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> Electric Motors > TURNIGY
> Electric Motors > TURNIGY XP
> Electric Motors > Outrunners by size > 28 to 34mm

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Turnigy D2836/8 1100KV Brushless Outrunner Motor

Turnigy D2836/8 1100KV Brushless Outrunner Motor

Turnigy D2836/8 1100KV Brushless Outrunner Motor

Spec.
Battery: 2~4 Cell /7.4~14.8V
RPM: 1100kv
Max current: 18A
No load current: 1A
Max power: 336W
Internal resistance: 0.107 ohm
Weight: 70g (including connectors)
Diameter of shaft: 4mm
Dimensions: 28x36m
Prop size: 7.4V/11x7 14.85V/7x3
Max thrust: 1130g


PRODUCT ID: D2217-8-1100

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Kv(rpm/v) 1100
Weight (g) 70
Max Current(A) 18
Resistance(mh) 0
Max Voltage(V) 15
Power(W) 336
Shaft A (mm) 4
Length B (mm) 30
Diameter C (mm) 28
Can Length (mm) 19
Total Length E (mm) 49
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Weight: 112g
Quantity: 
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stock
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Price  $13.20

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 Customer rated
598
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Total of 571 discussions.
Tanup  4 points - 5/23/2015
 
I think the max amp rating, given as 18 amp, is not a typo error. maybe it does not mean the maximum this motor will draw is 18 (draws into mid 20s) , but it means 18 amp is the limit of current you can safely draw without the motor overheating. somebody below said compared to static bench test, when the model moves in the air amp draw goes down even with same prop. can anyone suggest by how much it goes down....
 ElectricAussie 4301 points
Hi Tanup, I regularly run this motor at well over 20A-22A and it never gets more than barely warm. The 336W rating means the motor has to draw more than 18A. Even on a 4S LiPo you have to draw 21A to get 336W from the motor. On a 3S LiPo the current draw os even higher. Pull up the motor instructions from the Files tab below and you'll see that the same 18A max current figure is applied to a much lower watt version of this motor. HK just plugged in the wrong number and never corrected the error. Cheers, EA!
 ElectricAussie 4301 points
Hi Tanup, I just pulled up the motor instruction file and they don't list the amps for the different versions of the motor, but the recommended ESC for all the versions is 40A which is certainly much higher than the 18A max shown above. If you pull up the prop test data from the Files tab you'll see that the watts don't approach the 300W mark until the amps are well above 20A. Cheers, EA!
BEST ANSWER CREDIT AWARDED
 Tanup 4 points
Ok. Now I think I understand. Thanks. What about my other question, how much of difference is there in current draw between static test and model flying in air with same motor, battery, prop combo. Any idea?
 ElectricAussie 4301 points
Hi Tanup, Thanks for the credit. Regarding the static current vs. the flying current, I don't have any data from actual measurements, but my best guess is the difference is probably 10-20 percent less current draw in the air vs. on the bench with the same prop/LiPo/ESC set-up on the plane. Think of the motor/prop as being mounted to the end of a spring. If the other end of the spring is attached to the wall (like a static bench test) the motor/prop will stretch the spring until the thrust of the motor equals the tension in the spring. If the same motor/prop/spring is attached to a weight that is less than the max thrust of the motor/prop, similar to how a plane exerts drag on the motor/prop. The weight will begin to move with the motor/prop before the spring extends as far as it did in the static test. The motor is always trying to stretch the spring, but the weight always moves with the motor, so the spring never stretches quite as far as it did in the static test. This is the "unloading" effect that people talk about when the plane is flying vs. a static bench test. The higher the power/weight (and drag) ratio of the motor/plane is the higher the percentage of unloading will be. Hope that helps. Cheers, EA!
 Tanup 4 points
Thanks man, thats an awesome explanation. So The amount of unloading will be equal to the energy that was wasted in producing that extra tension in the spring in the static test , its clear now :)
 ElectricAussie 4301 points
Now you've got it! Cheers, EA!
Tanup  4 points - 5/21/2015
 
