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HobbyKing Ultra Micro Servo 1.7g for 3D Flight (Left)
A light weight linear servo with inbuilt controller for 1S powered applications. Fast response and a high torque motor make this a good servo for Indoor 3D flight or micro parkflyers where weight is of the utmost importance.
I bought several of these,for use on ailerons,both left&right thinking the L&R would have opposite movement not just be a mirror image of each other.I should know by now about making assumptions.
Question is can you reverse the servos movement by reversing
pos&neg wires of servo's Rx lead.
To you the receiver with micro connection is necessary to radio.
You can find it in "Radios & Receivers" section.
For example э*т*о*т*OrangeRx R415 Spektrum DSM2 Compatible 4Ch Micro. Or this 2.4Ghz SuperMicro Systems - Receiver and ESC All-in-one (5ch)
All analog servo meet the same standard of control signal. So, if other analog servo work good with your RX/TX system, all will be good. Of course You should to check pinout of servo cord to meet your receiver.
Yes works with HK104RX-S directly, but for the spectrum sub micro ones, you need to reconfigure the pins to Black, Red, White, the default on these micro servos have Red, Black, White. which works on the HK104RX-S directly without modification. The nodification if needed is simple too, lift the plastic tab thingy a little and pull the wire out. Reinsert and your done.
Will these work ok with 5 volts? Also, I plan on using the OrangeRx R415 $pektrum DSM2 Compatible 4Ch Micro 2.4Ghz Receiver, TURNIGY Plush 6A /.8bec/6g Speed Controller, and hexTronik 5gram Brushless Outrunner 2000kv
Will all of this stuff be compatible with each other and 4 of these servos?
Thanks!
so today i tested this servo first time ... i use a 20 A ESC a 2300kv motor 2 8,4g servos and a 3s1p 1000mAh lipo ... the servo done his job very well ... i think when you use this servo with an ESC between the battery and the Rx it should be work fine ...
ps: i buy this motor (the hexTronik 5g 2000kv) too.
These are ultra micro servos so they run on single cell power. I've had ultra micro servos run at 5v through a battery eliminator circuit and had overheated.... So limit it to single cell applications 2.8 - 4.2 volts....
if you are wanting to run these with a esc that puts out 5v you will need to put a 1n400x diode in the positive wire that goes from the esc to the rx. the diode will knock the voltage down low enough for the servo to operate safely
Hello. Im using this for rudder and elevator and for ailerons i used nonlinear 1.7g HK-5320. But if you want to, you can use transmiter mix or simply join the cables together to one conector. If this was helpfull, dont forget to mark me. Thanks.
i used them for elevator and rudder and for ailerons i tried them two different ways. one was i used a single servo and had a bell crank work both ailerons and the other i just cut the connector off both leaving about a 1 inch led on the connector side. i then soldered the servos leads together along with soldering one of the connectors to the leads.
Yes, it works. I did it BUT you have to change the connectors. The problem is the location of the " " positive connector. Take care !!! Also use only 1 cell li-po !!!
This is not very fast movement for info.
Pay attention to the order of wires if are using AR6300/AR6400. HK Ultra Micro Servo is S/ /- and micro receivers are S/-/ Positive and Negative position are reversed to a regular JR connector.
I bought 6 of these from HK and use them on two MICRO J3 indoor profile ARF (everything in both my setups has been bought from HK:)
Set1: Default micro j3 brushed motor esc Assan 2.4 GHZ 4 Ch Micro 2.6 grams rx (with micro jst plugs, the ones on the servo fit this receiver without any problem/changes) 138 mah TGY 1s lipo 2 linera servos Weight : 18.6 grams total!
Setup 2 :
Replaced GPS6 and brushed esc with AP 03 4000KV 3.1 grams outrunner (DD) and TGY 3A ESC Same battery two add
Its not identical. The mounting footprint of the HK servo is a little smaller and it will not precisely fit onto the mcpx. Also the servo travel is a little bit shorter, and the connectors are not identical. It may be able to be adapted, but its not a drop in replacement...
Yes similar, infact the same size, may not be same. We cant say of the programming difference on the eflite and these servos but on edifference is for sure : these are stand alone servos and eflite ones are on the 5 in one control unit. I ahev both, there is no visible difference in the motor size.
