What Servos For 130X Tail: Comparisons After DS35 Debacle - HeliFreak
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Old 04-16-2013, 06:41 PM   #1 (permalink)
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Post What Servos For 130X Tail: Comparisons After DS35 Debacle

For tail servo specification comparisons that might serve the 130X tail, please see that section of this post below.


Discussion:

Is Walkera's WK-03-4 The Current Servo Of Choice?


Beginning with the WK-03-4, this nice servo is slower than the DS-35 and the stock, which is listed up to .09 sec @ 4.8 V. Will the .03 sec difference matter? It would have to be tested. Perhaps important to remember, it is made for a 120 and not a 130-size helicopter. The torque is 70 g/cm less than the stock (90g less than the DS35) as they are listed anyway. For this reason I would recommend insuring one has nothing bind and perhaps using weighted tail blade grips.

I suspect the Walkera servo would draw very little current, and, if it performs in these- and all the other needed aspects (other specifications like dead-zone are very important as we just found out with the DS35), might just be the one to use now that the DS35 has lost its original appeal, at least until getting the Hitec HS-5035HD. Has anyone here tried it?

Programming The Hitec HS-5035HD?

The HS-5035HD is said to be programmable. Perhaps someone could post a recommended servo programmer (e.g. http://www.hitecrcd.com/products/ser...rs/hfp-25.html) and give us their parameters for the 130X tail as well as why they chose them?

Mounting?

The Hitec dimensions will call for its own mount, while the WK-03-4 would probably fit quite well with the DS35 mounts that have become popular and wide spread. I see this as a major advantage of the WK-03-4 along with its proven track record in the Walkera micro helicopter. For this reason I mentioned it here first.

What About Other Servos?

The JR DS188 at 6g seems a bit heavy to me and larger dimension would require it's own mount. One user, Daddy B, seems to have some limited success with it as discussed in his post.

Since going down this road, does anyone have experience with the Turnigy TGY-D1290P, which at first glance looks like a potential close fit (closer than the WK-03-4 perhaps, except for dimension), or how about the Turnigy T531BBD, or the Turnigy T541BBD?

Do You Know Any Other Servos Worth Mentioning?

JST Connector And More Wire Needed With Non-Stock Servos!

Whatever servo chosen, the proper wire length and a small JST connector will be needed. If anyone knows a good source for these connectors and the wiring, please post them. One can solder to the old stock servo wire and connector, but that option is not for everyone. One can also use a nano JST male to micro JST female adapter like this one.

By no means an expert on servos, I hope this post helps and will stimulate more input.


Suggestion Regarding The DS35 Debacle That Prompted This Post:

Flying again after three months downtime I did not think to check the forum here before ordering a new DS35 servo. I never would have suspected the unpleasant tail wag surprise awaiting me.

It is true that the DS35 is not listed for the 130X, but surely HH must have known where the up-tick in interest for their DS35 was coming from, particularly when listing and I quote a "DS35 Servo Mount" on their 130X hop up page. To change the firmware without notification as appears to be the case reading DoubleCH's helpful analysis, points toward product inconsistency that can potentially undermine trust.

Perhaps HH might consider a product recall notice issued to all recent purchasers of the DS35 servo accompanied by offering proper “old-style” DS35 replacement as well as payment for shipping and handling. It would convert a loss into a win for everyone and show great customer service.


Tail Servo Specification Comparison For Potential 130X Tail Use:

(Having some trouble finding all the specifications for each servo, I focused on the basics below. Links are provided for more information. The listing is not in order of preference.)

Stock Tail Servo: Spectrum SPMSH2040T
Weight: 2.9g
Speed: 0.5-0.9sec @ 4.8V
Torque: .272kg
Dimension: 21*8.8*28.2mm (my measurements)
Source: http://www.horizonhobby.com/products...rvo-SPMSH2040T

Digital Tail Servo: Walkera WK-03-4;
Weight: 3.5g
Speed: 0.12sec/60° (3.0~4.5V);
Torque: 0.2kg/cm (3.0~4.5V);
Dimension: 17.5*6.4*21.7mm
Source: http://walkerasite.com/walkera_m120d01.html

Digital Servo: E-flite DS35
Weight: 3.5g
Speed: 0.05 sec/60° @ 4.8V; 0.06 sec/60° @ 3.7V
Torque: 0.29kg/cm @ 4.8V; 0.23kg/cm @ 3.7V
Dimension: 17.5*6.4*21.8mm
Current Draw Idle: 30mA @ 4.8V; 20mA @ 3.7V
Current Draw Stall: 350mA @ 4.8V; 230mA @ 3.7V
Source: http://www.e-fliterc.com/Products/De...rodID=EFLRDS35

