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$100 Servos Help!!!!

Old 06-27-2011, 10:27 AM
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Mike06659
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Default $100 Servos Help!!!!

Servo Help!


I know we have to pay to play but has anyone found any dependable servos for giant scale aircraft "30% and higher"? For example Hitec 7955's seem to be the standard for this application but I hate paying $100 for a servo.

Any experience and flight history with similar servos at a better price is welcomed.

I don't want to put junk in my planes but there has to been a better priced and dependable servo out there for this application.

Thanks,
Mike
Old 06-27-2011, 06:11 PM
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BuschBarber
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Default RE: $100 Servos Help!!!!


ORIGINAL: Mike06659

Servo Help!


I know we have to pay to play but has anyone found any dependable servos for giant scale aircraft ''30% and higher''? For example Hitec 7955's seem to be the standard for this application but I hate paying $100 for a servo.

Any experience and flight history with similar servos at a better price is welcomed.

I don't want to put junk in my planes but there has to been a better priced and dependable servo out there for this application.

Thanks,
Mike
There are some good High Torque servos from Hobby King. A friend of mine bought some.
Old 06-27-2011, 07:28 PM
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Mike06659
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Default RE: $100 Servos Help!!!!

I've been looking at some of the Hobby King servos but I wanted to see if anyone had history with them???

How are they holding-up flight after flight?

Any Issues?

Thanks,
Mike
Old 06-27-2011, 07:38 PM
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BuschBarber
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Default RE: $100 Servos Help!!!!


ORIGINAL: Mike06659

I've been looking at some of the Hobby King servos but I wanted to see if anyone had history with them???

How are they holding-up flight after flight?

Any Issues?

Thanks,
Mike
I will ask him, tomorrow, at lunch.
Old 06-27-2011, 08:22 PM
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Bill Vargas
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Default RE: $100 Servos Help!!!!

Yup the good stuff will cost you a pretty penny,,, they are worth it.

Your spending some nice $$$ on a nice plane,,,

why would you want to, or anyone for that matter of fact, install some no name low budget servos on a nice plane?



BV
Old 06-28-2011, 05:02 AM
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K-Bob
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Default RE: $100 Servos Help!!!!

*sigh*

Buy cheap get cheap. Been the golden rule since the earth cooled.
Old 06-28-2011, 05:34 AM
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Mike06659
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Default RE: $100 Servos Help!!!!

I Know you get what you pay for I just hate the thougth of outfitting another plane with $100 servos but on the flip side of that it's still here with no issues. Pay now or pay later I guess.

It seems Hitec 7955's are one of the best bangs for your buck. What do you guys think? Anything similar you like?
Old 06-28-2011, 06:12 AM
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Default RE: $100 Servos Help!!!!

http://www.hobbyking.com/hobbyking/s...idProduct=6334
I have some of these, same as the Power HD 9150s, but I haven't used them enough yet to make a firm judgement. They are definitely powerful and center pretty well so far. There are some discussions on this servo on the different sites.
Old 06-28-2011, 09:31 AM
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Mike06659
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Default RE: $100 Servos Help!!!!

I hope they are better than the Power HD's. I did not have any luck with Power HD's. Thanks for the link though. Any other Hobby King servos you guys are running?
Old 06-28-2011, 11:18 AM
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Default RE: $100 Servos Help!!!!

http://www.hobbyking.com/hobbyking/s...idProduct=9984
I heard about these, Troybuilt is starting to carry them at a higher price. What model Power HD did you have? The DS120s had quite a few problems. I never had any of them myself.
Old 06-28-2011, 11:54 AM
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Mike06659
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Default RE: $100 Servos Help!!!!

It's been so long ago I don't remember what number HD's I had. They were in a 25% yak and they would jitter and not center correctly. I'm sure they have improved by now.

Old 06-28-2011, 12:19 PM
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Default RE: $100 Servos Help!!!!

I hear ya, I have a hard time paying over $100 for one servo too.

I bought 10 new Hitec 7954s about 6 months ago on Ebay for $75 each shipped.  They are solid and fast but some are starting to show signs of jittering already.  The entire 79XX series of servos I think are not without their problems either.

There's a thread about it here:  http://www.rcuniverse.com/forum/m_10...m.htm#10567854

Reliable servos are a significantly important component that most of us don't skimp on.  I'd hate to lose a 30% or larger plane due a single faulty,  "cheaper" servo that went haywire.
Old 06-28-2011, 01:49 PM
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onewasp
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Default RE: $100 Servos Help!!!!

Short answer.

Got a fifteen dollar airplane use a fifteen dollar servo .
RC is a poor hobby in which to save money .
Old 06-28-2011, 02:17 PM
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pdm52956
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Default RE: $100 Servos Help!!!!

Just my .01 but, I tried some HD 9150s on a 50cc Edge. 3 flights on the plane and an elevator servo locks up. Just about lost the plane to that thing and I still have the remaining ones. No one I know will fly them.

