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> Electric Motors > Outrunners by size
> Electric Motors > Outrunners by size > Bell Type

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hexTronik DT750 Brushless Outrunner 750kv

hexTronik DT750 Brushless Outrunner 750kv

Looks can be deceiving. This outrunner is around twice the size of a towerpro bell motor, and swings a much larger prop. Its the motor used on some of Art-techs new plane kits, which is testiment to its durability, ease of use and quality.
The DT700 will swing an 11x4.7 SF prop nicely, to produce more than 900g of thrust.
Its great for larger GWS foamies or parkfly planes.

Spec.
Required Voltage: 11.1v
Suggested Battery Capacity: 1300mAh +
Suggested Prop: 11x3.8 or 11x4.7
Max current draw: 18A (with 11x4.7 prop)
Max thrust: 1000g+
No Load Current: 1.4A
Shaft: 4M (perfectly suited to Towerpor/GWS SF Slow Fly props)
Weight: 78g
Diameter: 41mm
Overall length: 77mm
Kv: 750rpm/v
Comes with mount as shown in Image

Test Report.
We used the DAT700 outrunner to power the an Art-tech Pitts. Run with a 1300mAh 3S1P 20C pack, 18A BESC and 1147 GWS/Towerpro prop, the Art-tech pitts ran nicely. Excellent climb rate, though not hoverable, and with 13minute flight times or more, we were very impressed.
A very efficient outrunner for slower flying models of up to .15 size.



PRODUCT ID: DT750

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Kv(rpm/v) 750
Weight (g) 78
Max Current(A) 18
Resistance(mh) 0
Max Voltage(V) 11
Power(W) 0
Shaft A (mm) 4
Length B (mm) 37
Diameter C (mm) 40
Can Length (mm) 10
Total Length E (mm) 77
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Customer Data

Weight: 79g
Quantity: 
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stock
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Price  $13.65

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 Customer rated
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Total of 374 discussions.
Thomas  1 points - 1/25/2015
 
Hi, I'm using the DT750s on my tricopter. Yesterday somehow on one motor the little circlip that secures the shaft came off. It is lost somewhere in the field. Do you know where I could get replacement circlips? (There are circlips of the same diameter (3.2 mm)here in Europe, but they are way too thick, 0.6mm. The ones used on the DT750 are about half that thickness, so quite special *)
Vasanth  10 points - 1/22/2015
 
I have a 5000 mah 4s battery and 4x30a SimonK esc's for my quadcopter. Will these work or do I need to get a different setup? I also have a 3s 2200mah battery. Thanks again!
 anikeev 1264 points
It will work on your 3S but not so long. Some people use these motors with 4S, but it's out of range (motor can work wih 2-3S) and so it's a little bit unsafe for me.
 anikeev 1264 points
Oh wait! Your 3S battery should be 35C series to give 77A that will be enough for 4 motors. If you use 20C battery it will not be enough. Anyway, refer to ESC specs - can it work with 4S?
cheycollins  24 points - 1/19/2015
 
I made the mistake of not using loctite on the two align-screws and they came of. does anyone know were i could get some replacements?
 anikeev 1264 points
You can look for replacement here: www.link should me M2x5 AFAIR, but there's no such model on HK Or you can find proper screw with different hat type. It will work with motormount but I don't recommend to do that for replacing screws that hold shaft. Hope that helps.
cmavr8  40 points - 1/13/2015
 
Has anyone measured thrust on 4S, using 9x4.7 gemfans? What about 10x4.7? Thanks
Turányi  1 points - 1/12/2015
 
Is this motor works with three bladed 8x4.7 prop?
Customer Reviews
Review Blogs for this item
HexTronic DT750 in the test bench
Jan A
Overall Rating
DAVID M NORTH
likes
ValueUNRATED
QualityUNRATED
50 thumbs up!
Because of the price and reasonably accurate description, I'll give it five stars. Modest 8mm (!) bearing tube and bearings don't sound all that great, but the power efficiency is pretty darn good if you can carry the nearly 3oz weight.

For example, a 10x4.7 APC SF plus TP 1320 3S produced about 34oz thrust using 13.96 amps. Both Drive Calculator and Badcock's web page put this as 84-86pcnt efficient. 11x4.7 APC Sf produced over 40oz thrust for a bit over 17 amps. That's still very good efficiency!

Again, if the weight and 4mm screw shaft don't scare you, it will definitely pump out the stuff even if it sounds a bit like a coffee grinder. Added bonus: very nice motor mount that will work great with your MicroDan.


9 comments. Reply..

Overall Rating
Sascha Fritz
likes
ValueUNRATED
QualityUNRATED
27 thumbs up!
This are the results of my test, measured with my eagel tree:

11 x 7 GWS HD (not the slowfly version)
peak: about 13.5 A
after 20 sec about: 12.0 A
on 3 S with on 10.5V

11 x 4,7 GWS
peak: about 15.0 A
after 20 sec about: 13.0 A
on 3 S with on 10.4V

12 x 6 GWS HD (not the slowfly version)
peak: about 15.0 A
after 20 sec about: 13.0 A
on 3 S with on 10.4V

I couldn't measure trust but from my feeling the trust with 11x4,7 and the 12x6 are nearly the same. The speed with the 12x6 is higher. This will be my choice.

I will put the motor into my selfmade Extra with about 700g, I hope it is a good choice.

I think the motor could spin a bigger prop, next time I try the GWS 12x8 HD and the GWS 11x8 RS.

I don't no if I have get a lower Kv version. I read in the rcforum about measurements which are close to Davids.


4 comments. Reply..

Overall Rating
Robert Pacheco
likes
ValueUNRATED
QualityUNRATED
18 thumbs up!
Wow. This motor is such a great value. It pushes my 2lb Das Ugly Stik around with authority. I got 34oz thrust with 11.1v 20c 1600 Lipoly and 11X7 SF APC prop. This puts me into larger RC planes at a modest cost.
**Neons** Bob


2 comments. Reply..

Overall Rating
Shawn Anderson
likes
ValueUNRATED
QualityUNRATED
18 thumbs up!
I think Dave got a dodgy motor because mine doesn't make any grinding noises at all. I don't know if I'd call it completely silent but it's no louder than any other outrunner of this size. And while I haven't tested my motor yet I do trust Dave's numbers post above. So, it's cheap, quiet and very efficient. And all for under $11. A bona fide bargain in my book.


2 comments. Reply..

Overall Rating
FOKKER DVII
likes
ValueUNRATED
QualityUNRATED
13 thumbs up!
Bought this for my Lanier Fokker biplane.
It is a good motor for this slow-flying WWI bird.
With this motor and APC 10*3.8 prop., the Longmax 1300 3S Lipo doesn't get hot and not even warm after 6-7minutes flight.
For this price, I like it very much!


8 comments. Reply..

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