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Hey EA , I'm looking for good rudder/elev servos for my REAKTOR , will this be good , should i stick to pull-pull or go with carbon push rods? and finally which aileron servo would be best ??
Hi Trevor, Servos are the one area where I haven't found the "perfect combination" for the Reaktor. I have these servos on the rudder/elevator of my current (3rd) Reaktor and they're still working great, but I also have 4 of these in my salvage parts box that burned out almost immediately. At $7 each and 1 out of 3 working, I would NOT recommend these. I would recommend that you use PRODUCT ID: 9397000001 ($4.89 each) all 4 servos with a couple extra ordered as spares. I just haven't found anything smaller/lighter that can take the abuse of 3D without failing after a few hard "premature landings." I prefer CF rods (1.5mm-1.8mm) over pull-pull, but some one posted a great idea about replacing the thread with dental floss on the Reaktor, as it's tougher and easier to tie off.
Hi Teynor, I don't think there is an aftermarket metal arm that will fit the output shaft on this motor. I used a 6mm x 1mm strip of carbon fiber to strengthen/lengthen the servo arms for 3D use and it worked fine. Cheers, EA!
Hi goldsworthy, V3 probably refers to the version of the firmware programmed into the processor. It shouldn't be important unless you plan to re-program the factory settings. Cheers, EA!
Hi atown93, Most of us who own these have a love/hate relationship with them. I don't know what the story is with the internals, but my failure rate is around 40% and always on first use. The ones that work keep working well. I have them on a 350g #D foamie and they take a pounding but haven't failed. Yet when I first built the plane, I had to throw away 2 of the 6 I ordered because they smoked on first power up. There are other MG servos out there in this weight range, but the cost is double or triple the cost of these. Cheers, EA!
I may use a little caution when utilizing this servo, by what I've been reading it's a bit temperamental. I haven't received mine yet so I couldn't tell you about my experience with it. I do have a back up plan just in-case mine does fail. I would say to use it sparingly until you know for sure about how it functions. As far as you BEC is concerned, the servo is rated for 5V max so you should be ok. Are you using the servo for FPV flight or a flight control component?
This servo's working frequency is 1500us/333mhz via ***********ltair****/index.php?route=product/product &keyword=D05010MG&category_id=0&description=1&model= 1&product_id=126
Ditto. Failure rate is now 65% as the rest of the surviving servos have started to burn out (with regulated 5V) out of the 50.. They should come out with a version 2 with good industry grade components.. Then this would be an excellent servo.
Hatte 12 dieser Servos gekauft. In den ersten Stunden sehr zufrieden gewesen, prä*ziese und kraftvoll. Dann aber innerhalb kurzer Zeit ausfall von 7 Stü*ck. Keine Funktion, zittern und vor allem selbsttä*tiger Lauf in eine Endstellung und darü*ber hinaus. Zum Glü*ck alles am Boden passiert. In der Luft hä*tte ich den Segler verloren. 6 Servos von HobbyKing gutgeschrieben bekommen.
Be warned.
Must have bought about 50 of these. Used for glider and FPV, e.g., Ventus, Deamon, etc., that is relatively low load applications.
Still have had 45% failure rate due to:
1. burning out
2. locking in on one side
3. waggling by itself out of the box
4. simply non-responsive and/or burning out of the box.
No use filing a refund as it takes 2-3 months for HK to do the credits.
So bottom line, ends up paying 14 bucks each, in effect.
However for the remaining surviving servos, when they work well, they work well for the time being:
1. very precise and excellent centering,
2. must be the fastest servo I've used so far, great for auto pilot as they reduce latency and increase nav accuracy*
3. fine movement granularity and hold, with virtually no dead band.
All the best.
I did the same thng bought close top 50 myself because there is currently no other metal gear servo in this size and weight spec.The original one I bough a few years back worked fine, so I went tiwh a larger opurchase, but quality has dimished. The servos could be made better if Blue Arrow would take a step back and fix the loose gear mesh problem whch is why most of the srvos I tried failed. All they have to do is make the drive gears thicker and make the plastic pocket for the first stage gear axle also beefier for the drive gears. Perhaps sacrifice speed for more precise engegement of gears by making the teeth thicker too. The problem arises when the servo horn is under tension or a bit of heavy load. I am not taling abussinve load but load of a typical small 4 ounce foamy airplane control surface.
