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Great little $20 brushless Turnigy C2830 1050kv

Old 06-04-2008, 06:22 AM
  #26  
CHELLIE
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Originally Posted by telemaster View Post
Chellie, you beast! Do you know how many amps you're pulling, and is that an 11x4.7 apc E, sf, or gws prop?
Thanks
its a SF prop yes its about 20+ amps Avoid constant WOT The SF props will flaten out before the motor Smokes Ok just kidding ,to be safe I am proping down to a 10x4.7, Chellie

Last edited by CHELLIE; 06-04-2008 at 07:17 AM.
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Old 06-04-2008, 06:26 AM
  #27  
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um.... I tested a 28x30x1050kv with a apc 9x4.7sf prop on a 800mah 3cell loongmax, I got 12 amps, but testing it on my 2250 Loongmax I got 16amps...both batterys were fully charged... So ... I really don't know what to make of the specs... either the 2250's hold Voltage well, or 800s sag voltage quite a bit...?
SK
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Old 06-04-2008, 06:37 AM
  #28  
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Originally Posted by CHELLIE View Post
you can use the 11x4.7 prop with a 3 cell too, thats what I use on my Slow Stick, and I dont need very much throttle either, it just leaps into the air, you wont be able to fly WOT anyway, its to fast for the SS
Daniel Did that with 2 of our motors got about 2 flights out of each of them, He burned them both up... I Shouldn't have let him prop that high... Got like 6 more... So I'm Ok...lol
SK
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Old 06-04-2008, 07:11 AM
  #29  
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Originally Posted by ministeve2003 View Post
Daniel Did that with 2 of our motors got about 2 flights out of each of them, He burned them both up... I Shouldn't have let him prop that high... Got like 6 more... So I'm Ok...lol
SK
Thats good to know, Ok I will prop down a little
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Old 06-04-2008, 07:30 AM
  #30  
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Originally Posted by aero_k View Post
I just bought 3 of these motors. I'm looking forward to trying them. Can anyone suggest good prop combinations for both 2s and 3s for this motor? I don't have a wattmeter (shame on me) so I'm not too sure what I should use. First application is on my Rythym 3D bipe from hobby people, I think its about 10oz.

Thanks!
Hi Aero K I tend to over prop my motors but look at the Hobby City web page, there is a lot of good info on prop selection from people that have bought this motor for different planes,

28-30-azj 14A 1100Kv Brushless
Peter Niggemann
A very nice motor. You should note that the shaft is soft so it can be easily clipped short and a propsaver installed. Mine now weighs in at 53g.

I have flown this on a Accel Pitts 28 3D Biplane with a 9x4.7SF prop and a 1300mAh lipo. It climbs vertical.

I ran some watt/speed/thrust testing with the black Slowfly props found here.

Prop |Volts| Amps| RPM | Thrust
None 12.3V 1.1A 13540rpm
7x5 11.4V 6.8A 10971rpm 430g
8x3.8 11.0V 10.5A 9346rpm 625g
9x4.7 10.7V 12.2A 8574rpm 730g
9x6 10.7V 17.0A 7171rpm 380g
10x3.8 10.4V 16.0A 6717rpm 850g

