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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
Update/Add my own data
Customer Data

Weight: 19g Quantity: 
United States Warehouse In Transit View Item
stock
10+
Price$2.69


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 Customer rated
55063
crowns
  
 
Total of 561 discussions.
Noob_Guy  2 points - 4/24/2014
 
These are really great servos and can handle very well.
 RC2211 298 points
yeah, really like them. smooth enough for some servo gimbals even! I was testing a new gimbal with these and just decided to leave them on.
PIPPO1000  16 points - 4/21/2014
 
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Kittikun  2 points - 4/19/2014
 
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sean  1 points - 4/14/2014
 
im looking at getting these servos since I red bad reviews on the tss-9 digital ones but would like some more information from y'all who have them already. 1.how many oz of torque is it putting out I need at least 30oz (can do with 28) 2.how long is the wire and is it a JR/Futaba connector?
 YSpecV 71 points
Hello. To answer your questions: 1. 22.2 oz. in. torque(may very depending on input voltage) 2. The plug is JR/Futaba and the wire is approx. 10 in. long. Hope this helps. Take care.
 RonRC 3264 points
Sean, according to the specs, at 1 cm from the axis, it has 1.6kg of torque which is 56.43oz. and as YSpecV said, it's just shy of 10 inches long (25mm is just shy of 1 inch). These are great little servos and I use them on aircraft that I know will be controlling larger surfaces. Hope this helps and Happy flying!
 YSpecV 71 points
Hello Ron. Are the above stats incorrect at stating 1.6 kg cm? Or is it truly 1.6 kg? Thanks.
 RonRC 3264 points
YSpecV, I've not measured the torque but I do know they are very powerful for their size. I've even used them on tricopters with great results until I would crash on the tail and strip the gears. I posted a video below with my F-22 and in that video I was gunning the throttle (50 - 60mph) and doing quick snap loops. on one occasion it tore a half moon tear around the control horn on the control surface but the servo was fine. I've stripped other servos just from this type of use, but these have held up nicely. Great little servo in my books.
 Christopher 3 points
these are excellent servos, i use them on all my planes where possible! i really do recommend them.
 madruga 112 points
HXT900 are better 9g cheaper servo, fast and strong.
 Christopher 3 points
Madruga, thats what the servo at the top of the page is.
 robert 12 points
RonRc The conversion from 13.88 to go from kg/cm to oz/in at 1.6 kg rating, the hxt900 is 22.20 ozs/in
 RonRC 3264 points
Good to know! I knew they are quite powerful for the money but never tested them to see just how much torque they produce. I would believe the rating is pretty accurate if not on the light side. All the best and Happy flying!
James  1 points - 4/10/2014
 
I just ordered some of these servos, timely for my new planes!
 RonRC 3264 points
Hi James, This Delta wing is what my last 3 HXT900 servos went on. The elevon surfaces these servos are controlling are 4x10 inches and the rudder is about 4x6 inches. They have no problems controlling this aircraft. But, I need more now.. Ha ha! So I guess it's time to order more and re-stock. All the best and Happy flying!
Customer Reviews
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Overall Rating
Saurabh
19716 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.


19 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


25 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.


3 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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