I jus put 9*6 sf prop on this motor with 30A esc, 3cell lipo. Mounted on my foamie, well secured, and ran static test in my garage. After 30 seconds at about 80 percent throttle, motor hot, almost too hot to touch. Discussion below indicates 10*4.7 is safe for hard flying with this motor, so why such heating with 9*6 which has less prop load. Will my combo 9*6 sf prop, 3 cell lipo, and 30A esc be safe ? Don't want to damage the motor
 yuems 20 points
Actually second number of a prop means how many inches it takes for one spin. So 9x6 has way more load then 10x4.7 if you keep using 9x6 you will burn the motor.. First number is just a prop's size. But it effects motor's torque... For more efficiency, Bigger kv, smaller prop. Smaller kv, bigger prop.
 Tanup 4 points
Did some reading up on the net. Both diameter increase n pitch increase will increase prop load n draw more current. But everywhere I find peopl saying that increase in prop diameter with same pitch causes more increase in prop load per unit increase than increasing pitch with same diameter. So shouldn't 9×*6 have less load than 10×*4.7? Confused
 yuems 20 points
trust me i'm a mechanical engineer. diameter affects only moment of the motor, pitch affects friction which cause much more energy lose(heat). MOMENT=9550xPOWER/RPM so power=constant(same motor), lower your rpm means increasing your torque(moment) and that means the motor can handle bigger diameter props, motor has 1100kv which is low. But Increasing pitch with smaller diameter loads less moment yes but it will add extra friction that cause heat. We don't love heat. You just experienced it by yourself.
BEST ANSWER CREDIT AWARDED
 Tanup 4 points
Thanks !
Aaron  4 points - 5/13/2015
 
could i use this with a 3cell 30c 40c burst lipo with 10 x6 props?
 Mik C 381 points
Yes but the motor on full throttle will draw max amps.Its better with 10x5 props
BEST ANSWER CREDIT AWARDED
 yuems 20 points
I am using 11x4.8 SF prop with this motor I recommend this prop and 45A esc with 25C 2200mah lipo. my 950g homemade plane can fly vertically with 3/4 throtte. you can calculate how many amps can a battery give from C x mah. for example 25C 2200 mah battery can give 2200x25=55000mah=55A/h.
 Mik C 381 points
Thank you
Riotnuts  794 points - 5/12/2015
 
think the motor can handle 12 x 4.5 prop on 14.8v 45c lipo or what prop you recommend for longer flight
 Riotnuts 794 points
will it be a overloading the motor given a nice 30a(40 burst) Esc
 Riotnuts 794 points
and the ship is x930
John  3 points - 5/10/2015
 
Thanks for the info. Now that I know what I'm looking at I may get the HK-010 at $19. Thanks Again
 ElectricAussie 4301 points
Hi John, The HK-010 is a great choice. That's the one I use and I've been really happy with it. I did a calibration comparison against my Fluke digital multimeter and the HK-010 was accurate to w/in 1%-2%, which is pretty good for an economy rig. Cheers, EA!
Customer Reviews
Overall Rating
hugh848
20 likes
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Received this yesterday, very happy. Install on 48.5 in decathlon, 10X 4.7 prop, 40 a ESC. Plane does all I want for now, until I get more proficient. HK has never let me down!


8 comments. Reply..

Overall Rating
xIBIZAx
6 likes
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Hy 40 A ESC ??? But the Max Current (A) is 18 A I use 20 A Hobbyking ESC is it ok to run the engine with my quadrocopter? Thx and sorry for my bad english


39 comments. Reply..

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Overall Rating
semm_de
22 likes
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Motor für zwei im Bau befindliche fliegenden Menschen.


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Overall Rating
Samo Cankar
418 likes
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Well made strong brushless motor and aslo very cheap for their size...

It will power my 1150mm wingspan two wing 3D plane, made from Depron, in combination with 3S 2200mAh lipo, 40A esc and 11x4.7 prop.



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chrismog
24 likes
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I have purchased 6 of these for a modified hexacopter. What I would like to clarify is the size of the bullet connectors as I can find no reference to their size. Thanks in anticipation. Chris


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