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NTM Prop Drive motors are rock-solid performance outrunners with tight windings, quality bearings, correctly rated magnets, balanced stator and flux rings plus they are QC checked at 14 points, from material processing all the way through to final dyno test.
Because we design and build these motors completely in-house (from 3D/2D drawing to materials sourcing, machining, balancing, final assembly and dyno) we can completely control production and ensure product consistency from design right through to shipping the product to you. The removal of middle-men has meant we can drive better value to the market and retail these motors at factory(our) prices! All performance figures are real and tested on our own motor dynos. Our QC engineers check and balance each motor before shipping to the HobbyKing.com warehouse.
these motors are low quality ones: only six magnets. I've ordered 4 and two of them had problems. The first had some glue used for the magnets brushing the windings. The second had the drive shaft set too high and the seeger could not lock the motor housing and the shaft.
Just sharing. My SK DeadCat sway out of control using this motor with 3s lipo. Works best with 4s and above. Kinda disappointment tho coz ive gt more 3s batt. however motor is rock solid but bearings are not tat smooth on all.
Cheers
MartNoe
*Mohamad I've never used it on 3S and 4S is more efficient anyway. They are rock solid given you get one with good bearings. The trick is to keep the old ones that are not working and salvage the working bearings and replace the non-working bearings in the other motors.
Hello,
I want to upgrade from my setup:
4S Roxxy 2827-34 110W 10A 10"x4,7 APC
JDrones 20A ESC
1,3kg = 2,86 lg
to
HAL Hexa Camera gimbal = about 2kg = 4,4 lg
4s these motors 265W 11"4,5 EPP
Should I go with these motors or the other ones with 140W (NTM Prop Drive Series 28-30A 750kv / 140w)
?
How come all the other NTM motors have the thrust and blade sizes listed but this one does not? Can someone please post them or Hobbyking can you update this page?
I need to replace a Turnigy 28-36 750 and I specs of this one are slightly increased. I'm wondering if this would be a upgrade or down grade from the Turnigy? I was running a 10x7 slow flyer prop on the Turnigy, could I use the same with this?
*jk6672 I love this motor, the bearings are the only weakness. Get extras, if they have bad bearings replace them with bearings from other ones that have quit working. It'll be an upgrade. I swing 12x6 carbon fiber props with these and they only get slightly warm. The best part of these is they work forever, no failures unless you crash or get one with a bad bearing and they use a 4mm shaft so they are super tough.
I had one of my props on my quad break while I was hovering 20ft up. Quad came crashing down onto the street upside down. Noticed 3 out of 4 motors were very difficult to turn by hand. Took one apart and messed around with the shaft position, seemed to loosen it up back to normal but not sure... Checked another one out, noticed top bearing had exploded. Anyone know what size bearings this motor takes and where I could buy some? Thanks!
*Rene Me too, these motors are actually excellent with the exception of the bearings. They never even get hot. Oh well, I guess I'll keep looking! Thanks!
*Carlo I might be able to help a little bit. I fly a DJI F550 Hexacopter that has these and on 4S with 10"x5 degree APC props I pull about 900W constant and 1200W burst which is about 10A constant per motor to 13.34A burst. My Hexa weighs probably about 5lbs or 2.25kg, maybe 6lbs or 2.72kg. I hope that helps.
Thanks Josh. Need the noload current and internal resistance. Its for a glider and E-calc and MotoCalc can predict better the optimal configuration regarding motor/prop/prop efficiency/current etc. It’*s not only put electrical power in it and not 'burn' the combination. Efficiency of the whole combination is import too. Glider will fly at 3S 850mah at 12-14 Amps. Needs 125 –* 150 Watt. Low Kv (750). Prop efficiency at 5000 –* 6000 rpm is much better than 10.000 rpm and a smaller prop (for glider!). For a motorplane not! You need near 10.000 rpm. E-Calc (Google e-calc site:ch) has program for copters too. E-calc is free/webbased.
Excellent motors and I fly a DJI F550 Hexacopter with 10"x5 degree props and it flys excellent. Look for Helloman1976 on YouTube and you can see it fly for yourself.
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Hi everyone.
I tested this motor with my talon quad frame, kk2 board, hk blue series 30 amp esc, 10x4,5 propeller. 1250 total weight.
