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HelicopterRadio - Spektrum DSM › Spektrum's new DSMX
02-18-2011 02:17 AM  6 years agoPost 361
TMoore

rrMaster

Cookeville, TN

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Heck man it was in the 70's here today.
A bag of boiled peanuts and some Duke's makes it even better.

TM

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02-18-2011 05:03 AM  6 years agoPost 362
drdot

rrElite Veteran

So. California,​Orange County.

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fwiw..

Here's how I feel...

Paul Beard for President!..

Seriously...This hobby ows him a debt of gratitude for bringing this sport/hobby into the 21st century...
Whichever of the competing systems you use....It's light years ahead of the 72Mhz systems we ALL used not so long ago...And as they evolve, they will only get better..

Me...I'm stickin' with Spektrum....

John.

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02-18-2011 05:18 PM  6 years agoPost 363
CoronaL

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Winnebago IL

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I for one really appreciate Spektrum stepping up to the plate and designing a work around and new protocol for something that really wasn't anticipated. They pioneered 2.4ghz in RC hobby. Prior to that, an event like IRCHA must have been a nightmare to police with FM/PCM 72mhz radios. 40 or more radios on at a time probably wasn't really even considered much of an option, although hindsight being 20/20, many will argue it was a logical extension of the technology; that events would grow and there could be an inevitable problem.

Well fast forward to NOW, and yeah there have been some rare instances of lockouts from frequency saturation. Most "lockouts" I've seen have been setpu issues or power(battery/regulator) issues instead of a true lockout. Futaba's FASST had some minor growing pains as well. Hitec's radio isn't even on my radar as the latency is just so horrible they should be ashamed. Airtronics has the benchmark system for speed, but my god, holding that SD-10G is like the worst radio I think I may have ever held in my hands. Being a bit dramatic I'm sure, but for a "flagship" radio from a manufacturer, they dropped the ball. When Airtronics can make a radio like a Futaba 8FGH, that feels good, looks acceptable, and programs well, I'm game for trying one.

In any event, back to Spektrum. Kudos to the continued development and products they put out. Not everyone's cup of tea, but that's a great thing to have; choices. Overall, I think we all owe Spektrum some thanks; whether we fly or buy their products or not. Their products and market competition has resulted in affordable pricing and probably higher quality and featured products from their rivals.

One of my lingering questions that I haven't seen address re: DSMx is what effects that protocol will have on system latency. Will it be latency neutral or the same as current? Will it be better? Or worse?

I'd consider switching back to my 11x, which thankfully I've kept when I got my 8FGH; if latency improves. I really like the latency of my new Futaba, but man the programming logic leaves something to be desired, compared to the relative ease of programming my 11x.

Randy!!! I am the liquor

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02-18-2011 05:53 PM  6 years agoPost 364
JasonJ

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North Idaho

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Just speculation, but I don't think there is any difference in latency.

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02-18-2011 07:17 PM  6 years agoPost 365
RAK402

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Alhambra, CA

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I have had friends with Airtronics and Hitec, both have experienced one lock-out each (one in an environment where they were the only ones flying, at the time).

We jump to criticize this or that system, but none are completely immune to issues. We seem to forget how good we have it now vs. the 72 mhz days (or since the 27mhz days).

I have a very great deal of Spektrum equipment and will continue to use it.

After DSMX has been in the field for a while, I will probably start migrating to that (I waited with Spektrum until it was accepted and widely used).

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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02-18-2011 08:49 PM  6 years agoPost 366
Juggernaut

rrApprentice

Canada, Great White​North

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This DSMX is being hyped up by the manufacturer as the next best thing.

27 MHz -> 72MHz FM -> 72MHz PCM -> 2.4GHz DSM -> 2.4MHz DSM2 now 2.4GHz DSMX what's Next ????? DSMX-II

There will also be issues once enough are found to be problematic the next generation will be tabled.

I started with 72Mhz I like to wait 2 years for technology to stabilize on something reliable and consistent, when 2.4GHz radio started to appear, this was great, but then problems started to appear, hearing lockouts and then satellite receivers required. I decided to wait.
I don't have $$$$ to drop into this hobby every time something new comes out.
I still use the 72MHz never had a lock out, brown out, or whatever
For me it's perfect, it does what I need it to do. To me it's a fun thing.
Other folks ask me to upgrade to spectrum, sure! buy me the gear.
What this boils down to, if you are happy with what you have, why go to the next step.
The only draw back I have, is I'm not permitted to participate at fun flies as there is a ban of 72MHz, that's fine I still get to fly any other times, and I still enjoy the show.



Finally learned to fly inverted, Helps if you stand on your head

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02-18-2011 09:25 PM  6 years agoPost 367
Tyler

rrElite Veteran

Chicagoland area

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I have had friends with Airtronics and Hitec, both have experienced one lock-out each (one in an environment where they were the only ones flying, at the time).
They must have used bad battery packs!!

Oh, wait, wrong brand, my bad.

You are correct, no system is perfect. Although they may have been flying by themselves we cannot assume the 2.4ghz band was not busy. Many hot spots, routers, etc. can swamp out a single pilot very easily.

We now have a community wide free wifi network installed at the end of our flightline. The entire city has free wifi access, but this means they have to put repeaters throughout the community. Our runway happens to be where they decided to place one such unit. So yes, a lone pilot can experience problems.

My past choice of brands was prone to locking out. My newest radio has never locked out in that environment, and I have flown it a lot more in that location than my past system. Even when flying alone on both brands.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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02-18-2011 09:40 PM  6 years agoPost 368
Ejeremy

rrKey Veteran

Bourbonnais,IL

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Most people don't know that your blue tooth also works on 2.4ghz. So if your flying make sure you tell the old lady that you will call her after you're done and turn that blue tooth off!!