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HXT 28-30-azj 14A 1100Kv
Rok Golob
This motor has a very good performance. Im using it in a F4U Corsair with 9x5 prop.
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HXT 28-30-azj 14A 1100Kv Brush
Benny Mygrant
This thing is a monster. I put it on my Great Planes flatout Cap580, with a 9x4.5APC and a Loong Max 3-cell lipo 1000mah and it goes like a rocket! Totally unlimited vertical performance and flight times of 15min without missing a beat. I bought 2 but wish I'ld bought 5!
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Good for outdoor shockies
R. Esveldt
I run this motor on 3s with a 9x4,7 prop. On this combination I can just hover my 450g outdoor 3D plane at about 80% throttle. It spins smoothly. After a recent crash the shaft was bent, but that's was entirely my own fault. I am putting this motor back on.
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1100Kv Brushless Outrunner
Philip Madrona
Great performing motor!
I installed this on my Ultrafly P51 Mustang using a 10x7 APC prop...talk about speed, I have transferred to a much bigger field after that.
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hexTronik HXT2830C 14A 1140Kv
Roy salvesen
I have 2 of these in my Robbe Airliner, that was originally delivered with 2 speed 400 motors, but would not run, now it runs so smoooth with these 2 elegant motors
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hexTronik HXT28-30C 14A 1140Kv
Chen Green
great product i run it on my mini ultra stick with hexTronik 2200mah battery and 10X4 prop
runs for 20 minuts with no problem
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Very Nice one
MENG YING LEE
This motor has a very good finishing and very good performance. I´m using it in a GWS ME109 with 9x5 prop. Much better than TP2408 that I was using before. highly recommended.
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HXT 28-30-azj 14A 1100Kv
Mitja Lazar
Excellent with 9X47 and 2 cell li-po on my new 320g slow flyer.
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This motor is a gem
Ray
Excellent pull with a 10x6, I've purchased 3 of them. Powers my 3d planes like no other.
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hxt motor
i have received this motor and installed it on a 650gr foamy biplane.
It is very powerfull with a 9*6 propeller and a 3s lipo battery.

Very nice and cheap product
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TURNIGY 28-30-azj
Greg Jackson
This is a sweetheart of a motor!!
I use a gws 970 prop 1250 3s lipo on my gws corsair I get unlimited vertical!!
run times are about 14 min with a lot of full throttle..
The plane flys nice at half throttle and only draws 12 amps at full power!
after 10 mins of hard flying the motor and battery are only just warm!!
I have just orderd 2 more!
Greg
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Lots Of Power
ILIANA R
Wow nice little motor, I replaced the 2410-09 tp motor in a SS with the turnigy 28-30 and a 11x4.7 sf prop, and it feels like it has almost twice the power now, I like it, great price too, I will be ordering 2 more motors now that I tried it.
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Cheap and excellent motor!
Alfonso Merchante
Bought on of those and installed it in my minimag, with a 7x6 prop and a 3S lipo (2100mAh) runs on around 10A and gives a pleasant and relaxing flying, with enough power to climb at good rate. With an APC 8x6 prop and same battery runs around 15A, which I consider is the limit for this motor, and gives much more power! I would rate it as a 6 stars, considering the bargaing price!
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good motor
Serban Popescu
spins a 9x6 APC on my 16oz plane like there's no tomorrow. Barely gets warm.

Good combination of current rating and KV.
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HXT 28-30C
Zlatko Duric
I've just received my first order from united hobbies. This motor was among them. I am only too satisfied with it, it runs great on my (also hxt) 1700mAh lipo.
At the moment, it spins 10x8. Bit of an overkill maybe, but it spins.
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this motor productive
mepi
i used 1.25mt. park flayer with 2200 20C lipo, 25 amp. esc, perfect performance.
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Nice little motors
Dave Fetters
Excellent little motors. I picked up two. I'm using one on a GP Seawind.
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turnigy 2830
Pat McGuire
Great perfomance for the value. Pulled the slow stick with ease. The best cdrom type motor around.
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great little motor
doug gough
great little motor built with the same quality as all the turnigy ranges of motors
im using this as an upgrade in a GWS zero
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Cool motor
Luka Peternel
Motor works fine on depron 3d model. With 3S1P LoongMax 800mAh and 9x4.7 prop pulls 12A at full throtle.
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Very Good
Andr Morello Alves
Very good Brushless, I try it with a 10x6 and 9x5 propeller and ran very good in my airplane with 650g.
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GREAT MOTOR
ALEX BAKALIS
great motor and very strong.Excellent product and low price!
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turnigy 28-30
BESNIER REGiS
very powerful engine i use it with a 9X 4.5 and my BPLR REFLEX is stock to the cloud.
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Turnigy motor
Manuel Jesus Alvarez Nieto
Great motor, installed in a flying wing of 1.20 meters can exceeded with her and it has left much manoeuvre margin
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Turnigy 28-30-azj 1100Kv outru
John Macleod
Nice and smooth running. Very happy with an 8x6 APC style prop the motor doesn't even get warm. Draws 6.5amps on 2S lipo and 10.5 amps on 3S lipo with this prop. Could go to 9x6 without straining the friendship. Heaps of power for the average foamy.
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Super Motor
Bororin
Este motor es un demonio!!! Excelente producto... Excelente precio! Que mas se puede pedir! Todavia lo uso y lo compre en el 2007. Lo uso en un 3D SPAD y cuando lo monte en un Slow Stick hacia lo que me daba la gana con el avion
-
This motor is the devil!!! Excellent product... At an excelent price.. What else can you ask for. I still use it, I bought it in 2007!avionUse it in a 3D SPAD
And when mounted in a slow stick I could do anything with it!
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hxt2830c
fabrizio perino
excellent product give a lot of power
at a very low price
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Old 06-04-2008, 07:43 AM
  #31  
marchino61
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Default How many C?

