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> Servos & Parts > Turnigy Servo
> Servos & Parts > Park Servo 21-30g


TGY-306G-HV High Voltage Ultra Fast/High Torque MG Digital Alloy Cased Servo 3.7kg / .05sec / 21g

TGY-306G-HV High Voltage Ultra Fast/High Torque MG Digital Alloy Cased Servo 3.7kg / .05sec / 21g
TGY-306G-HV High Voltage Ultra Fast/High Torque MG Digital Alloy Cased Servo 3.7kg / .05sec / 21g

TGY-306G-HV High Voltage Ultra Fast/High Torque MG Digital Alloy Cased Servo  3.7kg / .05sec / 21g - Excellent 450 Heli & 3D servo.

Model: TGY-306G-HV
Operating Voltage: 4.8V / 6V / 7.2V
Operating Speed: 0.07sec.60º/ 0.06sec.60º/ 0.05sec.60º
 Stall Torque: / /
Size: 22.9X12.1X27.3mm
Weight: 21g
Motor: 12mm Coreless
Potentiometer: indirect Drive
Ball bearing: 2 Ball Bearing
Gear: Metal
Case: Aluminum
Connector wire: 220mm
Plug: JR/Universal

PRODUCT ID: 9355000003

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Weight (g) 21
Torque (kg) 3.7
Speed(Sec/60deg) 0.05
A(mm) 31
B(mm) 23
C(mm) 27
D(mm) 12
E(mm) 32
F(mm) 20
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Weight: 33g
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Price  $23.95

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 Customer rated
Total of 125 discussions.
bo-105  30 points - 1/21/2015
de 22 a 60 dolares?? por que tanto dinero??
wiebel  1 points - 1/21/2015
Would this one work in the Trifecta.
Adam  1 points - 11/7/2014
Will this servo work in a team associated b5m 1/10 2wd buggy?
Whitman Flyer  41 points - 10/14/2014
I do not think Doobie actually owns these servos. But he is clearly a PRO Contributor. Yes, they all rotate 360 degrees. It is in the design. I actually have more than a dozen of them. I can also tell you that many of my larger high end Turnigy digital metal gear servos also will turn more than 360 degrees by hand. I do find that they can start to flutter with larger control surfaces. So I prefer the slightly more expensive DMH series. Or for less expensive planes the DMG servos are excellent even with the GA-250 gyros (even though they say don't use the DMG's with Gyros). I have had them on gyros on my PZ visionaire for over a year. And I do not expect to get the "best answer credit", because quite honestly on HK that appears to be cornered by a group of scam artists that troll the website.
enlighten  16 points - 10/8/2014
Hi All, I notice my TGY-306G can physically rotate through a full 360 degrees. Is there any way to alter or program these to travel say 180 degrees or 270 degrees on a normal 1000-2000 PWM input? Cheers!
 Doobieman 1351 points
Sounds like it's broken. None of mine do that, and I have a dozen of them.
 enlighten 16 points
Thanks for the reply mate. I mean physically turning the servo whilst unpowered? I've read some references that is normal. I've also read they can be modded for extended range as well as 360 degree operation. I just haven't found a tute on how to accomplish this in practice. Cheers!
 Doobieman 1351 points
Well, the ones that I have turn roughly 180-190 degrees, maybe a bit more. It might be possible to make them turn more, perhaps by altering the PWM value, but I'm not aware of any ways to do that, other than custom programming a microcontroller.
 enlighten 16 points
Interesting there's that difference in batches of these. I'll keep searching and see what I come up with. Cheers mate!
 Doobieman 1351 points
Cheers, and feel free to award me best answer credit, mate. :-)
 The General - x5 151 points
If unpowered yes you can turn these by hand 360 degrees. These servos don't have stoppers in the gears inside. The pots inside are also designed to do 360s without hitting a stopping pin. No damage from doing this.
 enlighten 16 points
Awesome, thank for the reply mate. Do you have any links to how to use them for say, 270 and 180 degree rotation? ie. Is it as simple as just sending them and extended range PWM signal? Sorry for the basic questions, I haven't had time to get back to this for an in depth search. Cheers!
 The General - x5 151 points
It is not possible at all. Rc pwm is quite different from duty cycle pwm. Rc uses 1-2ms pulses and with 1.5ms being the middle or neutral. extending the pulse or shortening may cause servo to malfunction. They are built to read pulses in the 1 to 2 ms range.
 enlighten 16 points
I'm looking at using them with a Fatshart Trinity head tracker. It has an 'extended' range that sends a 0.8 - 2.24ms pulse to the servos. This will drive some servos into their physical stops from what I read. I'm really looking for a way to program the servo for different degrees of rotation on the normal 1-2ms pulse, so mainly interested in whether these servos can be reprogrammed somehow... but failing that, also interested in how they behave when fed the extended range. Thanks again for the reply mate!
 The General - x5 151 points
Gimbal servos have 540 degree rotation... Try those.
Customer Reviews
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I love this servo! I just received mine in the mail yesterday and immediately put it through my series of tests that I do to all new servos. I ran it on my servo tester at 6.65 volts. Here is what I have found about this servo.

- Consistently cycled 60 degrees at 0.066 seconds.
- Consistently centered with no visible "bounce."
- There is zero slop in the gear train of this servo.
- The servo is very quiet and does not chatter.
- It is somewhat heavy for its class of servo but not too much to make it unusable.
- I ran highspeed no-load cycles at full speed for 10 minutes. The servo worked perfectly and the case was reasonably warm to the touch.
- The quality of craftsmanship is excellent.
- The servo wire is very flexible and plenty long when compared with other servos in the same class.
- My only dislike would be with the servo arms. I would guess that the splines in the arms would strip during an impact rendering the arms useless. That is probably a good thing, though, as the arm is a good place to serve as the "weak link" that absorbs any stress rather than the geartrain and case.

* I would highly recommend this servo for high speed/performance planes AND jets or for the cyclic and tail controls of a 450 class heli. This servo is simply amazing! I will surely be buying more of these!


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Bought 2 of these, they are very fast #1 - 0.051sec #2 - 0.049sec No jitter on #1, jitter disappeared after testing a bit on #2, no deadband, after 10 mins of cycling they were warm but quieter. Disassembled and ground down the connection leads (aluminum case and ugly solder is a bad combo) Going into a large flying wing, the small size will be nice for a thin airfoil. I'll likely buy more in the future.

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So far pretty good servo, using it in Hobbyking Slick. Planning to use it all around in Rex 450PRO.

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these servos are purely awesome, fast, strong, easy to the eyes and had a crash this weekend and they didn't get any damages, I recommend them, they make extremely good servos for the swatch mix and they could easily be used for the tail as well will buy some more for sure

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I bought two of these servos. They looked nice until all the stickers came off and I noticed they were just covering the motors inside. Yes the motors are a tad larger than the case so they protrude to both sides of the case. They are fine, but I thought that was weird. Stickers felt like they had oil instead of glue. They do feel nice but you do have to add tape/foam tape or hot glue to the bottom of the case to prevent any shorts. One feels nice and quick, the second one doesn't feel quite right. It feels slow for some reason, but it's on a flybarless setup. Flybar 450 feels great though. Oh you have to use the short star shaped arm. The others I found to rub/hit the boom. So still not sure how well these will be since one is pretty good and the other not so good. Will update as I find out more. Hopefully HK can go a bit lower, will definitely get one or two more then. It's a job thing not that I'm cheap.

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