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HelicopterRadio - Spektrum DSM › Is there an serious issue with DX8?
10-07-2010 06:01 AM  7 years agoPost 21
Dr.Ben

rrMaster

Richmond, VA, USA

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Edited out - no point in arguing with a sponsored pilot.
The last time I checked, there was no argument present anywhere in this thread, just a civil discussion. Quiz a few guys who held out for this product and spent their hard earned money on the same and ask how many of them would have felt better had the product been tested a little better prior to release. Do you have any conception of how dangerous that servo set up screen bug could have been to someone flying an electric??? Ever tried to hold onto a 7 hp driven rotor head that went WFO with no warning?? This has nothing to do with sponsorship. This is about responsible pre-release product testing.

Dave,

You're exactly right about the way the public presses for a product release, then bitches when the product isn't fully matured at the time of its release. Ultimately, though, the responsibilty falls on the manufacturer to know when the time is truly right to pull the trigger on release.

Ben Minor

Team Synergy Team Futaba Team Kontronik USA
Progressive RC

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10-07-2010 06:32 AM  7 years agoPost 22
OICU812

rrMaster

Edson, Alberta,​Canada

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Hard to argue with that really.

All I know Ben is I hope Futaba comes out with something new soon to, options are good. I only have a few wishes there to bend my arm.

...Once upon a time there were Nitros, flybars and frequency pins...

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10-07-2010 11:56 AM  7 years agoPost 23
peter_larsen

rrNovice

Lodose, Sweden

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It's my 450 that slams into the floor in the vid in the first post..

I just want to clarify that I don't say that the radio IS the problem, just that it MIGHT be the problem.. As I have written in the swedish forums. The two machines that I've had problems with have hundreds of flights on them with no issues at all when flown with my DX7, and all of a sudden I get two major glitches on two seperate machines on the the same night and the only difference beeing the DX8.

I've contacted HH and they want me to send the radio to them for further testing and that answer came directly without any prior questions or "have-you-tried-this". Guess time will tell if they find something or if I'll get it back with a note saying that they can't find anything wrong with it..

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10-07-2010 01:30 PM  7 years agoPost 24
rumbleweed

rrNovice

Maryland=USA

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I think it is finally time for HH to step up and present a comprehensive recovery plan to those of us who purchased a DX8. They have the necessary contact information in their product registration database. I believe the DX8 has the potential to be an excellent radio once all the firmware bugs are worked out and some apparent manufacturing issues are addressed, but until then I think new sales will be impacted and many of the current owners will be returning their radios or sitting them on the shelf. There are many references in this forum to the wonderful customer service at HH, but I don't see it with the DX8 as they have been very silent. They appear to be hunkered down doing damage control. Fortunately the issues to date have only resulted in material damage and no one has been injured. I have owned a DX8for two weeks and have not had one flight ( it is back at HH to be looked at). My LHS has several in their display case that have been there over a week. I plan to give HH another week to return a working radio before demanding a refund.

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10-07-2010 02:37 PM  7 years agoPost 25
Santiago P

rrProfessor

South West, Ohio

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All I know Ben is I hope Futaba comes out with something new soon to, options are good. I only have a few wishes there to bend my arm.
They came out with the new 8 channel recently. The Futaba 8FGH.

Neat little radio. Nick Maxwell flew one at the FAI team trials.

Spektrum story: I bought an AR6250 when the came out. I asked around and called Horizon about been safe to used in a QM40 pylon racer (190mph+). All of them says yes sure, no problem, what's a QM40?

I dismissed all of them. Them finnaly got to talked to the real users, my racer friends that where just returning from the FAI World Champs. They said unanimously "DONT USE IT" "WE DONT KNOW ANYONE THAT HAS TRIED THEM IN A QM40, FOOLISH IF YOU VOLUNTEER DO BETA TESTING" "USE THE AR7000 or 9000, TRIED AND TRUE BY ALL OF US" One more trip tp the hobby shop and a few more $ to exchange the still unopened AR6250 for a 7000, and been smiling all the time.
Months laters I heard of the issues with the AR6250....

Is good to have sponsored friends to watch your back!

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10-07-2010 02:45 PM  7 years agoPost 26
peter_larsen

rrNovice

Lodose, Sweden

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I really hope that the suspected issues with the DX8 are resolved because I really like my DX8 even though I don't trust it right now. It has the potential to be an excellent radio and the list of features is impressive for a radio in this price range and I will most likley ride this one out to the end because I wan't a DX8 I can trust as I trust my DX7.

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10-07-2010 03:05 PM  7 years agoPost 27
Frank454

rrNovice

Farmington,Mi-USA

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DX8

I have had the same problem as peter_larson with my 450. I thought it was me but reciever came back flashing it did the full neg pitch. One week before my 600 would bind then when you walk out
to fly it there was nothing it unbund it took 5 tries to rebind it. Had to change model for it to work. I"m little nerveous myself. Sent AR7000 it HH to look at.

Frank454

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10-07-2010 03:39 PM  7 years agoPost 28
Santiago P

rrProfessor

South West, Ohio

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Sent AR7000 it HH to look at.
Did you have another Spektrum TX to bind it and see if it stayed bound or another RX to cross check the TX? The problem could have been the DX8 TX.

That aside, not even all AR7000 are bulletproof (or any product), yours could have been DOA. If they work fromm the begining, they will work through...

EDIT:
Is a good thing that Horizon is behind this fuppa, be asure they WILL correct it and make it right.

