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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › FRIED DS 610 on 8 VOLTS
04-29-2010 03:06 PM  8 years agoPost 1
mickynoise

rrApprentice

Greece

My Posts: All  Forum  Topic

Hello i decided to build my Vibe 90.
I used 3 align DS 610 with AR7100

Yesterday i set up most of the things in Heli and everything was fine
Today i charged the battery(Flightpower 3000 2s lipo)
and when i switched on smoke came from all 3 servos.
I unplugged it straight away.I checked battery connections
and everything seemed to be fine.

I plugged again battery and again smoke and the one servo started
to make crazy movements alone.

i put a bec to reduce the voltage and check the servos on 6 volt.
The one is making crazy movements alone.The other 2 seems to work
perfect.I dont know and i am not sure if the 2 i can use them again
although they seem to work ok.

I cannot understand what happened as many people use AR7100 and 610
on 8 volts without problems.me i didnt even put it in the air, i didnt
stressed them.Just suddenly after i fully charged my RX battery
servos smoked up.

Thanks
Micky

VIBE 90,TREX600,TREX 450 PRO

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04-29-2010 03:24 PM  8 years agoPost 2
l4rg0

rrApprentice

Northfield, KY - USA

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Not sure why your 610s died like that. I am running 4x 610 (Swash + Throttle) on 8V from my 7100R with no problems

Team A Main Hobbies/ProTek R/C
Spartan Avionics Field Rep

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04-29-2010 03:39 PM  8 years agoPost 3
CoronaL

rrKey Veteran

Winnebago IL

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I had a few helis with Align servos and direct 2s lipo and no issues.

Not trying to insult you, but you wouldn't be the first person to grab a 3s pack by mistake and plug that in on accident. Make sure polarity is correct as well. I dunno, just some random guesses

Randy!!! I am the liquor

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04-29-2010 03:43 PM  8 years agoPost 4
RCHeliJim

rrElite Veteran

Orem, UT USA

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Though numerous guys are running them on 8v with no issues, they aren't rated for that voltage input and its possible the ones that do work on 2S packs are right on the edge of what their internals can handle and yours went over that edge for a moment, sorry your servos popped on you man I am no electronics expert, so I make no claim to know the true voltage handling range of these servos.



Go Fly, Have Fun!!
-Team Quick UK

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04-29-2010 03:51 PM  8 years agoPost 5
JEEPWORLD2002

rrKey Veteran

BLUEBELL PA USA

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i wouldnt trust any of the servos that smoked lace them all and keep voltage to 6v they are plenty fast enough at 6v

Trex600n Trex500 Mikado LoGo5003d// Hacker, CastleCreations,Ys 50, JR 7703d/8900, Radix

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04-29-2010 11:14 PM  8 years agoPost 6
mickynoise

rrApprentice

Greece

My Posts: All  Forum  Topic

Hello again.I really dont know what happened as yesterday and today
i made all settings for heli normally without problem with same battery.

Actually yesterday i charged the pack and after i made all setup.
But today when i charged it again again it happened the disaster.

The battery is brand new flightpower 3000mah 2s 7.4v

I was waiting long time to bring this heli in the air and i am
dissapointed now as i will have to wait a little bit more.

Even though the 2 servos at 6 volt they seem to work really fine
i am really scared to fly with them.

I just wonder how a lot of people here in my country they fly
with same setup (AR7100 with 610 at 8v) and a lot as i read in forums
which actually was the reason i followed this setup(plus some
pro pilots)

I am pretty sure that they are fine at 6 volts but as Vibe 90 is
a quite heavy heli i wanted to keep it as light is possible without
extra regs etc and after a research i was convinced that this setup
would work.Unfortunatelly didnt for me

VIBE 90,TREX600,TREX 450 PRO

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04-30-2010 12:37 AM  8 years agoPost 7
tech3rcheli

rrApprentice

Las Vegas Nv

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I had over 100 flights on my DS610's on straight 8.4V through the AR7100R and they were still working great when I sold them.

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04-30-2010 01:08 AM  8 years agoPost 8
baddynergy

rrElite Veteran

sierra madre, ca- usa

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it kind of sounds like the servos were binding when powering up. Were the blades in the holders or anything preventing the swash from moving?

Its not unusual to have a bad set of servos either. It happens to every manafacturer. Just because your neighbors are good has absolutly no bearing on if yours are bad or not.