I've bought some Blue Arrows thru a semi-local DualSky dealer & they'v been great....so far! Now I'm getting worried seeing all this. Wonder if there's any chance these HK is selling with such awful failure rates might be knockoffs or counterfeit? This company I bought thru don't cut no corners! If they failed at these claimed rates they wouldn't carry them!
My question is, I wonder if this product if the product is in the same link above.
Specification description is wrong, but because the same Model
5v, 6v is not important.
Please determine the gist of the question and answer.
link = ***********ltair****/index.php?route=prod
uct/produc t&path=17&product_id=126
Hi Byeong Jun, Your link didn't make it into your post. I don't know what you're asking, but if you're going to use these servos with 5vdc or less power supplied then they should work fine. Cheers, EA!
The manufacturer listed on the website and different.
http://www.ltair.com/index.php?route=prod uct/product&path=17&product_id=126
Control System: PWM Pulse Width Control
Processor: Digital IC
Required Pulse: 3 to 5 V Peak to Peak Square Wave
Working frequence: 1500 μs /333 μs
Rotation angle sensor: Precision Potentiometer
Rotation: Left Rotation: 46, Right Rotation: 46
Voltage: 4.8V to 6.0V
Temperature Range: -20℃ to 60℃
Driver Type: MOSFET
Operating Angle: 45 Deg. one side pulse traveling 400μs
Direction: Clockwise/Pulse Traveling 900μs-2100μs
Pulse Width Scope: 900-2100μs
Neutral pulse: 1500μs
Speed:(No-load ): 0.08sec/ 60° @ 4.8V
0.07sec/ 60° @ 6.0V
Torque:(Stall Full load): 1.20 kg . cm @ 4.8V
1.50 kg . cm @ 6.0V
Idle Current: <0.05 A/ 4.8V <0.05 A/ 6.0V
Running Current: <0.10 A/ 4.8V <0.10 A/ 6.0V
Stall Current: <0.10 A/ 4.8V <0.10 A/ 6.0V
Motor Type: Coreless Motor
Bearings: 1 Ball Bearing
Bearing Type: MR74 (4mmX7mmX2mm)
Gear Material: Metal Gear
Servo case: ABS
Plug: "J" type
Connector Wire Length: 160.00 mm
Connector Wire SPEC: OD0.8mm/16 x 0.08mm 3p x 160mm "J" type
Weight: 5.80 g
Dimensions (L x W x H): 19.60*8.00*19.40 mm
What Is it true?
target=_blank>spec
Hi Byeong Jun, Most of the specifications are accurate and these are very good servos, but running them on 6VDC power has caused problems for lots of people. I had 2-3 of them burn out for no reason on the higher voltage, but have not had any trouble with them on 5.0VDC power. Cheers, EA!
Update: failure rate is now about 60% as more burned out of the 50 I've bought and failed. Note that since start, I've used a UBEC VR to ensure that voltage stays at 5V.. but still they burn, some out of the box, and some during use. I've now changed all my servos to avoid risk of crashing my airplanes... Just be cautious in using this servo. HK should ask blue bird to come up with an improved version of this...
Este es un servo fantastico, mantiene el centro perfectamente al volver a la posicion neutra y sus especificaciones lo hacen ser un gran rival para el Dymond D47, al ser este digital y mas veloz.
Hi Raju, I've had a love/hate relationship with these servos. I use them on a 300g 3D foamie with standard motor/ESC (5vdc BEC) set-up. They're strong, lightning fast, and reasonably precise. However, out of the 8 that I've purchased, I've burned out 3 for no obvious reason (not crash-related). My best guess is that they are very load sensitive above 5vdc and any severe loading (i.e. 3D/high-G flying) at the higher operating voltage (5vdc or more) can fry the internal circuitry with no warning. Cheers, EA
not good for hk450 tail servo. not good at all for every cyclic. braces are too flexible. i use it on my firefox 200 tail and it's great for this application!
