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Turnigy™ TGY-390V Coreless HV/DS/MG Servo w/Heat Sink 5.4kg / 0.11sec / 22.5g

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Turnigy™ TGY-390V Coreless HV/DS/MG Servo w/Heat Sink 5.4kg / 0.11sec / 22.5g


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Operating Voltage: 6v ~ 7.2v
Weight: 22.5 grams
Dimensions: 29 x 13 x 30 mm
Torque @ 6.0V: 4.6 kg/cm
Torque @ 7.2V: 5.4 kg/cm
Speed @ 6.0V: 0.14 sec / 60° at no load
Speed @ 7.2V: 0.11 sec / 60° at no load
Gear: Metal gear / Dual ball bearing
Motor: Coreless
Splines count: 25

  • Servo Torque(kg)(min. 0.01kg) 5.40
  • Servo Speed (Sec/60deg) 0.11
  • Servo A(mm) 30.00
  • Servo B(mm) 29.00
  • Servo C(mm) 30.00
  • Servo D(mm) 13.00
  • Servo E(mm) 39.00
  • Servo F(mm) 21.00

Dimension Diagram Guide

  • attributeset-11


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Scooterbc | Verified Buyer

  • Quality
  • Overall
  • Value

sehr zufrieden

Jan 01, 2021

habe viele dieser Servos und nur gute Erfahrungen gemacht

hps | Verified Buyer

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  • Value
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price little bit too high for quality

Dec 01, 2019

you have to open gear and greas, gear is completly dry

Andy | Verified Buyer

  • Value
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  • Overall

Great servo, but the supplied hardware is naff

Jan 02, 2019

Have these on throttle in large IC boats, the servo itself I cannot fault, but the supplied plastic arms are rubbish, they're very cheaply made from nasty plastic.

Rudern | Verified Buyer

  • Overall
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Great servos for a great price

Apr 08, 2018

I have so fare "abused" these servos trough about 60 flights/7h of 3d flights with gyro in a 52" EF slick and they are still going strong. would definitly buy these again for a similar project.
I opened them and added some grease to the gear prior to use.

Daniel | Verified Buyer

  • Overall
  • Value
  • Quality

Well made and reliable

Apr 27, 2017

I use this in the weapon of a fighting robot. It is exceptionally robust and reliable. I bought 4 and none have broken yet!

MikeExtra300 | Verified Buyer

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Customer Rated

Oct 24, 2016

It works perfect with 8.4 V
Tested in Jet model so in big piston (DLE120) on throttle just at the engine.

think one of the best servo :-)

| Verified Buyer

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Certified Buyer Rated

May 29, 2016

Super servo til rimelig pris. Momsen skal ned I dk foer vi gaar konkurs

Simon | Verified Buyer

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Customer Rated

Mar 10, 2016

I bought a mixed bunch of 390, 393 and 396 servos, initially they were great apart from one failure on arrival. Within a month two more had failed and were replaced. 3 months on and I have 4 more total failures and 2 that are glitching.
Don't buy them!!!

jeffT | Verified Buyer

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Customer Rated

Mar 04, 2016

Not worth their price.
I have ordered 6 of these servos, at first they look good and sturdy. As some other already mentioned here that the gear train comes with no grease. I decided to open one for inspection. I had the opportunity to check that all the gears are metal, but there was indeed almost no grease on the first one I have checked! I don't know... Maybe they are trying to save on lubricant at the factory? I applied pinion grease everywhere, and it works well. On the next one I opened there was some sort of residue inside that looked more like burnt oil from an IC engine than proper fine grease. I've did my best to clean this and lubricated the pinions. But when I closed the case, the thread broke on one of the insert for the screws.
What a disappointment! These servos are not cheap, but the quality control is so so :(
I will not buy them again.

Sooty | Verified Buyer

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Customer Rated

Apr 13, 2015

These are the best general purpose servos of this size I have ever used. They are tight and precise and pack a punch with their power. I can run my flight systems off 2S Life batteries without any worries, eliminating BECs as one less potential failure point. Just dismantle and lube the gear train before use to avoid premature wear as these servos come with dried out grease in bearings and gears. I have tried other servos with identical size, case, and gears - different coloured labels - these suckers stand out above them all.

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