Digital Servo: Hitec HS-5035HD
Weight: 4.5g
Speed: 0.10
Torque: 0.8kg/cm
Dimension: 15.5*7.6*18.5mm
Source: http://www.hitecrcd.com/products/ser...hs-5035hd.html

Digital Servo: JR DS188
Weight: 6g
Speed: 0.08sec/60° @ 4.8V; 0.06 sec/60° @ 6.0V
Torque: 0.87kg/cm @ 4.8V
Dimension: 19.8*11.2*20.3mm
Source: http://www.servodatabase.com/servo/jr/ds188

Digital Servo: Turnigy TGY-D1290P
Weight: 2.9g
Speed: 0.07sec/60°
Torque: 0.35kg/cm
Dimension: 22*8.7*22mm
Source: http://www.hobbyking.com/hobbyking/s..._07s_2_9g.html

Digital Servo: Turnigy T531BBD
Weight: 3.9g
Speed: 0.09sec/60°
Torque: 0.5kg/cm @ 4.8V; 0.6kg/cm @ 6.0V
Dimension: 19*8*17.5mm
Source: http://www.hobbyking.com/hobbyking/s...g_0_09Sec.html

Digital Servo: Turnigy T541BBD
Weight: 4.7g
Speed: 0.07sec/60°
Torque: 0.7kg/cm @ 4.8V; 0.8kg/cm @ 6.0V
Dimension: 19*8*19.5mm
Source: http://www.hobbyking.com/hobbyking/s...g_0_09Sec.html
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Old 04-17-2013, 09:59 PM   #2 (permalink)
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Anyone!!! Lol
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Old 04-18-2013, 01:34 AM   #3 (permalink)
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Thanks for collecting all the info! Hopefully this will encourage folks to try one of the other possibilities and submit feedback to the group.
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Old 04-19-2013, 04:45 PM   #4 (permalink)
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Post Heli-Max SX3000 Another Possibility Perhaps

I found one more potential 130X modification tail servo to add to the list; however specifications seem to be hard to come by and so it would definitely not be my first choice:

Digital Servo: Heli-Max SX3000
Weight: 3g
Speed: ?
Torque: ?
Dimension: 21.1*8.4*23.1mm
Source: http://www.servodatabase.com/servo/heli-max/sx3000

I also have at least in part solved the old- vs. new style DS35 mystery along with a fix, at least for the moment, of my failing old style DS35.
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Old 04-19-2013, 05:04 PM   #5 (permalink)
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Ok, who's got $20 to spend on an experiment?

Come on folks... pick your favorite servo from the above list, let us know which one, so we don't pick that one, then go buy it and try it on your heli, and let us know how it worked out.

I'm looking for the easiest to mount. I don't care about speed or weight at this point.
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Old 04-19-2013, 06:10 PM   #6 (permalink)
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Quote:
Originally Posted by rojack View Post
Ok, who's got $20 to spend on an experiment?

Come on folks... pick your favorite servo from the above list, let us know which one, so we don't pick that one, then go buy it and try it on your heli, and let us know how it worked out.

I'm looking for the easiest to mount. I don't care about speed or weight at this point.
I have had a TGY-D1290P on the shelf for a couple of months now, but have not installed it. My old worn out DS35 keeps flying very nice. I will put it in this weekend and report back.
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Old 04-20-2013, 05:08 AM   #7 (permalink)
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http://www.hobbyking.com/hobbyking/s...cro_Servo.html
Aluminum alloy gears and metal ball bearing

Spec.

Torque: 0.51kg ~ 0.61kg
Speed: 0.07 ~ 0.09sec / 60deg
Weight: 5.7g (.20oz)
Voltage: 3.7~5.0V
Size: 27x8.7x22mm
Plug: JR type

Operating voltage cannot be higher than 5V.
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Old 04-20-2013, 11:25 AM   #8 (permalink)
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Post Aluminum alloy gears and metal ball bearing

Quote:
Originally Posted by 3dblair View Post
http://www.hobbyking.com/hobbyking/s...cro_Servo.html
Aluminum alloy gears and metal ball bearing

Spec.

Torque: 0.51kg ~ 0.61kg
Speed: 0.07 ~ 0.09sec / 60deg
Weight: 5.7g (.20oz)
Voltage: 3.7~5.0V
Size: 27x8.7x22mm
Plug: JR type

Operating voltage cannot be higher than 5V.
Thanks for posting this. I looked through everyone of HobbyKing's servos and wonder, why I did not include this one, since I mentioned the JR DS188, both of which are tending a bit to the heavy side; however, if the added weight is no concern, the price is certainly right on this one.