Originally Posted by ministeve2003 View Post
um.... I tested a 28x30x1050kv with a apc 9x4.7sf prop on a 800mah 3cell loongmax, I got 12 amps, but testing it on my 2250 Loongmax I got 16amps...both batterys were fully charged... So ... I really don't know what to make of the specs... either the 2250's hold Voltage well, or 800s sag voltage quite a bit...?
SK
Steve

What are the maximum current ratings of your Loong Max batteries?

16A represents about 7C for the 2250mAh battery, but would be 20C for the smaller battery - perhaps it is not rated to supply that much current? (Especially bearing in mind that battery manufacturers tend to be optimistic with their current ratings).

Regards
Mark
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Old 06-04-2008, 08:10 AM
  #32  
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Originally Posted by ministeve2003 View Post
um.... I tested a 28x30x1050kv with a apc 9x4.7sf prop on a 800mah 3cell loongmax, I got 12 amps, but testing it on my 2250 Loongmax I got 16amps...both batterys were fully charged... So ... I really don't know what to make of the specs... either the 2250's hold Voltage well, or 800s sag voltage quite a bit...?
SK
I think your right Steve, the 800mah lipo cant hold and deliver the voltage and amps the way a 2250mah lipo can under a draw, Take care, Chellie
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Old 06-04-2008, 06:42 PM
  #33  
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both batterys were rated 20c, that means the 800 is rated 16amps and the 2250 is rated 44amps... Not that I expect to get that performance out of $10-$20 batterys...lol (I've pushed the 2250's to 35amps...)
I get about 700mah out of the 800 packs, so 20c of that would be more like 14amps... I'll be trying some 1000mah 20c zippy packs when they come in... hopefully I can find something light for my great planes Yak55 and still allow the 16amp pull...
SK
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Old 06-04-2008, 07:03 PM
  #34  
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Thanks for the info. Looks like 9x4.7 will do the trick nicely on 3s.
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Old 06-05-2008, 01:51 AM
  #35  
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Originally Posted by aero_k View Post
Thanks for the info. Looks like 9x4.7 will do the trick nicely on 3s.
Are you going to use sloflyer or E prop?
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Old 06-05-2008, 03:57 AM
  #36  
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I was Using SF Prop For My tests...
SK
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Old 06-05-2008, 04:09 PM
  #37  
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I just checked what props I have and I'll probably go with a 10x4.7 SF. Is 1047 too much prop on 3s for this motor?
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Old 06-05-2008, 07:46 PM
  #38  
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Daniel burned one out with 10x47, but he was powering it with a 2250 3cell, so it prob was around 20amps... and he doesn't know that throttle doesn't just have on/off...so it was full thottle 95% for 2 back to back flights... no cooling off time and I think the grub screw wasn't tightened down good...

