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HK15178 Analog Servo 10g / 1.4kg / 0.09s

HK15178 Analog Servo 10g / 1.4kg / 0.09s
HK15178 Analog Servo 10g / 1.4kg / 0.09s

Don't let the price fool you. This is a decent analog servo and the colour is, well, different.
No longer will you goose step to the blue or black servo crowd, get a HobbyKing HK15178!


Spec:
Torque: 1.2kg/cm @ 4.8v, 1.4kg/cm @ 6v
Weight: 10g
Speed: 0.10/60deg @ 4.8v, 0.09/60deg @ 6v
Voltage: 4.8v~6v
Plug: JR

 

 


PRODUCT ID: HK15178

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Weight (g) 10
Torque (kg) 1.4
Speed (Sec/60deg) 0.09
A(mm) 30
B(mm) 23
C(mm) 27
D(mm) 12
E(mm) 32
F(mm) 17
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Customer Data

Weight: 19g Quantity: 
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Price$2.29


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 Customer rated
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Total of 103 discussions.
K-Note72  86 points - 1/30/2014
 
I didn't buy these directly but they were the servos for the rudder and elevator in my Bixler 2. One of these caused my Bixler to crash! I was doing onboard recording of some stunts, and I was in the middle of a spiral when my plane decided to stop spiraling which made me crash. Post-crash investigation, all servos working except the elevator servo which wouldn't maintain input (with elevator stick held back 100% on radio servos would glitch on and off input). Seeing as the other was for rudder which I almost never use, that's at least a 50% failure margin
 LasseK 1353 points
The elevator servo is exposed when you land, because the elevator may get a ***p that damages the servo (happened to me, was lucky to detect it early in the air on next flight and could land OK). I have actually worn out one HK15178 too (have stabilizer on my Bix so constant servo movement). In that case the ele servo moved OK when moved away from neutral both directions, but it shook like crazy when close to the neutral point (probably worn out feedback pot). Now I always check the movement of the servos before take-off (which I didn't before these incidents, bad boy). Maybe it would be better with a metal gear servo for the elevator, these servos strip easily when you hit something. After all, they cost 2 bucks, I'm amazed they work at all... So check them thoroughly before flight and don't put them on an expensive model I guess. Cheers!
labtec7  2 points - 1/2/2014
 
Is this good for flaps on Funcub 2,5 kg ?
 LasseK 1353 points
The HK15178 is slightly bigger than the Nano-S servos, so you might have to do some small adaptation work to make them fit. But in general they should work well. I use HK15178 on the flaps in my Bixler 2, has worked great for a long time. HTH
RonRC  3237 points - 11/12/2013
 
Hi all, When HK was out of the HXT900 9gr servos, I bought several of these for projects. I've been using them with no issues and they work fine on my scratch built flat foam F-22 with a 30in wingspan.
 RonRC 3237 points
Now here is some aerial video from this plane. These servos did a great job of keeping it steady too.
 RonRC 3237 points
I had to remove the above video, but re-edited it with no music. However, I did reduce the volume during flight.
Ezequiel  1 points - 11/12/2013
 
Hi guys, let me rephrase my question. Will this servo do for flaps on a bixler 2? Also, how many servo reversers do I need for flaps on that plane? Last question, which spare parts do you recommend me buying for a bixler two. Thank you.
 LasseK 1353 points
Yes, HK15178 works fine as flaps servo on the Bixler 2. You only need one servo reverser for the flaps, I use this one: SIG-REV. I have had some bad crashes, but so far have managed to glue the poor thing back together again. So I would say get some glue (e.g. Mucilage-L) and a hot glue gun, this will get you through most crashes. I have also stripped gears on a few servos and actually worn one out, so get some extra servos (the HK15178 strips the gears easily if you ***p a control surface in less controlled landings). I also got some proper hinges for the ailerons, 008-00201x10, and servo covers, OR020-00201. And don't forget servo extension cables, AM1043-15CM. HTH
Ezequiel  1 points - 11/12/2013
 
Can I use this effectivly on a bixler 2?
 Peter 2 points
Yes you can.
Customer Reviews
Overall Rating
Customer
7 likes
ValueUNRATED
QualityUNRATED
Like it?
This servo is very stressresponse and good looking becouse of it very nice colour! This is the best price!


6 comments. Reply..

Overall Rating
cryhavoc38
67 likes
ValueUNRATED
QualityUNRATED
Like it?
12 days from order to receipt and I paid the cheapest/slowest shipping, air mail non registered which was $2.99 shipping.

Received 4 of these and tested them all out.

You know what?
darn nice servos that come out to $2.64 each with shipping!

Each one was spot on 10g just as advertised.

The bag with the horns and screws weighed in at a wopping 2g and half of that was the bag.

Hooked them up to a little park futaba fasst receiver and ran these from a 5cell Nimh pack, so 6.6v for testing.

Ran the servo movement test and then the neutral test.

smooth, fast and centered perfectly well.
All four operate as smooth and quick.
Oh and each one responded to single clicks of trim.

The wire with the plug is 7 1/2 inches long and the wire seems to be very soft/flexible silicon.

If you are looking for inexpensive servo's for your foamy or small park flyer, I'd use these.

Next, I'll take one apart and have a look under the hood


6 comments. Reply..

Overall Rating
RC rabbit
32 likes
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Like it?
Verry good servo for unbeatable price. Minimal consuption is 4,9 mA , maximal is 330 mA at 5 V. For examplle HXT 900 : 6,1/300 mA. Thanks HK !


1 comment. Reply..

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Overall Rating
svoy-
56 likes
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Bought 5 pieces, despite this color as the glowing orange. to try. The price is excellent, although the color I disliked.


1 comment. Reply..

Overall Rating
wpinkham
6 likes
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Like it?
Just received my servos. I purchased 5 of them and the price including shipping was the same as purchasing 2 Hitec HS-55 feather servos. Comparing these with the HS-55 they weigh in about 2 grams more that the HS-55. The case feels tougher than the HS-55 and I think will be less likely to be crushed when screwed in. I like the orange color and will purchase more in the future. These are great servos for the flat foamies people are creating. I plan on building a flat foamy soon to give these servos a workout. These are also great for small park fliers. Expect more orders once I show these of to my friends at our RC Club. HobbyKing did great in bringing us these great servos.


2 comments. Reply..

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