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> Servos & Parts > HXT Servo
> 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
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Price $2.69

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 Customer rated
55089
crowns
  
 
Total of 602 discussions.
RonRC  3658 points - 9/30/2014
 
Great little servos and quite strong for their size. I use them on many of my aircraft except for the ones I built when these were out of stock. My F-22 had a half moon tear around the Elevon control horn from doing quick loops but the servo was fine.
Adnan  4 points - 9/24/2014
 
Can this be powered directly from the multiwii board, without any external ESC? I mean, can I attach this to the camera trigger output directly?
 KryPL 223 points
What voltage does the board provide? If it is in the range 3- 6 V, you can connect it directly.
 Maria 177 points
be careful though, my multiwii reboots every time the servo moves even with a 3a BEC. In my experience you should use an external BEC
Maurice  5 points - 9/15/2014
 
Poor Service from Hobby King. I would just like to state my experience regarding shipping. I haven't received my parcel after 63 days. Hobby King informed me (not in direct words) that it is my problem and they can`t and won`t do anything. Can anyone give me some advice which they had used previously when in a similar position with Hobby King? Thanks.
 Ospray 15 points
Did they told you that they have shipped the product. Do they give you any tracking number. If they had shipped the parcel, It might be stuck at your airport. Please inquire at the customs department.
BEST ANSWER CREDIT AWARDED
 EstebanT 622 points
One of my parcels was returned to sender because of the LiPos issue last year. In my case, I had to wait for a lot of time (about 6 months), but finally I got a full refund, items were refunded first, and shipping cost was refunded later (I choose credit points). I recommend you to open a ticket in the 24hr Support Center and keep it open until you get the problem solved. Be polite, but persistent. Always refer the purchase order number and the parcel tracking number. They are good people and should help you and solve your issue. Good luck! Best Regards!
 Maurice 5 points
Thanks for everyone's reply. I checked with customs. My parcel is still in Malaysia (KUALA LUMPUR) as from 7/19/2014. This parcel service is recommended by Hobby King but they take no responsibility for South African clients. Because of this technicality it is my problem.
 Ospray 15 points
Some times this happens. It also happened to me once. I ordered a parcel from HK through a parcel service which was recommended by HK. They told me that the parcel will arrive within 10 days. But instead of 10 days it took almost 45 days to arrive. In my opinion you must open a ticket in the 24hr Support Center as EstebanT suggested.
PRODROMOS  1 points - 9/4/2014
 
Dear Hobbyking, Please inform us if we can have a wholesale price for a quantity of 2,000 or 5,000 HTX900 servo motors. Best regards, Prodromos Mikros METALOR S.A.
 r_g_r 1321 points
Guys this is a customer discussion form. If you want to get in contact with hobbyking you need to contact the support. Or as they clearly state on their wholesale page you can contact wholesale*hextronik****
TrDXFilms  75 points - 8/25/2014
 
i put this servo to the test. https://www.youtube.com/watch?v=dCgiE0xpToI
 Tuomas 204 points
Good test, but I think that the best test is to take these in real and visible use!
 TrDXFilms 75 points
Nice plane. I have thise servos in all my planes
 EstebanT 622 points
Excellent idea. Very smart test. Thank you! Best Regards!
Customer Reviews
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Overall Rating
Saurabh
19752 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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