Theres an Assan X8 r4 2.8 gms 4 channel receiver on HK for this. You can shed another .4 gms if you get rid of the heat shrink. Heres the link www.link
These servos will plug right into Fly Dream RC's 1.1g micro receiver. You'll need to get their transmitter module or transmitter, but it is pretty cheap as a set (~$60).
These servos do not work with the parkzone UM brick. The connector is too big and two pins need to be removed and repositioned.
I bought two and burned out both of them trying to get them to work using a PZ UM brick.
I drive this servos on 5 V source. No Problem until now. I cut the micr JST and reworked them by an MASSIV Plug! :-)
* all: please come back with your experiences concerning 5 V source. Any defects, or faults?
I like this servos. They do a great job at my Micro Warbirds aileron.
i used the same servo in a similar plane cox micro corsair, i used a diode in series to make life easier for the servos. i found them slow also i thought their direction of travel would be opposite but it was not. this made my installation a bit hard and messy.
fits these mini jst servo plugs to the Corona Synthesized Receiver 4Ch 35Mhz?:http://www.hobbyking.com/hobbyking/store/uh_v iewItem.asp?idProduct=5785
Regards Wes.
With a plug swap, these servos will work with any receiver. However, if you don't want to have to make the connector swap, you can get Fly Dream RC's 1.1g receiver. You'll need to get their module or transmitter though.
I am confused regarding polarity of wires. Is it: Red: negative Black: positive White: signal I have to change the connector and I want to make sure I hook it up correctly.
No it does not fit either the 6300 or 6400. It is rated for 1S and probably wouldn't last long on 2S. The connector fits Plantraco. Bob Selman (BSM) sells the connector for AR6400 for $3.
One additional comment. The picture on BSM's web site shows the positive and negative polarity backwards. You may have to cross your color wires black to red and red to black.
The connector used is the Futaba Micro Connector. It will fit the Futaba Micro 4ch and 6ch receivers. It will not fit the $pektrum receivers without a connector swap.
If you need to reduce the voltage to the servo, just put a diode in the red wire with the band end towards the servo and the plain end closer to the connector. When current flows through a silicon diode, it loses 0.7 Volts as it passes through. You can even connect two diodes in series to drop about 1.4 Volts. Your BEC is probably putting out 4.8 or 5 Volts, so one diode will do it.
1705/2010 Tested servo with a 3.5v supply through a Turnigy Servo Tester. Servo travel is about 5.3mm-5.4mm. Servo is very fast on this voltage. The arm moves as fast as the knob can be tuned back and forth. No jittering at midpoint on my servo. Feels strong but will wait until it's in the model to see if it's strong enough. Sorry no actual weight. Polarity is posplus in center but can easily be swapped. I'm impressed. Keep it up HK!!
3 comments. Reply..
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Krist
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I bought 2 of them. one is working perfect, other one moves very strange. In one direction goes fast like first one, on other direction it goes little slower and servo shakes very badly . Weight of servos is 1,8g including connector, without connector it has 1,7g like data written on HK page. Centering of servo is great, and it hold position with no problem. Can't wait to put them on rocket glider. Regards, Kristjan C.
1 comment. Reply..
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alyas
-24 likes
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Very nice little servo small than appear in the picture, held it in my palm and it seemed like it doesn't weigh any thing at all love it the wire isn't curly as shown in the picture, absolutely love it..five star:)
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carpetflyer
15 likes
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The connectors of these servos are Molex Picoblades. They perfectly fit into 4in1 receivers of Walkera micro helis like 4#3b. To fit into spektrum AR6300 you need to replace the picoblades with JST ZH series connectors.
7 comments. Reply..
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Hvoss
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Why on earth does the poloarity order on the connectors change nowadays all the time? For 20year, i've never had aproblems as things kept the same. Now, first I burned an Assan receiver as the order changed, for these micro JST connectors, but at least the 2.5g HK servos had the same ordering. Now, thinking I had learned how things are with these micor JST, I connected this nice servo to my Assan reciever, just to see smokes. Reversed AGAIN! :(
8 comments. Reply..
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A great little servo! I have found plenty of micro linear servos in China lately, most are complete junk. However this servo is strong, reliable and cheap. There's really no way to beat this little guy. It's my favourite linear micro servo, by far! 5 Stars!
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