Just another precaution you can take.

Jeremy

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02-18-2011 11:51 PM  6 years agoPost 369
TMoore

rrMaster

Cookeville, TN

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Well fast forward to NOW, and yeah there have been some rare instances of lockouts from frequency saturation. Most "lockouts" I've seen have been setpu issues or power(battery/regulator) issues instead of a true lockout. Futaba's FASST had some minor growing pains as well. Hitec's radio isn't even on my radar as the latency is just so horrible they should be ashamed. Airtronics has the benchmark system for speed, but my god, holding that SD-10G is like the worst radio I think I may have ever held in my hands. Being a bit dramatic I'm sure, but for a "flagship" radio from a manufacturer, they dropped the ball. When Airtronics can make a radio like a Futaba 8FGH, that feels good, looks acceptable, and programs well, I'm game for trying one.
The SD-10G isn't the ATX flagship radio especially at its price point, expect to pay a lot more for that radio when Sanwa decides to release it. I'm sure that a few folks have had some issues with the 8fg like my friend Shawn that cut the switches off of the back of his new one due to their closeness to the front switches essentially rendering its resale value moot(unless he puts them back). The 8fg is a very nice radio. Some folks have issues with radios in one respect or another. Most radio manufacturers want to sell radios that are comfortable to hold, work reliably, are easy to program, are fast but above all else are safe.

Some folks have commented on the SD-10G and ask about the ridge and one reason that it is there is so you don't inadvertantly reach down and overshoot a trim tab and hit a programming button while you're flying; sort of a safety thing. When the radio is hanging on the neck strap I don't notice the ridge. Many European fliers abhor our Western radio design in favor of the Tray type radio with full neck strap and back support girdle. Choice is a good thing which brings me to this point.

FHSS radios in one form or another are the future. With all of the possible sources of band saturation and problems at the large events, FHSS tech is the direction the industry is heading.

TM

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02-19-2011 12:27 AM  6 years agoPost 370
Smacka

rrApprentice

PA

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FHSS radios in one form or another are the future. With all of the possible sources of band saturation and problems at the large events, FHSS tech is the direction the industry is heading.
Dammit! You mean all of the research I did/have done to learn all I could about DSM/DSM2/DSMX and I will have to start over and learn all about yet another protocol?????

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02-19-2011 12:57 AM  6 years agoPost 371
helismash

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Gloversville, NY -​Fulton

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I for one think we are lucky that the technology keeps moving forward the way it does. In 15 years, we will all be sitting around saying I cant believe we used to fly on that 2.4GHz stuff. What were we thinking? You just have to love it.

Hey, Who put the ground there!
T-Rex 500/T-Rex 600N FBL/T-Rex 600E PRO/T-Rex 700N/T-Rex 700FBL

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02-19-2011 01:30 AM  6 years agoPost 372
Paul Beard

rrApprentice

Bigfork MT

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There is no latency penalty with DSMx

Paul

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06-02-2011 08:13 AM  6 years agoPost 373
croc

rrNovice

France

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Can someone confirm that this module SPM9645 dsmx are compatible with dsm2 dx7SE on v-bar system ? Or i need to buy an older 9545. (if compatible i prefer to buy a newer product if i change my radio in next time)

edit: seems to be ok in dsm2 11ms mode

thanks

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06-04-2011 01:35 AM  6 years agoPost 374
rumbleweed

rrNovice

Maryland=USA

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I have been a supporter of the DX-8, but now my 8 month old radio is headed back to HH for the third time making almost 25% of the time I have owned it either at or in transit to or from HH. Starting to lose faith fast.

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06-04-2011 02:36 AM  6 years agoPost 375
TMoore

rrMaster

Cookeville, TN

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I have been a supporter of the DX-8, but now my 8 month old radio is headed back to HH for the third time making almost 25% of the time I have owned it either at or in transit to or from HH. Starting to lose faith fast.
That radio is earning frequent flyer miles right there. It would probably be easier to back over it with your truck and claim it on AMA insurance at this point.

TM

Delayed Response Operator Not Engaged

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06-04-2011 02:54 AM  6 years agoPost 376
Ejeremy

rrKey Veteran

Bourbonnais,IL

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Free Disposal

My truck is ready to roll!!

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06-09-2011 07:47 AM  6 years agoPost 377
seattle_helo

rrKey Veteran

Seattle, WA USA

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Paul, thanks for taking the time to share that info here. I completely missed it back in February because of all the other nonsense throughout this thread. Also just noticed you have moved to Montana. Very nice.

I just transitioned my fleet to DSMX but for the four years I had DSM2 it was rock solid in all situations, including IRCHA where I flew higher and further than anyone. I had twenty two flights there basically right next to show center and never had more than 32 fades on any RX. It was the ultimate test of DSM and it was awesome. It's good to hear about the additional benefits of DSMX and I'm looking forward to the next IRCHA for sure.

nick

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06-09-2011 09:38 AM  6 years agoPost 378
hootowl

rrProfessor

Garnet Valley, Pa.

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I have been a supporter of the DX-8, but now my 8 month old radio is headed back to HH for the third time making almost 25% of the time I have owned it either at or in transit to or from HH. Starting to lose faith fast.
I call that BIG TIME latency

My 12Z has never left for service of any kind.

Wolves don't lose sleep over the opinions of sheep

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06-12-2011 12:35 AM  6 years agoPost 379
onewasp

rrApprentice

USA

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Perhaps because you aren't using it ?????

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HelicopterRadio - Spektrum DSM › Spektrum's new DSMX
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