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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Spektrum DSM › Futaba Vs Spektrum issues ?
02-25-2010 07:24 AM  10 years ago
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Mioca

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Budokai Tenkaichi

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Futaba Vs Spektrum issues ?
Let's be honest, should we kick the Futaba brand ?
Futaba has been cheating us for a long time with their marketing ?
Is the video a fake from Spektrum ? Why old receivers ? DSM or FASST ?

http://www.bertrc.com/archives/573

Watch at YouTube

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02-25-2010 08:23 AM  10 years ago
zmooth

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Athens/Greece

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Just noticed that at 2:27 right after the first brownout the spektrum doesn't blink :O lol
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02-25-2010 09:07 AM  10 years ago
Furious Predator

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Kitchener, Ontario, Canada

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Futaba gear should not be kicked because of this video, they are still a great leader in electronics.

First off, as he said in the video, they really do both recover pretty quick, so what if the Spektrum recovers slightly faster.

Second, i would say the majority of us run a regulated system, therefore this is a none issue.

Third, if your running a 4.8V system, and you let your power drain down below 3.1V, then you need to start doing better preflight checks, and keep a better eye on your batteries. Period.

Fourth. During a brown out condition on a heli, your screwed even if it does recover fast, Futaba or Spektrum. Do we need to be reminded that the gyro will try to re calibrate itself in flight? not sure how many of us will be lucky enough to make it out of that one. I know a local guy who had a brown out on a Spektrum RX, and he was not lucky enough to recover with the gyro recalibration.

Fifth, This high speed recovery thing on Spektrum gear is relatively recent. The original receivers, (6 out of the 7 i have) are the older ones which take several seconds to recover, unlike the new one used in the video. so you will need to be aware of which version you have. I believe Horizon does updates free of charge.

If you want to check which one you have, i believe the old ones will say "Bat" on the rx, where power would be connected, while the updated ones will say "Data".

In the 9 years i have been flying, regulated power or not, i have never had a low power condition that would allow a brown out. It isn't rocket science that you should be keeping an eye on your power.
Shawn
Team Leisure-Tech
Team HelixRC
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02-25-2010 11:45 AM  10 years ago
Ronald Thomas

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Gainesville, Fl, USA

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Oh crapTeam MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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02-25-2010 12:16 PM  10 years ago
shawmcky

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Isle of Wight,United Kingdom

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Its a well known fact
That Spektrum transmitters have a jamming device when used in close proximity to a Futaba unit
Team- unbiased opinion.K.I.S.S principle upheld here
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02-25-2010 12:20 PM  10 years ago
garyl

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taxachussetts

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I agree with Furious Predators statements. This is one of those nice to know things but if you let your voltage fall that low your an Irresponsible idiot and should not be flying RC. It's kind of funny they perfrom this test now that spectrum has fixed there low voltage issue.
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02-25-2010 12:23 PM  10 years ago
Flying Brian

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St. Clairsville, Ohio

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I have landed mid way through the battery before, and noticed the spectrum satelite antenna was blinking by it's self. The only reason this would blink is due to low voltage drop?

I then reconnect the system, and or fly it as is, and have no problems, nor did I notice problems during flight. Could this just be a faulty singnal antenna, as this happens 1 out of 10 flights.

Could these faults be caused simply by a weak deans connection, like he said in the short video? "Bouncing in and out"

I'm stricked to my flight plans, and never exceed the factory battery recommendations.
"I just don't Listen" "
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02-25-2010 12:41 PM  10 years ago
fenderstrat

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Aston,Pa

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I dont see why anyone would base a purchase on a situation that theoretically should never happen anyway,you should NEVER have to worry about that period,and as already said that extra couple 10th's is meaningless as besides the already mentioned gyro anyone flying elec may have the esc do a complete re-boot...then when you walk over to your trashed heli your specrtum rx will be blinking so you know FOR SURE something went wrongCompass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD
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02-25-2010 12:51 PM  10 years ago
Flying Brian

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St. Clairsville, Ohio

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besides the already mentioned gyro anyone flying elec may have the esc do a complete re-boot...then when you walk over to your trashed heli your specrtum rx will be blinking so you know FOR SURE something went wrong
So the gyro could be causing the re-boot Im seeing?
"I just don't Listen" "
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02-25-2010 12:57 PM  10 years ago
fenderstrat

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Aston,Pa

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when you lose power usually the servos will come right back up as soon as the system is back but most gyros will have to re initialize.the gyro is also usually the first to go out in a low V situation and if the esc re-boots, the whole system has to come back up which means no power to anything if the bec is built in...so 2 10ths of a sec means absolutly nothingCompass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD
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02-25-2010 01:25 PM  10 years ago
jschenck

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La Vista, NE.

