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HelicopterMain Discussion › V-Bar with DSM2 and DSMX
08-28-2012 03:23 AM  5 years agoPost 1
Twrecks600

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Round Rock, Texas

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Quick question....

I had an Align 3g AR7610 with the DSMX satellite mounted on a Trex 700E and a DX7 SE transmitter keeping it all together. I recently upgraded to a Mini V-bar blue and used DSM2 Satellites. I noticed that the "quickness" that I had with the AR7610 was no longer there and I was wondering if I put DSMX satellites on the V-bar, would I get my old feel back? I heard that "turning up" the V-bar won't help as it's the 11ms that I'm missing out on by NOT having the DSMX sats.

Thanks in advance!!

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08-28-2012 04:07 AM  5 years agoPost 2
rexxigpilot

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Florida

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One point one hundredths (1.1 cS) of a second difference between the 22mS and 11mS won't be detectable even if you are Superman. I'd look for something else making your V-bar feel slow.

Under the Expert Main Rotor menu, set Paddle Sim to 40 and Expo to 0. Get rid of TX Expo for Aileron and Elevator to start with then add some back until you like the feel.

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08-28-2012 04:12 AM  5 years agoPost 3
captrlp

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Spanish Fork, Utah - USA

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The addition of DSMX satellites will not change anything with your setup, as the DX7se doesn't support DSMX, so DSMX satellites will bind as DSM2. As well, the DX7se already utilizes 11ms frame rate, so again, no change.
If you've noticed a change in your heli, I would be suspicious that 22ms vs 11ms is perceptible.
Are you referring to quickness in relation to cyclic rates or the locked in feel of your heli?

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08-28-2012 04:12 AM  5 years agoPost 4
Twrecks600

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Round Rock, Texas

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I would have to disagree with your initial statement. When I went from the DX7 to the DX7SE, I actually noticed a difference in performance as well as most of the other guys at the field could tell that the machine was much more snappy!!

I will, however, give your suggested settings a try to see if that spices things up if I don't receive any solid evidence otherwise

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08-28-2012 04:18 AM  5 years agoPost 5
Twrecks600

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Round Rock, Texas

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@ captrlp

I really noticed a difference in aileron tic-tocs. When I switched to the DX7SE, I could hit the tic-toc almost as fast as I could move the sticks but when I switched to the V-bar, it definitely doesn't move near as fast. If it were in time, I could complete 2 aileron tic-tocs in one second pre V-bar versus now I can only do one per second. Does that even make sense?!! LOL!! I am a musician (drummer) so I am always thinking in rhythmic terms!!

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08-28-2012 04:26 AM  5 years agoPost 6
rexxigpilot

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Florida

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What agility value are you using in the V-Bar? Also, your gain could be too high. Do you have any oscillation?

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08-28-2012 05:22 AM  5 years agoPost 7
Twrecks600

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Round Rock, Texas

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Not sure of the agility value as a buddy helped me set it up since it was my first V-bar but the next time I'm in front of my laptop, I'll hook 'er up and check!!

I have absolutely no oscillations. Aside from the machine feeling a bit slower than it used to be, she flies GREAT!! I am totally loving the V-bar

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08-28-2012 07:33 AM  5 years agoPost 8
rspiegel

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Austin,TX South Buda

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bert

Hey Bert has some V-Bar setting out there that show you what to change. And Most say that it made the machine very hot. Which is what your looking for. Not sure were they are but just google Bert V-Bar and see if you can find them. Hook it to the laptop and copy his setting over to the Trex 700. I like mine just on the warm side. Though I have been wanting something just a tad bit more latley.

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08-28-2012 03:42 PM  5 years agoPost 9
Twrecks600

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Round Rock, Texas

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Thanks man!! Just found it and will be copying the settings the next time I'm at the field. I may duck out of work early to go fly today!! LOL!!

