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HomeAircraftHelicopterHelicopter Main Discussion › BLS 251 on 6volts??
02-23-2013 03:21 PM  5 years agoPost 1
johnbs8

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roseville michigan

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im installing a new bls251 in my bird. was thinkn about tryn it unregulated. i use 2cell life packs for onboard power. i know some run thiers at 6v some dont, just wanted to hear what the majority has or is doing with it and any ill returns from doing so. thanks, John

TT X50 Nitro
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02-23-2013 03:26 PM  5 years agoPost 2
hams

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Ohio

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I have been running several 251s on 6v for a few years now without issue. one of them is off of an unregulated life pack.

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02-23-2013 03:36 PM  5 years agoPost 3
wrongler

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Brewerton, New York

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No issues here either!

Bill Whittaker

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02-23-2013 03:45 PM  5 years agoPost 4
THX1138

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Indianapolis, IN

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I third that. Been using the 251 on 6v with zero issues for a few years now.

Lou

Just give me five dudes and two flashbangs...

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02-23-2013 04:02 PM  5 years agoPost 5
Dr.Ben

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Richmond, VA, USA

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LiFE voltage unregulated is not the same as 6V regulated, and both are above original design spec. for the servo. Some run 6V with no issues, while others have killed a servo in short order with no warranty remedy. If you have a new 251, I would trade it for a 256HV.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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02-23-2013 04:04 PM  5 years agoPost 6
P.I.Engineer

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Kent, WA

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6V on mine, 15 flights so far, no issues

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02-23-2013 04:06 PM  5 years agoPost 7
Nycatt

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New York

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I run 6v on my bls251 for over 50 flts with no issues and 2s lipo on 256hv.




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02-23-2013 08:00 PM  5 years agoPost 8
MrMel

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Gotland

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hundreds upon hundreds of flights on 6v here.
I have now swapped to 256HV as I gone HV instead.

Never had a BLS251 fail on me.

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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02-23-2013 08:53 PM  5 years agoPost 9
datidun

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N Ireland

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I have a step down on mine as i would not take a chance,as its a 4.8v servo which is quick enough at 0.6 sec.

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02-23-2013 09:36 PM  5 years agoPost 10
ZS-JAF

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Nazareth, PA

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2 at 4.8 and 1 at 5.6 regulated. The 5.6 has 20 flights. We are all doing it don't you want to fit in?

I have a 3D heli, I don't understand why it doesn't do 3D.

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02-23-2013 10:30 PM  5 years agoPost 11
Dr.Ben

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Richmond, VA, USA

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Because it is way more fun to void a warranty, have a failure, and then bitch when the service center won't cover the failure.

If the model is smooth and/or an electric and the voltage is regulated at 6v, then guys get away with it. Try it on a model that is not so smooth, and current consumption and servo temps go well above what they would be at specified voltage; you'll cook it.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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02-23-2013 10:54 PM  5 years agoPost 12
3dgimble

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Rochester

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I checked and 2 guys I fly with say that they are using them at regulated 6.5volts with tons of flights, and they never get warm. Makes me wonder why buy a Futaba HV tail servo?
Awesome servo. I own a few of them.

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02-23-2013 10:58 PM  5 years agoPost 13
Dr.Ben

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Richmond, VA, USA

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I will go out on a limb and bet those models aren't, for example, gasoline powered models.

Ben

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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02-23-2013 11:04 PM  5 years agoPost 14
3dgimble

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Rochester

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You shouldn't walk the plank!
Yes they are both electric helis, Whiplash and an Align 700E

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02-24-2013 03:09 AM  5 years agoPost 15
Ronald Thomas

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Gainesville, Fl, USA

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Regulated 6V here for years on many models (electric smooth ones) no issues

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

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02-24-2013 03:24 AM  5 years agoPost 16
barely can fly

rrApprentice

oxford ga. usa

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There is no reason or excuse to run any servo beyond specified voltage, there are plenty of HV servos available, use the appropriate servo for the voltage you are going to use.
With all of the preaching about heli safety this is one area that is ignored way to often.

ATLRC wrecking crew / NCRC

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02-24-2013 10:01 AM  5 years agoPost 17
3dgimble

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Rochester

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I think were all knowledgeable with electronics, more some than others, some seek advice from the ones who do know more, that said this whole hobby is BETA, we all do most of the testing ourselves. If the electronic device on the heli works at 30 flights lets test it to 60, if it does 90 why not try .5 more volt to 120 flights, mmmm no signs of failure(cool running , no noise, no weird actions,)and if it does 50 more without showing signs of failure I think we've done a good job testing stuff for the companies. Well you guys do that stuff ,I just observe while using factory BETA recommended settings!
We all have some balls to be flying around unshrouded mowers in the sky though.

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02-24-2013 11:36 AM  5 years agoPost 18
Ronald Thomas

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Gainesville, Fl, USA

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There is no reason or excuse to run any servo beyond specified voltage, there are plenty of HV servos available, use the appropriate servo for the voltage you are going to use.
With all of the preaching about heli safety this is one area that is ignored way to often.
The BLS 451 is rated for 6v in the US and 7.6 in EU...same servo. So which do you go with??? The point is, sometimes ratings are not necessarily indicative of what a specified piece of electronics can handle. That of course is not the case for all electronics

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

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02-24-2013 05:07 PM  5 years agoPost 19
Zaneman007

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Texas - USA

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Fried
Mine fried on six volts regulated, in short order.

But that's just my luck.

Old Guys Rule!

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02-24-2013 05:15 PM  5 years agoPost 20
Andy from Sandy

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Bedfordshire, UK

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The rating in Europe also states you will get 30% less time out of it as it is being worked harder.

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HomeAircraftHelicopterHelicopter Main Discussion › BLS 251 on 6volts??
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