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HelicopterMain Discussion › Do flybarless rotor heads require different​servos?
10-01-2016 11:05 AM  13 months agoPost 1
SpinergySpox

rrNovice

Green Bay, WI

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Until now, on virtually every heli I own, I have Futaba S9252 digital servos.

Now, I'm seeing brushless servos available - some even described as being used for FBL rotors. Is this a bogus claim? Or are the standard S9252 digital servos we once used everywhere now unsuitable for FBL helis?

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10-01-2016 12:13 PM  13 months agoPost 2
angelcaido39

rrNovice

spain, canarias

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well, I had been flying helis flybarles with the same servos that the olds rotors, without any problems... but now you have specific servos for flybarles.

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10-01-2016 01:16 PM  13 months agoPost 3
JayL

rrVeteran

Leesburg GA

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Im sure 9252 would be fine depending on how you fly the only problem with them is they are low on torque and will be sluggish of center and will lack in holding power. The good news is high quality servos can be had at a good price. Look at a set of bk servos hard to beat for the money.

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10-01-2016 02:50 PM  13 months agoPost 4
ICUR1-2

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Ottawa, Ontario

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servos

It depends on the fbl unit most will work with the older digital servo's.
If your servo's are already aged I would recommend buying a newer set because the gyro will make them work more.

Don't buy the hype! any fast/hi torque digital servo will work.

spending time, paying attention

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10-01-2016 02:53 PM  13 months agoPost 5
datidun

rrKey Veteran

N Ireland

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They were once the best Futaba servo ever made,but will have to be regulated to around 5.7v I guess,I used them for years.

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10-01-2016 03:32 PM  13 months agoPost 6
utahbob

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St. George Utah

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9252's

Have been my fav. for yrs.!--been running them on my Trex700n for 6 yrs.; been running the same three9252 on cyclic on my 600n for 7 yrs.and before that they were on my old airskipper for a couple years..they are bullet proof it seems..I run them on my Logo 550sx which is fbl for four yrs. Now..they are probably great for most pilots..but when I build my next heli I will try some high voltage stump pullers to see if theres any difference..my flyin buddy says they are easier on his rx packs.

I do a great decending funnel!

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10-01-2016 04:45 PM  13 months agoPost 7
Tyler

rrElite Veteran

Chicagoland area

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Depends on your flying style. I used transplanted servos successfully, but can feel a paramount difference with a modern set of $500 set of servos. This is especially true with high powered electrics.

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

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10-01-2016 06:17 PM  13 months agoPost 8
RM3

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Killeen, Texas - USA

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depends on two things...

the models inherent stability/power and your style of flying...

if your heli is lightweight and high powered (10s plus) and you want snappy 3D you go with fast brushless servos.

you have a garden variety heli, standard power(8s and lower), fly sport... you run of the mill HT/HS servo is more than enough.

you want to follow the crowd, sell a kidney and buy HV ultra HS/HT servos on a 12s setup and hover all day...

showing a preference will only get you into trouble, 90% of everything is crap...

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10-01-2016 06:30 PM  13 months agoPost 9
SpinergySpox

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Green Bay, WI

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I tend to stick with Futaba radio products. I've always had a good experience them.

But last time I checked, their high speed / high torque servos were insanely expensive - ie over $200 each. Am I looking at the wrong item?

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10-01-2016 06:49 PM  13 months agoPost 10
Tyler

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Chicagoland area

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You will pay a premium for the Futaba servos. I recently purchased some of the Expert R2 cyclic servos. The improvement is breathtaking, to say the least. They are only $145 each, plus a coupon code discounted them further. The specs are significantly better than any $200+ Futaba servo available. I feel they were worth every penny.

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

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10-01-2016 08:00 PM  13 months agoPost 11
banshee rider

rrApprentice

n.e. illinois

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SpinergySpox
I tend to stick with Futaba radio products. I've always had a good experience them.
But last time I checked, their high speed / high torque servos were insanely expensive - ie over $200 each. Am I looking at the wrong item?
No your not looking at them wrong
Just in the wrong place

Try here no warranty though

http://www.rcjapan.net/index.php?ma...ex&cPath=69_212

ageing is manditory maturity is optional

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10-02-2016 04:20 AM  13 months agoPost 12
gologo

rrKey Veteran

Sedalia, Mo USA

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tend to stick with Futaba radio products. I've always had a good experience them.
Same here; ran 9202s for many years, so long in fact, that I ended up going
right by the 9252s and went right to the BLS451s when they came out. Best
servos I have ever ran........and still running! Think they are going the
obsolete way now too, but don't care, they do the job VERY well.

And yeah, by now, there are several other brands that do a great job too,
but as w. your quote..........

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10-08-2016 04:19 PM  13 months agoPost 13
albertoc

rrNovice

Madrid-Spain

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Here 3x futabas 9250 little less torque an a little more speed than 9252 but pretty similar. They're working flawlessly in a trex 700 n fbl 3g head set up for fai f3c. Really good servos, very precise, perfect centering.

Respect and fly safe

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10-08-2016 04:21 PM  13 months agoPost 14
albertoc

rrNovice

Madrid-Spain

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Here 3x futabas 9250 little less torque an a little more speed than 9252 but pretty similar working flawlessly in a trex 700 n fbl 3g head set up for fai f3c. Really good servos, very precise, perfect centering.

[img]http://subefotos.com/ver/?f6ddee17cd33646f14380a10ebef0397o.jpg[/img]

http://subefotos.com/ver/?f6ddee17c...10ebef0397o.jpg

Respect and fly safe

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10-08-2016 08:14 PM  13 months agoPost 15
Heli_Splatter

rrElite Veteran

USA

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I have done a couple of conversions from FB to FLB and did not change servos. Getting ready to do another 500 with an Align FBL head that I got for $50 from RonLund.com. I already had a 3GX system lying around, so that is a good deal.

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10-08-2016 10:35 PM  13 months agoPost 16
da_man

rrKey Veteran

Central NC

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If you have them then there really isn't any need to switch them out even for flybar less helicopters. If you try some of the newer models out there then you probably won't want to use your 9252's anymore. Once I switched mine out for some ds8717's I stopped flying anything else for ccpm.

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10-08-2016 11:37 PM  13 months agoPost 17
jbiter

rrKey Veteran

Sebring, FL

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Some FBL systems put a lot of strain on the servos. For 600 size helis, the 9252 works great. The 700 size Avant has documented cases of the plastic geared servos stripping out due to flight loading. I would suggest choosing a servo with at least a metal output spline for 700 sized FBL systems

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10-09-2016 03:02 AM  13 months agoPost 18
Chris Bergen

rrElite Veteran

cassopolis, MI USA

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Is that due to flight loading, or CCPM? Just parachuting in here... Lol!

Chris D. Bergen

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10-09-2016 04:14 PM  13 months agoPost 19
Solmanbandit

rrElite Veteran

Tucson , AZ

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The main thing is to ensure that they are digital servos. They need to be more precise than older servos. Also they do need more torque because they don't have the mechanical gain like FB heads did.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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10-09-2016 05:42 PM  13 months agoPost 20
mcfast

rrKey Veteran

Quebec Quebec Canada

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I have 9252s on my gasser FB for years, had one fail on the swashplate had a real bad crash, $500.00 in parts, put a new one in still going strong, great servos, but if I was going to FBL I think they don't have enough power gasser are heavy.

P.S. sorry for the spelling or the grammar I am dyslexic!

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HelicopterMain Discussion › Do flybarless rotor heads require different​servos?
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