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08-28-2012 04:31 PM  5 years agoPost 10
Ronald Thomas

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Gainesville, Fl, USA

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First of all is the DX-7se DSMX capable? If not, there will be no benefit to switching sats. Your settings are off somewhere.

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08-28-2012 04:39 PM  5 years agoPost 11
McKrackin

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Lucasville,Ohio

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The DX7se is NOT DSMX...Just sayin

I literally never use the word literally right.

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08-28-2012 05:18 PM  5 years agoPost 12
Ronald Thomas

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Gainesville, Fl, USA

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I

In that case, you should bind in the "1-2 satellites digital center" mode and go about setting your tx from there. If you bound in DSMX mode, I bet your log will show a bunch of missed inputs. Please check that and advise.....Ron

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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08-28-2012 05:27 PM  5 years agoPost 13
McKrackin

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Lucasville,Ohio

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I bound mine in Spektrum Satellites 1 or 2

I saw the digital center option but didn't use it...Didn't know what it means.

I have DSM2 satellites.

Should that be changed?

I literally never use the word literally right.

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08-28-2012 05:40 PM  5 years agoPost 14
Twrecks600

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Round Rock, Texas

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Isn't the DX7SE 11ms latency versus the DX7 22ms? The receiver can "talk" faster with the radio correct? If your receiver / sats can't receive the faster signal, the machine will be slower no?

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08-28-2012 05:50 PM  5 years agoPost 15
McKrackin

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Lucasville,Ohio

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BUT the DX7se is DSM2 and it will bind in DSM2 mode no matter what satellites you use.

RX's are not 11ms or 22ms....They get the signal and pass it along.

The satellites will bind in DSM2 mode if the radio is DSM2...Even DSMX satellites.

DSMX is not about latency.
It's about diversity.

I literally never use the word literally right.

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08-28-2012 07:00 PM  5 years agoPost 16
Ronald Thomas

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Gainesville, Fl, USA

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McKrackin

No need to change it, the digital center will just be easier to calibrate the tx to the VBAR program. Usually 1-2 clicks of subtrim is all that is needed.

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08-28-2012 08:22 PM  5 years agoPost 17
Twrecks600

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Round Rock, Texas

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I'll have to re-check my settings then. Heading home to do it now!!

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08-28-2012 11:49 PM  5 years agoPost 18
Futura SE

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Fayetteville, Arkansas

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Digital center just makes it so usually no sub trim is needed to sync the channel to the vbar. If you have DSM2 use it. I have for long time. Proven to work great. No issues whatsoever.

If you have DSMX sats and a DSMX TX with the only exception of the Spektrum DX6xi or whatever it is called you select DSM Sats. If your radio will do the 11ms then select it if you like. Not required. I know the JR 11X i had only did 22ms not that it matters.

I now use a Spektrum dX18 and DSMX sats and bind at 2048 11ms.

If you have a model that you aren't going to take to IRCHA or a huge fun fly then use those DSM2 sats. They still work and work great. I flew a Henseleit TDR off them for a LONG time. Never had a single issue.

DSMX is just so things hop and don't have a issue in a SUPER overcrowded area like IRCHA or etc. Ironically I did not hear of a single lockout at IRCHA this year. No brand.

Norman Ross Jr.

Team Mikado USA -- Team Insane Canopy -- Team Scorpion -- Team Evo Power Batteries

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08-29-2012 03:57 AM  5 years agoPost 19
Twrecks600

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Round Rock, Texas

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After 4 years of flying, I am learning something new!! I was totally ignorant on the whole concept of latency and resolution. I am now educated in the matter!! LOL!!

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08-29-2012 10:03 PM  5 years agoPost 20
Twrecks600

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Round Rock, Texas

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Report:

I took Rich's advice and downloaded / installed Berts settings and all I can say is WOW!! My machine TOTALLY came alive and flew like it has never flown before!!

Thanks again for all the advice / help guys. I really appreciate it!!

Team me

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HelicopterMain Discussion › V-Bar with DSM2 and DSMX
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