Flight time is absolutely 9 minutes.
http://www.hobbyking.com/hobbyking/store/u h_viewitem.asp?idproduct=19611&aff=236266
Just as a comparison, I have almost exactly the same setup except with Talon v2, turnigy plush 30 esc, 9x4.7 SF props with a 3300mah 4s (obviously these motors)and i'm getting 18 mins. Great throttle response too.
very nice video. which video cam did you use for this. By the way I forgot to write my lipo. it was 2200 mah 30 C 3s 9 minutes.My second test was 5000 mah 40 C 3s 13 minutes. Your flight time is awesome but if you use 10 X propeller it seems will be more stable.
If you notice at the beginning of the video, two of the motor is so jerky to start. The same happen to the motor regardless any position I swapped it to.
I was using 9x4.5 Prop., 3S 3000 battery, Total weight was 1250g. While voltage drop, the quad didn't have enough thrust and just landed at the end of the video. hope this is help : ) I am getting 10x4.7 prop and 4S battery for it
I have 6 on a home hexacopter ,i use 20,4 amp in hover on it. he is 2.3 kg havy .and full trottle i have 60.1 amp on it ... all with 3S 5000MAH zippy compact..and a KK2.0 board on it..
the prop is a graupner 11 x 5:
https://www.youtube.com/watch?v=SJ8GvGFB01Y
gr vosje
I run a lot of this motors on different quads with the Turnigy plush 25A, thats spare enough as they run cool with 10/4.7 and also with 12/3 but my quad flyes better with the 10/4.7 APC.
It will work, but it is not the best choice for such a big frame. It has a bit low KV therefore, so I suggest motors with 1000KV and some more watts fü*r the big 666.
I use the 525 Frame. It works very well but with this motors it is a bit Amp-hungry. with a 4S/5000 I get 6 min. of flight, 7 if I be carefull and fly smoth. with 5A Lipo you could go longer time with other motor. I tried 12" prop instead of 10" with lower pitch because someone told me thats more efficient, but I get exactly the same time with worse behavior of the frame. So I went back to the 10" prop. For Your 666-Frame I think 12/2" Prop could be a good choice, but have to try as I do not know the behavior and the weight of your quad.
sorry in advance for this noob question.. I just bought this motor a 20A ESC. just wanted to test it without buying Tx/Rx. after digging a little in the internet i found that it might be accomplished by using a servo tester. is it duable for this kind of motor and ESC? what kind of servo test do I need for this one?
Thanks!
I wondered, that this motor use only six magnets. The most other typical Multicopter Motors uses 12 Magnets (14poles). It is better if the motor uses more magnets to adjust speed very fast? And what is the correct ecs timing for this motor. I use the 30 amp turnigy plush ecs. I fly an Hexacopter with an Wookong M Board, but it is not staple enough. Maybe I must raises the gain setting for faster adjust. I use an 4s 5000 Accu. My Hexa completely weights 3 kg. Thanks for help. Chris
If you are talking about the Skywalker X-8 then it will not be enough power,400 watts is recommended as minimum power and this motor can only manage 265 watts max.
With a 13/6" Prop this motor will get to hot. On 4S with 10/4,7 or 12/3 it is at the temp-limit that is healthy. Don´*t use it with 13"6 as you will bother the motor. 10/4,7 APC is a good choice for this motor on 3 and on 4S. With 8 Motors and a 4S/5000 you can expect about 5 mins of flight I think. I get 6 to 7 mins on a quad which needs higher percentage of throttle opening than a standard octo. So it is not half the time than with motors but a bit more due to lower throttle required. The 1000KV motor will work better on this.
I purchased 6 of these motors for my quad (2 as a spare) and 4 of 6 are a garbage. They vibrate, are unbalanced and very loud compared to those 2 good ones.
2 of them even had some obstruction inside that was causing friction so I had to open them and clean the glue/epoxy.
Every each one has a different "feel" and "sound" and also different cogging - when I spin them with my hand some are easy to turn and some feel like they have a lot of magnetic resistance.
One of those motors even has 10pcnt lower rpm than the others when I measured.
They might be ok for a plane, but not for a quadcopter where you need 4 well balanced motors. I love HK but for my quad I will have to buy better quality motors, probably a tiger motors.
Ordered 7 for a hex a ended up putting them in a quad
one too unbalanced to mount
one has a stuck bearing after a few handheld flights of 60 seconds
two more have questionable balance
two seem flawless so far,
not a good deal in my opinion
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Very nice Monster´s. Working perfect with 11x4.5 on a selfmade 2 kg Quad with 4S 4000mAh. Airtime 11-15minutes.
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