**Unattended children will be givin a shot of espresso and a puppy**

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04-30-2010 01:14 AM  8 years agoPost 9
mickynoise

rrApprentice

Greece

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no they werent on blade holders and nothing was binding.
After the smoke i regulated them on 6volts(i took out the regulator from my 600) and the 2 of them seems to work fine on 6v.the one is moving alone like it has "parkison"

So i guess that probably it was a bad batch or something that i will
never figure out.

VIBE 90,TREX600,TREX 450 PRO

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04-30-2010 12:50 PM  8 years agoPost 10
UK Helinut

rrApprentice

Gloucestershire

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I know you said there was no binding, but the Vibe allows the swashplate to drop enough whan there is no power on, to allow the guide pins on the washout come out and when power is switched on the servos burn out (ask how I know)

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04-30-2010 12:52 PM  8 years agoPost 11
mickynoise

rrApprentice

Greece

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Hello.i know what you say but in that case it didnt happen that.
i doublechecked all these things.

Unfortunately i will never find out, but i dont think i will use 8 volts again unless if a servo is designed for that

VIBE 90,TREX600,TREX 450 PRO

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04-30-2010 01:42 PM  8 years agoPost 12
Frank Bostwick

rrElite Veteran

Cincinnati Ohio

My Posts: All  Forum  Topic

Bingo to above. It may be just me but I cant see risking my heli by running outside of the published specs. I just dont think the risk is worth the benefit. Unless I know its good to fly, I wont fly it.
No way Id trust those servos, return to vendor to see what can be done or round bottom file.....

RIP ROMAN

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04-30-2010 03:23 PM  8 years agoPost 13
Richardmid1

rrProfessor

Leeds, England

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I wouldn't run the risk on a Vibe 90 either! Have you seen the parts prices! lol

60% of the time, it works every time!

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05-20-2010 01:51 AM  8 years agoPost 14
sgfromny

rrNovice

Smithtown, NY - USA

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Maybe a human error
If your servo connector was in upside down in your RX, you would have fed 8 volts down your signal wires..hence smoking the internals. this is not impossible to do, reason I know this is.. well, lets just say I have a replacement 610 on the way.

Hey, can I borrow that?

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05-20-2010 02:13 AM  8 years agoPost 15
jsenicka

rrProfessor

Eagle River, WI

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If your servo connector was in upside down in your RX, you would have fed 8 volts down your signal wires..hence smoking the internals. this is not impossible to do, reason I know this is.. well, lets just say I have a replacement 610 on the way.
No you won't. Flip the wire and you swap signal and ground. Positive is in the middle.
Old school Airtronics could be smoked with a reversed connector. The modern day "Z" style connector was designed to prevent you from putting voltage down any lead but positive.

Jim Senicka
Team Manager, GrandRC Flight Team

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05-20-2010 02:37 AM  8 years agoPost 16
JAYHELI

rrApprentice

Northeast Pennsylvania

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i also had a bad experince with ds610 had 3 of them in a freestyle predator on regulated 6v. 1st flight one servo started acting funny. called and got another under warranty. put it in the heli 15 min latetr during bench testing that one went all the way to one side and jammed. needless to say those servos are no longer in the heli

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05-20-2010 03:08 AM  8 years agoPost 17
jones007

rrApprentice

Monterey, CA - USA

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I had one on throttle in a 700N, and it started to go bad after about a dozen flights. I ran throttle on the regulated side of the AR7100R, and it started to quickly hop back and forth between the desired position and idle. As it was doing this it spewed out enough RF to prevent the remote Rx mounted next to it from receiving anything.

--Kevin

Trex 700N, Trex 600ESP, Trex 500, Trex 450Pro

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05-22-2010 12:19 PM  8 years agoPost 18
sgfromny

rrNovice

Smithtown, NY - USA

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Jsenika - You're right, I stand corrected.
Thanks for pointing that out.. now for me to figure out what happened to my 610

Hey, can I borrow that?

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05-22-2010 03:31 PM  8 years agoPost 19
nickt919

rrVeteran

New Orleans, Louisiana

My Posts: All  Forum  Topic

What is the real benefit of running unregulated 2S lipos instead of regulated 6V? On a 90 size heli the regulator weight is insignificant to overall RTF weight and I'd be willing to bet most could not feel the swash and rudder speed difference in the air. I guess it's the quest for any high performance edge available.

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05-22-2010 05:29 PM  8 years agoPost 20
EASYKILL

rrApprentice

Sonora,Ca - US

My Posts: All  Forum  Topic

Not trying to insult you, but you wouldn't be the first person to grab a 3s pack by mistake and plug that in on accident.
** sheepishly raises hand**

Hello, my name is Tony and I'm a heli addict...

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