what application are you going to use it in... if its 3d, use 9x3.8sf and see if you need more power, then go 10x3.8 and don't use full throttle all the time...
SK
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Old 06-05-2008, 07:46 PM
  #39  
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Originally Posted by aero_k View Post
I just checked what props I have and I'll probably go with a 10x4.7 SF. Is 1047 too much prop on 3s for this motor?
Should be fine as long as you're not at WOT all the time. Probably around 14-15 amps.
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Old 06-05-2008, 08:56 PM
  #40  
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I'm using it in a light 3d plane (hobby people Rhythm 3d bipe). I don't really want to go out and buy a new prop. Right now i have a few 10x4.7, 8x6 and a 9x7 I think. I'll probably fly on 2s with the 1047 and get decent performace out of it, but I was just wondering if it could handle 3s. On 3s, I dont think I'm going to need much throttle, this plane its pretty light, so it should be okay, I'll juts take it easy. Thanks for the help
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Old 06-05-2008, 09:00 PM
  #41  
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I'm Using it on a nitroplanes balsa Minigirl with a 8x3.8 prop and had decent power, on that light plane anything should do...
SK
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Old 06-06-2008, 05:25 AM
  #42  
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Originally Posted by aero_k View Post
I'm using it in a light 3d plane (hobby people Rhythm 3d bipe). I don't really want to go out and buy a new prop. Right now i have a few 10x4.7, 8x6 and a 9x7 I think. I'll probably fly on 2s with the 1047 and get decent performace out of it, but I was just wondering if it could handle 3s. On 3s, I dont think I'm going to need much throttle, this plane its pretty light, so it should be okay, I'll juts take it easy. Thanks for the help
Hi Aero k just avoid constant WOT with the 10x4.7 and you will be fine I have been using a 11x4.7 and have had no problems, but i dont fly WOT on a SS, it will tear off the wing Take care and have fun, Chellie
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Old 06-10-2008, 06:15 AM
  #43  
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Well I finally got my 28-30 motor today and it looks great! Pulls 10amps with a 3s 1000mah lipo and 9x4.7sf prop.
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Old 06-10-2008, 05:26 PM
  #44  
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what C rated battery are you using, mine pulls 12amps on apc 9x4.7sf with 800mah 3cell pack, and 16 with 2250 3cell... (the 2250 Holds Voltage the better)
SK
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Old 06-10-2008, 06:44 PM
  #45  
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I'm using a 20c battery, and it holds >11 volts under load, so the battery is good. The difference in amp draw we're seeing is probably due to the fact that I'm at 5000' above sea level
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Old 06-10-2008, 07:06 PM
  #46  
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hmm... I thought the higher it was the harder it had to work? maybe thinner air is easyier for it to turn rpms... Sounds possible....
SK
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Old 06-11-2008, 01:02 AM
  #47  
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motors draw less current with the same setup at altitude because of the lower air density-the lower you go the more amps you draw on the same setup
Also, 16 amps seems really high for a 9x4.7sf. Do you know the voltage you battery holds at this level, and do you have any rpm data?
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Old 06-11-2008, 01:17 AM
  #48  
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I'll check it again later, but I do Know it was a 25c 2250mah Loongmax 3cell battery, freshly charged at 4.2 volts per cell...
SK
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Old 06-24-2008, 07:58 AM
  #49  
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what is the diameter of the shaft on TURNIGY 28-30-azj? I'm guessing 3mm? I'm looking for a suitable prop saver.
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Old 06-24-2008, 09:16 AM
  #50  
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Originally Posted by Jarsalla View Post
what is the diameter of the shaft on TURNIGY 28-30-azj? I'm guessing 3mm? I'm looking for a suitable prop saver.
Its 3.17mm , that what I use on my tower pro motors, and The turnigy Bell motor takes the same size nuts on the shaft that my tower pro motors use, Take care, Chellie

http://www.hobbycity.com/hobbycity/s...pter_&_3_bands
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