Also thanks for posting the plug type. I suppose it would have been good to do that for all the others.
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Old 04-20-2013, 12:16 PM   #9 (permalink)
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Default What Servos For 130X Tail: Comparisons After DS35 Debacle

I have tried 5010mg servo (and so did liftbag). It works well but the quality is not so good. I bought two and both were dead very quickly.
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Old 04-20-2013, 02:47 PM   #10 (permalink)
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Quote:
Originally Posted by nartac View Post
I have tried 5010mg servo (and so did liftbag). It works well but the quality is not so good. I bought two and both were dead very quickly.
Which is a 5010mg servo?
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Old 04-20-2013, 02:53 PM   #11 (permalink)
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oops. got my "posters" crossed.
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Old 04-20-2013, 02:56 PM   #12 (permalink)
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Quote:
Originally Posted by Raggedyman View Post
Which is a 5010mg servo?

Here:

http://www.hobbyking.com/hobbyking/s...cro_Servo.html
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Old 04-20-2013, 02:58 PM   #13 (permalink)
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Default What Servos For 130X Tail: Comparisons After DS35 Debacle

Quote:
Originally Posted by Raggedyman View Post
Which is a 5010mg servo?
Yeah. The HK D05010MG. Sorry
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Old 04-20-2013, 03:33 PM   #14 (permalink)
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I just ordered one of these:
http://www.hobbyking.com/hobbyking/s...dproduct=23484
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Old 04-20-2013, 03:56 PM   #15 (permalink)
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Quote:
Originally Posted by SYMAWD View Post
Symawd, I was just going through some of the comments on this servo. There are a few warning not to use with 2s...

ie - "Please do NOT use this Servo with 2S! (like me) This part is designed up to max. 4.2V 1S and not max 8.4V 2S. You will blow up this Servo with 2S Remember that a full charged 1S LiPo has 4.2V! and not 3.6V"

At that low price I guess it won't really matter too much if it 'melts', as long as it doesn't affect the esc or make you bird crash.

Would be great if it did work out well
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Old 04-20-2013, 04:12 PM   #16 (permalink)
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Quote:
Originally Posted by mixfisto View Post
Symawd, I was just going through some of the comments on this servo. There are a few warning not to use with 2s...

ie - "Please do NOT use this Servo with 2S! (like me) This part is designed up to max. 4.2V 1S and not max 8.4V 2S. You will blow up this Servo with 2S Remember that a full charged 1S LiPo has 4.2V! and not 3.6V"

At that low price I guess it won't really matter too much if it 'melts', as long as it doesn't affect the esc or make you bird crash.

Would be great if it did work out well
I'm pretty sure the 3 in 1 regulates the voltage at 4.2V because that is what the stock servos are rated for.
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Old 04-20-2013, 04:23 PM   #17 (permalink)
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Quote:
Originally Posted by SYMAWD View Post
I'm pretty sure the 3 in 1 regulates the voltage at 4.2V because that is what the stock servos are rated for.
yes, from what I read, the 130x board puts out 3.8v to the servos so it would be fine.
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Old 04-20-2013, 04:25 PM   #18 (permalink)
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Quote:
Originally Posted by SYMAWD View Post
I'm pretty sure the 3 in 1 regulates the voltage at 4.2V because that is what the stock servos are rated for.
Great...have at it!

Did you order from overseas or USA warehouse?

This would be a amazing it it worked
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Old 04-20-2013, 04:37 PM   #19 (permalink)
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Quote:
Originally Posted by mixfisto View Post
Great...have at it!

Did you order from overseas or USA warehouse?

This would be a amazing it it worked
HK warehouse. One person on here tried it and said it worked, but didn't post a whole lot about it, DoubleCH tried one he bought a year ago I think and didn't care for it. I'll probably test it mid May.

Amazingly, my order shipped in just 11.5 hours. Since when did HobbyKing become so quick?
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Old 04-20-2013, 04:47 PM   #20 (permalink)
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Quote:
Originally Posted by mixfisto View Post
This would be a amazing it it worked
FYI - Under the "reviews" tab on the global warehouse HK page, user Sajjad mentions using it in his 130x and provides a youtube link showing the 130x flying with this servo. He did later add youtube comments indicating he went to a DS35 and liked that better. The "files" tab on the HK page has pictures showing how someone had mounted it on the 130x.
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