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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: 
United States Warehouse In Transit View Item
stock
10+
Price$13.65


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 Customer rated
5206
crowns
  
 
Total of 355 discussions.
Tom  14 points - 7/27/2014
 
Hi Ashwin, Hobbyking does not sell a direct replacement motor mount for the dt750, but the HXT 8mm Alloy Motor Mount 2.5g should work fine since it has te same dimensions as the original motor mount. Cheers, Tom
 RICHARD 85 points
Correction: The HXT 8mm Alloy mounts worked fine for the old motor. The new ones have diameter of 9mm so if you want those motor mounts you will have to drill the hole to 9mm.
ashwin  3 points - 7/27/2014
 
i have 3 of these bought 1 more wondering if there is separate mount as mine is kind of bent
Maarten  1 points - 7/22/2014
 
What is the best way of preventing the little grub screws loosening ?
 anikeev 1150 points
I covered it with epoxy after tightening. Works good. Not so much epoxy needed for this. Epoxy can be removed with sharp knife. Transparent nail laquer works too but not so reliable.
BEST ANSWER CREDIT AWARDED
 atown93 10 points
I used blue lock tight. You can also use the red stuff but beware. The red stuff is almost permanent on aluminum or softer metals.
 Maarten 1 points
I found some green Loctite ( # 648) and try that one. If that doesn't hold, I shall use epoxy, as above.Thanks for the answer
Yakob  1 points - 7/22/2014
 
i mean support*
Yakob  1 points - 7/22/2014
 
does this motor supper CCW ?
 anikeev 1150 points
Yes, this motor support it. Connect the motor to ESC and if it will spin wrong way - just swap any of 2 wires that comes to motor (like 132 or 213 instead of 123). You will also need nuts with threadlock to properly fix your prop or regular nuts covered with glue or epoxy. Hope that helps.
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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