It isn't a big savings but I have a 50cc Extra I'm flying now with the Spektrum A6030 on the elevators and I really like them so far. They're around $80, but I'll never go cheap on servos again!

Paul
Old 06-28-2011, 02:43 PM
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Mike06659
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Default RE: $100 Servos Help!!!!

I hear ya guys. I guess there is no way around it for now. They def got us. It can't cost any more to make a digital 70oz servo compared to a 300oz servo and triple the price. It does appear Spektrum A6030 are the best deal right now.
Old 06-28-2011, 03:13 PM
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Default RE: $100 Servos Help!!!!

I have a test mule that I try new servos and batteries on. My last disappointment was the EXI servo that Hobbypartz sells. They work ok in the air but are extremely jittery. I can't recommend them. [:@]
Old 06-28-2011, 03:58 PM
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Bill Vargas
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Default RE: $100 Servos Help!!!!

Hey Mike, here's another way to look at it,,,

A good name brand servo is cheap insurance.



There's 8 8711's in this one,,, flies like its on rails,,,



BV
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Old 06-28-2011, 04:11 PM
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Default RE: $100 Servos Help!!!!

I outfitted two planes last year- one got Jr8711 all around. One got Power hd's at $12 a piece on hobbyking blowout sale.. The 8711 are in a 100cc python, the hd's are in an omp 80" profile edge. I have flown the edge a bunch 50-75 of flights of balls out 3d and crashed it hard after it went straight in from about 70feet after the rudder tore half off from doing tail touches . All of the servos still work fine.. The python- 20 flights with only the last 5 or 6 with some mild 3d.. a couple of the 8711 are going back for service for jittering and gear issues... The reality is that to make the cheapest servo made to the best probably doesnt cost $10 more at the factory level. There has to got to be a huge profit margin in servos. Would you rather pay 100 and send it in 3 or 4 times over its life or pay 20 and throw it way every when it starts to act up? Thats what you are really paying for... Pay your money take your chances..
Old 06-28-2011, 04:21 PM
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bemeson
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Default RE: $100 Servos Help!!!!

I have been using SAVOX 1258TG and 1256TG servos. They are titanium geared, coreless, and fast. I have been using them for the past year in all my 50cc and 30cc planes. They have been excellent and the price is right. If they can survive Heli's they can survive the rigors of planes. If you are interested send me a PM and I can give you some additional information. I use to only place HITEC 79XX servos in all my planes, but I had some problems with them as well. I have a 50cc SBACH that has over 150 flights and they have held up great. They center as good as anything I have used in the past and the 1258TG are fast .08 at 6V. The torque is 170 ounces at 6v. The 1256TG are .15 at 6V and the torque is 277 ounces. I use the 1256TG for rudders and the 1258TG on ailerons and elevators. The cases have an aluminum mid case that dissapate heat.

Brian
Old 06-28-2011, 05:51 PM
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Mike06659
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Default RE: $100 Servos Help!!!!

All good info guys, thank you! BV I've thought about 8711's and my buddies have had good luck with them as well but the price hurts. Brian, I will check out the Savox's. Where is the best place to buy?
Old 06-28-2011, 06:08 PM
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Default RE: $100 Servos Help!!!!

I just sent you a PM
Old 06-29-2011, 12:29 AM
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Default RE: $100 Servos Help!!!!

I've used these in 30% 3D application without one problem.

http://www3.towerhobbies.com/cgi-bin...?&I=LXDTB3&P=M
Old 06-29-2011, 04:41 AM
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Default RE: $100 Servos Help!!!!

I've been flying ducted fan jets since the mid 70's. Back then, the strongest servos were 72 oz of torque. The jets flew at speeds of 180 to 200 mph. Most of my servos were 48 oz of torque and that was for elevators and ailerons. We never had a problem with those servos.

Now, companies are selling 215+ torque servos and charging $100+ for them. A 215+ torque servo is OVERKILL x 2. In my opinion (and from my experience) there is no need to have that kind of torque on any plane ... well, maybe a full size plane.

If you want to save money, still buy the name brand servos, but stick to torque less than 90 oz. I doubt you need more torque than that. If you want to feel a little safer, then buy servos with metal gears, but you don't need more than 72~90 oz of torque.

As for me, I use Futaba 3010 servos (nylon gears) in all my planes (including a P-47 with a 50cc gas engine) and jets.
Old 06-29-2011, 06:44 AM
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Default RE: $100 Servos Help!!!!

Its one thing to dumb thumb your plane into the ground, but if a cheap servo hobby king fails its reall gonna sting. Two things I never skimp on are servos and switches. I do skimp on my fuel tanks though...I use water bottles
Old 06-29-2011, 06:47 AM
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Default RE: $100 Servos Help!!!!


ORIGINAL: CowboyLifesaver

I've used these in 30% 3D application without one problem.

http://www3.towerhobbies.com/cgi-bin...?&I=LXDTB3&P=M
I wouldn't even use this for a throttle servo....nylon gear.

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