Santiago

damn the new product torpedoes

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10-07-2010 04:35 PM  7 years agoPost 29
OICU812

rrMaster

Edson, Alberta,​Canada

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Money pit I know I had an 8FG couldn't get past the close switches.

...Once upon a time there were Nitros, flybars and frequency pins...

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10-07-2010 04:53 PM  7 years agoPost 30
Justin Stuart (RIP)

rrMaster

Plano, Texas

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If there is a problem, Horizon will fix it. They have the best customer service in the industry.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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10-07-2010 06:43 PM  7 years agoPost 31
Max Headspeed

rrVeteran

Sunny (!)​Livingston, Scotland

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bummer :(

Just as I thought now was the right time to switch over to 2.4, this happens. I haven't had a chance to fly it yet but my nice new DX8 will remain confined to its box until Horizon sort this one out. I'm kinda wishing I'd gone the extra £50 and got an SD-10G now. Now it's back to my trusty old x3810 which has never caused a crash or even so much as a glitch in 7 years of flying.

35MHz PCM rules! (for now)

Max Headspeed.

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10-07-2010 08:12 PM  7 years agoPost 32
epc2

rrVeteran

Miami ,​Fl./S.Domingo.

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Wow, I'm glad I didn't order one at least for now , I was going to sell my 8fg and get a DX8 , I'm glad I didn't , I relocated some switches on the 8fg and will add some rubber grips to the back for a better feel , the programming is awesome , and I've always been a Jr guy until I strated flying high performance Gliders and pylons too where Spektrum rx's are no go .

epc2.

Team My Wallet.

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10-07-2010 10:06 PM  7 years agoPost 33
teamdavey2001

rrApprentice

Sunnyvale,​California, USA

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"Do you have any conception of how dangerous that servo set up screen bug could have been to someone flying an electric??? Ever tried to hold onto a 7 hp driven rotor head that went WFO with no warning?? This has nothing to do with sponsorship. This is about responsible pre-release product testing."

Get off your soap box - you have absolutely no idea what I do or do not know. As is happens I do have rather a lot of experence with design verification - of hardware rather more dangerous that a model helioopter - and since you asked - I would like to hear your comment on the zero guid fiasco from your sponsor - did they actually switch more than one on before they shipped - do thay actually understand the concept of "Unique"?

Bottom line is that these issues should not have escaped - right. However, holier than thou statements from a competitor's sponsored pilot is simply gratuitous stirring.

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10-08-2010 12:45 AM  7 years agoPost 34
heliman41&1/2

rrApprentice

Florida

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safety

I bet that if someone were to complain to the federal consumer safety product dept. and told them how dangerous this is (or the FCC) the feds would make them do a recall.

You see them force recalls on blenders, cribs, lawnmowers, etc.

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10-08-2010 12:59 AM  7 years agoPost 35
teamdavey2001

rrApprentice

Sunnyvale,​California, USA

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Whether it is a good idea to involve the feds is subject of a whole other debate.

However, certainly Horizon needs to determine fast if there is a systemic issue or isolated incidents, do some root cause analysis and deal with it. Based on the DX6i defective pots issue they will react. We'll see.

If you look around the web there are issues out there but it is impossible to figure out the statistics from the sidelines. (I know - one is too many and I would like it to be a perfect world too!)

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10-08-2010 03:39 AM  7 years agoPost 36
dkshema

rrMaster

Cedar Rapids, IA

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TD2001-it's a sure bet the software wasn't DO-178B and the hardware didn't go through DO-254 cert, but criminy, there are some serious bugs popping up. Lots of them.

There's no doubt that Spektrum will fix this mess, but until then, the DX8 is really gonna hurt their bottom line. Maybe in the process they'll add a couple of points to their throttle/pitch curves!

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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10-08-2010 04:40 AM  7 years agoPost 37
teamdavey2001

rrApprentice

Sunnyvale,​California, USA

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Insider talk

But you are absolutely right - got to get it fixed - and while they are at it - how about adjustable pmixs.

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10-08-2010 05:34 AM  7 years agoPost 38
RAK402

rrElite Veteran

Alhambra, CA

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"no point in arguing with a sponsored pilot."

Dr. Ben has helped me, multiple times, with my questions regarding the used of mixes, setup, etc. and I am a JR flyer.

He is beyond reproach.

Period.

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

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10-08-2010 06:58 PM  7 years agoPost 39
teamdavey2001

rrApprentice

Sunnyvale,​California, USA

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Dave,

Having slept on it this looks a lot like a combination of moving from a pilot line to production, combined with either a loss of software configuration control (hard to believe some of the bugs being seen got through beta testing) or last minute fixes broke something else - like that ever happens

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10-08-2010 07:16 PM  7 years agoPost 40
teamdavey2001

rrApprentice

Sunnyvale,​California, USA

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RAK - I am not casting aspertions on anyone's general character or degree of willingness to help other modellers. I read the material in the F3C forum and respect the skill level and willingness to share of the posters there.

However, it is highly inappropriate/unprofessional for a competitor's rep to post in this kind of thread in the somewhat superior tone presented. I am sure the GM board were smiling at Toyota's recent embarrassment, but they did it in private if for no other reason than "it could happen to me". Don't forget that in Futaba's case - it did. When you point the finger - there are three pointing back at you

If you understand the sidebar that is going on between Dave and myself you will recognize that we both understand the seriousness of the issue and are not making light of. We both work in an industry in which "escapes" can be fatal and are always taken very seriously indeed.

If you wear the shirt - you represent the company - you can't have it both ways.

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HelicopterRadio - Spektrum DSM › Is there an serious issue with DX8?
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