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I have landed mid way through the battery before, and noticed the spectrum satelite antenna was blinking by it's self. The only reason this would blink is due to low voltage drop?
I had a similar situation once, the satellite RX had a loose connection to the main RX.
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02-25-2010 02:15 PM  10 years ago
bkervaski

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Birmingham, AL, USA

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Quick! Everybody get to classifieds and sell their Futaba gear!

Really? A Futaba bashing video from its biggest competitor?

Guys, they are both great systems, enjoy your purchase with confidence.

I've been flying 2048PCM for almost 4 years with my Futaba gear, love it, would never change, 100% reliability.

With FASST I don't have to deal with satellite receivers (or that annoying Spektrum power-on delay) and the new Futaba HS (High Speed) receivers are awesome.
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02-25-2010 02:29 PM  10 years ago
TMoore

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Cookeville, TN

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IMHO, this was a bogus test as the servos won't operate at the low voltage when the RX reboots so it really doesn't matter how fast the RX's reset, the servos are already nixed out of the equation. You should also look at the video a little closer, maybe in slow mo.

TM
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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02-25-2010 02:42 PM  10 years ago
ttsingram

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Lincoln, Ne

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Eh, just to with the SD-10. Servos slow down too much to fly before loosing power to the Rx. No brown outs. And no satelite Rx's to worry about either.

Seriously though. Spektrum is just trying to dig out of a hole by bashing Futaba. I don't fly either, but from everything I have ever read Spektrum had way more problems to work out that Futaba.

Edit, TM posted before I got mine in and he made me think of another point. This test only had one servo per Rx, would there have been a difference with a full load of servos?
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02-25-2010 03:07 PM  10 years ago
Furious Predator

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Kitchener, Ontario, Canada

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So the gyro could be causing the re-boot Im seeing?
no, we mean that the gyro will re-boot after the brown out. with the heli in motion, the gyro will calibrate to what ever setting, and spin out of control.
I had a similar situation once, the satellite RX had a loose connection to the main RX.
me too. sometimes they blink as soon as i start up for the first time. sometimes they dont connect at all. this happens most with the updated rx like the one used in the video. Sometimes i get connection problems if i have the rx too close to the heli as i power it up.
Shawn
Team Leisure-Tech
Team HelixRC
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02-25-2010 03:13 PM  10 years ago
Divot

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Mesa, AZ

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It's kind of funny they perfrom this test now that spectrum has fixed there low voltage issue.
This video is well over a year old.
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02-25-2010 03:19 PM  10 years ago
Furious Predator

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Kitchener, Ontario, Canada

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The fix for the issue was not long before that...its even worse that they would have waited to make the video till they fixed the brown out problems.Shawn
Team Leisure-Tech
Team HelixRC
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02-25-2010 04:00 PM  10 years ago
RescueRev

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Albany, Oregon

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tests
I agree that if you want to do a real life test use three servos and put them all under a equal load of some kind. Then try it again

RescueRev
RescueRev
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02-25-2010 04:01 PM  10 years ago
Ronald Thomas

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Gainesville, Fl, USA

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Seriously though. Spektrum is just trying to dig out of a hole by bashing Futaba. I don't fly either, but from everything I have ever read Spektrum had way more problems to work out that Futaba
I think this is in response to the Futaba release not too long ago. Spektrum is definitely not digging out of a hole. I am sure they sell more DX-7 and JR radios than Futaba has. Next time you go to IRCHA, look and see what it dominating the flightline. Bottom line they are both good but they both ahd issues that have seemed to been resolved.........Ron
Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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02-25-2010 04:10 PM  10 years ago
ttsingram

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Lincoln, Ne

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I should have worded that different. I ment by digging out of a hole, not as in sales or use, but as the somewhat bad rep they were receiving by the brownout problems they were having.
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Spektrum DSM › Futaba Vs Spektrum issues ?
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