in any way with the 6000 and/or 7000 which recieve both frequencys all the time and use whichever gives the cleanest signal. Is that what you mean?

If so, the difference to a pilot is huge. A 6000/7000 pilot will never see a minor glitch that affects only one of the links, vs several seconds of non-control (e.g. fail safe positions) with a 6100. Very different.

??
Feb 02, 2007, 07:40 PM
Registered User
I'm not in my office now which is where I have the video, but I saw it in the video. There where several video's that I downloaded which I think it was from Spektrum's website which they talk about the new DX7. In one of the video's he mentioned that the AR7000 and the AR6100, both, dialed into two channels at startup, that was suppose to be part of the DSM2 system which I believe, I am not sure on this, the DX6 didn't have. The AR6000 is not DSM2, it is DSM1, therefore it will use more power from your TX since your TX will have to switch to DSM1 mode. Anyways...on the video I do remember him saying that both receiver's since they use the DSM2 system pick up two channels. It uses just one of the two channels. IF there is interfearence with the first channel which he said he highly doubts that will ever happen, it will jump to the second channel it found free at startup. In the same video he also mentioned that he suggest's no use of line filter's like some people do with their 72mz systems, so when I installed my AR7000 in my 3D plane I removed the filters. I'll see if I can find those video's through the web, if not, I'll post it on Monday.
Feb 02, 2007, 07:51 PM
Registered User
I found the link with all the video's here:

http://www.spektrumrc.com/Products/D...ProdID=SPM2710

One of those video's he mentions it. I did read up on the DX6, like I said, I'm not a pro on this radio and I've only had mine since Christmas but haven't had the pleasure of using it much. The AR6000 also picks up two channels but not with the new DSM2 system which is suppose to be clearer and more imune to interfearence. Hope those video's help out some.
Feb 02, 2007, 08:23 PM
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Eury's Avatar
As I understand it, each receiver is capable of receiving both channels. So the 6100 gets both, it just doesn't have the multipath capabilities of the 7000
Feb 02, 2007, 10:51 PM
Flys with Thumbs
Danal Estes's Avatar
Interesting clarification... I'll watch the videos.
Feb 02, 2007, 11:16 PM
Moved
Last edited by 3djunkie; Feb 03, 2007 at 01:18 AM. Reason: Moved to different thread
Feb 03, 2007, 08:02 PM
Flys with Thumbs
Danal Estes's Avatar
Based on a reply by Paul Beard (brains behind Spektrum) in another thread, where (among other things) he said of the AR7000 "...with no fade...the base unit receives 4 frames...", it is very apparent that each Spektrum receiver listens on both channels. Based on those statements and the videos, my doubts are now removed and it is quite clear that the AR6100 uses its single receiver/antenna to listen to both channels.

Good to know.
Feb 04, 2007, 09:21 AM
Senior Moments...I forgot
JohnC's Avatar
Thread OP
I know the AR 6100 has one antenna, the AR 7000 and the AR 6000 have two antennas oriented 90 degrees to each other.

Think about it one antenna has only one antenna to pick both channels, The orginal AR 6000 made much noise about the two antennas oriented 90 degrees to each other so they would not be blanked by plane orientation.

Think about that!

John F. Clarke
AMA 9473
Last edited by JohnC; Feb 04, 2007 at 04:47 PM.
Feb 04, 2007, 03:50 PM
Registered User
ok. But why didn't they build the AR6100 the same way, i.e. with two antennas?


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