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> Servos & Parts > Micro Servo 5-10g

  RATED:

HXT900 9g / 1.6kg / .12sec Micro Servo

HXT900 9g / 1.6kg / .12sec Micro Servo
HXT900 9g / 1.6kg / .12sec Micro Servo

HXT900, one of the most famous and the best value micro servos available.
Used by tens of thousands of hobbyiests world wide. The HXT900 is the #1 trusted low cost 9g servo.

Features:
• Plastic Bushing
• 25cm wire
• Coreless motor
• Servo arms & screw included

Specs:
Size : 21x12x22 mm / 0.74x0.42x0.78 in
Voltage : 3v ~ 6v
Weight: 9g / 0.39oz
Speed : 0.12 sec/60(4.8V)
Torque : 1.6kg-cm
Working Temp : -30C~60C
Gears: Nylon White type


Note: Due to customer demand we have changed back to the original white gear HXT900.

WARNING
These servos can be found on eBay and other asian sellers at close to this price, however be warned, they do not contain Taiwan/Japan components. HexTronik (the manufacturers of these servos) have two standards, one is for local sale, and the other is export quality with imported connectors and resin gears from Taiwan and Japan.
Our HXT500 and HXT900 are export only, and not built for the domestic market. You will not find the same quality servo for less, anywhere!



PRODUCT ID: HXT900

This product available from a warehouse near you!

Weight (g) 9
Torque (kg) 1.6
Speed(Sec/60deg) 0.12
A(mm) 29
B(mm) 23
C(mm) 26
D(mm) 12
E(mm) 32
F(mm) 16
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Customer Data

Weight: 19g Quantity: 
International Warehouse
stock
OK
USA West Warehouse In Transit View Item
Price $2.69

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 Customer rated
55087
crowns
  
 
Total of 598 discussions.
TrDXFilms  73 points - 8/25/2014
 
i put this servo to the test. https://www.youtube.com/watch?v=dCgiE0xpToI
 Tuomas 200 points
Good test, but I think that the best test is to take these in real and visible use!
 TrDXFilms 73 points
Nice plane. I have thise servos in all my planes
 EstebanT 587 points
Excellent idea. Very smart test. Thank you! Best Regards!
Juan Carlos  15 points - 8/14/2014
 
i cant wait for mine. LOL
 RonRC 3605 points
Great little servos that work well on my F-22 scratch build.
BEST ANSWER CREDIT AWARDED
Mauro Barros  53 points - 8/2/2014
 
This servo is very good, the price is small and very utily.
simon.castle  594 points - 8/1/2014
 
Not bought this servo for over a year due to the problems with the gears and badly formed output shaft, had several where the arm would jump on the shaft, Any way here again using this as a box filler, lets hope its good again.
 Rune-Andre 73 points
Have no problems with mine.
Sanjay  1 points - 7/25/2014
 
I tried using this servo with Turnigy 760LV-HV Dual Pulse Width Selectable Servo Tester. When I select the servo tester to 760us it does not do any thing. When I set the servo tester to 1520us it makes a movement noise (grinding noise) but the arm of the servo does not move. On selecting manual mode, it makes the same grinding noise when I increase the signal, at automatic mode it makes the same grinding noise as it would do in automatic mode. But the arm never moves. Is my servo faulty ? or is my servo tester faulty or I am missing some thing ? Please suggest. I am new to all this. Thx =Sanjay
 EstebanT 587 points
1) You should use 1520us for this servo. 2) Make sure your battery/bec maintains continuous voltage between 4 and 6 volts, otherwise the tester will tun off (mine did not operate with 3V) or the servo will get burned- Do not exceed 6V!. 3) If problem continues, try with another servo to decide if you have a faulty servo or tester. Regards!
Customer Reviews
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Overall Rating
Saurabh
19742 likes
ValueUNRATED
QualityUNRATED
456 thumbs up!
One of the best and MOST HOT selling servos... These come into stock and within 3 days are again out of stock... HOT SELLING Item. The performance of this servo is extremly good and fast. Very accurate and there are no centering issues. The gears are resin/plastic and for the money totally worth it.
I have been using these on my foamies for a long time now. A bit noisy but torque is good. Highly recommended. Buy them before they go OUT OF STOCK AGAIN.


20 comments. Reply..

Overall Rating
Anders Höglund
likes
ValueUNRATED
QualityUNRATED
129 thumbs up!
These gems are fast and strong, a bit noisy perhaps.

There is a downside of beeing strong and fast, they draw quite a bit of current.
I measured about 550mA when exercising one HXT900 without load. This is an average, it seems to require more peak current. If used together with a linear BEC it will cause voltage drops.

I tried 2 HXT900 with a 1.5A BEC and a Spektrum AR6200 Rx. I could not exercise those two without loosing power to the Rx and cause it to a "BrownOut Reboot".
With four servos connected, I could not even touch the control stick. The BEC circuit also got so hot it melted its plastic sleeve. Still works though, did not fail completely.

I tried with a larger ESC, having a 2A linear BEC, and it worked much better. But I could still force a "brownout reboot" by wildly excerise all four servos. I dare not fly my Pitts this way.

So, with four servos or more and an AR6200 Rx, I think you must use a larger switch mode BEC capable of 3A at least.

This is a combined problem of high current surge, poor power supply and voltage sensitive Rx. And maybe poor filtering of the powerline.
Not really a problem with the servos as such.
/A


27 comments. Reply..

Overall Rating
Anthony Manti
likes
ValueUNRATED
QualityUNRATED
84 thumbs up!
Alot of flyers in the area are just loveing these. Similar, and in some aspects superior performance to the famous HS-81 at one quarter the price.

Here's some stats from the forums here at Hobby City:

Results in degrees/sec.:

@4.8V 450
@6.0V 560
Results in sec/60degrees.:


@4.8V 0.13

@6.0V
0.11

Torque Centering
1.3 .2



3 comments. Reply..

Overall Rating
Quinton Marais
likes
ValueUNRATED
QualityUNRATED
77 thumbs up!
These HC babies kick Hitec HS-65HB's into the weeds starting with a massive 6:1 price ratio saving and ~identical physical size26.8hx23.2Lx12w mm at 9g. They use their own horn spine type however and good quality copper servo wire, and make a similar noise. My tests show very slightly higher power drain than a HiTec HS-65HB
@4.8v smooth flying/hard reversals/stalls @/speed
HXT900 160ma/290ma/690ma/0.14-60° (side-by-side with Hitec)
HS-65HB 135ma/260ma/545ma/0.14-60°
I have bought more than 30 of these and never did one give a problem with normal park flying/crashes and they work fine at 6v but be aware the current will rise to 190ma/370ma/690ma for your BEC. This servo allows you to own and operate 6 models where Hitec would limit you to one model. You decide. My recommendation is get more for less - they are basically the same spec. Sure we all have a few models that we like to run expensive servos on, but these HXT900 are the base to build a big pyramid on, and spend the money you save on buying more airplanes and helicopters. I don't consider them anything like a HS55 which = HXT500. 5 star performance for a 10 star price.


6 comments. Reply..

Overall Rating
Sergio.
230 likes
ValueUNRATED
QualityUNRATED
62 thumbs up!
These are really nice servo, and you get seven of them included shipping, for the price of one in Portugal.
These servant are fast and very accurate, and the price is fantastic.
Five stars.


8 comments. Reply..

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