Your sentence was cut off, but if you're asking about the Combat & Slope Soaring Wing, these servos are fine. They have plenty of torque for models up to 400g or so. Cheers, EA
hey would these be a good tail servo for a 450 size heli? or 250 even, id set it up with the ga250 gyro so id need to know the servo timing too but cant find it, any help would be greatly appreciated thx!
yes, u can use it for the 450 tail. its recommend to use a head lock gyro. this servo did not work with the align 3G or 3GX flybarless gyro system because servo timing!!!
Hi Mar11, There's no way you would want to use these on a Domin-8-trix, as they're just not strong enough and the servo arms are very weak. If you want a really fast/tough/cheap 3D digital servo for this plane, try the HK 929MG (see PRODUCT ID: DS-929MG) made for HK by Corona. Only cost $5.76 and I've had great results with them on my mid-size 3D planes. Cheers!
Hi Mar11, The Domin-8-trix calls for servos from 9g-12g. These servos are 6g servos, not 9g. Could you fly the plane with them ... yes, they will move the control surfaces with enough force to fly the plane very gently. Will they survive a rough landing, high speed aerobatics, etc. ... absolutely not. I've flying RC since 1979 and I'm a retired mechanical engineer. I'm giving you the best advice I can, but it's still up to you in the end. Cheers!
Hi Mar11, Thanks for the credit. Let me know what you think of the Domin-8-trix, as HK now has them in the Australia warehouse and it looks like a nicely made plane. As for your servos, hang on to them and you will certainly find another plane to use them on. If you fly 3D, have a look at the Reaktor EPP 3D. These servos are perfect for it and it's an awesome plane. Cheers!
I've got the domin-8-trip for 2 month now but not yet put together...well no time and I'm reading a lot about a faulty rudder n elevator so looking for a solution so to fly it!
I've got the mx2 it's a great plane but facing problem with the COG, ANY ADVICE
Anyone know how this servo would compare to the Parkzone PKZ1090 digital metal gear that comes in a Stryker F-27Q? I just had one of those go bad and am thinking I'd like to try one of these. These are 3mm narrower, but I can live with that. Thoughts? Thanks!
Hi Jason, This servo will be comparable to a PKZ1090 in torque/power, but will be faster as it's one of the quickest (.07 second) servos in this class. That shouldn't be a problem unless you're only planning on replacing 1 of the 2 elevon servos with this one. They need to be a matched pair. Cheers!
I was waiting them from December. I just canceled them so I can receive other goods. Seems HK have some problems with stocks on many items they sell. Maybe a change in stock responsible managers will solve the problem. Is almost useless to contact them and remind that you are waiting the goods you already payed for 6 months. They do not care.
Ah the million dollar question! Unfortunately unless the item is in stock it is really a lottery - just waiting for your numbers to come up! The Eta's they give are so inaccurate it is infuriating - best to not be in a hurry and back order!
finalmente un servo piccolo a ingranaggi metallici,veloce,digitale,a prezzo modico!
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duncanB
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Sweet little servos. very fast. Docs that came with them claim 1.2 kg @ 4.8v, and also give 6v specs, so description appears modest. I'm torturing 2 on a high powered slo stick
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elektrobert
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Die Dinger sind einfach perfekt: Gewicht inkl. Kabel unter 6g, sauschnell, und da geht nichts kaputt, wenn man den Servohebel blockiert. Das Getriebe ist sehr leise und macht einen absolut robusten Eindruck. Auch die Auflsung ist perfekt, kein berschwingen festzustellen. Da ist den Chinesen ein wirklich gutes Servo gelungen - Gratulation aus sterreich. Remenber: There Are No Kangoroos In Austria!!!
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Wireman
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To begin with, this is the fastest servo I've ever seen. It's faster than the MD922's that I also have. I hooked up those two together with the DS65HB that I got in my last delivery from HK on my Turnigy servotester. And only by the eye I saw the D05010MG was faster than those two. Continue:
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santuz
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bought 4 of them to use in a DLG, not bad, but one servo burnt and the servo arms are weak and too flexible
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