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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
10+
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Price  $13.65

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 Customer rated
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Total of 389 discussions.
bernardo  1 points - 5/13/2015
 
what type of connection should i use if i want to link everything together (motor/esc/battery)? should i use bullet connectors? im using a arduino shield for my hardware! any help is appreciated!
 anikeev 1304 points
I use 3.5mm bullet connectors to connect motors to ESC and ESC to distribution power board. Power board to battery - depends on battery connector (I use XT60). and control wire from ESC to arduino shield fits perfectly (same 2.54mm step between pins).
Nick K.  13 points - 5/12/2015
 
Where can I find a replacement shaft for this motor?
uncleray  6 points - 5/9/2015
 
For my first quad build, what prop and adapter would you recommend ?
 anikeev 1304 points
This motor works good with 11" props. I use it with 12" because my quad is too heavy. As I said before, I use three nuts to install the props and it still work for me. When you get your motors use epoxy glue on the bottom of the bell, where three wires comes to coils - it's weak spot and because of vibrations you can loose contact. Motor mount have small hex screw (1.5mm hex) - it's better to tighten it and fix with epoxy or nail laquer. You can still use 9" props with this motor if your quad is really lightweight.
BEST ANSWER CREDIT AWARDED
 uncleray 6 points
Thanks for the great advice. I just ordered 11" props and lock tight about 1 hour ago.
matthebest  2 points - 5/4/2015
 
Is this motor compatible with a 9x4.7 prop? Or it's only good with 11.3.8 or 11x4.7
 anikeev 1304 points
It's compatible with 9x4.7. But it's better to use this motor with large props 11" or12" - you can get more thrust (and that's what everyone needs). This motor have good torque but it's slow. For 9" you need more speed and less torque. So you can look for 1000 kV motor or even higher. If you use 9" props because of size limits - you can use this motor with 9" tthree blade props. Or you can use 9.4x5 props with this motor to get more thrust.
 matthebest 2 points
Thanks
 anikeev 1304 points
U R welcome. BTW when you get an aswer on discussion page you can award someone with "credit for best answer". You will not pay anything for that, but it's the reason to continue help others :)
shibu  7 points - 4/26/2015
 
does it come with bolt?
 anikeev 1304 points
What bolt do you mean? It comes as motor with mounting and pretty long 4mm shaft. No bullet connector, no prop adaptor. Just a motor in the box.
 shibu 7 points
bolt for tightening propeller
 anikeev 1304 points
There's no bolt for tightening propeller. You can use any standard M4 hex nut for it. I recommend to use nut with plastick threadlock inside, so it will not loosen by vibration. I use 3 hex nuts: one as a base for prop and two other fix prop on top. I tighten one nut, then put second nut, then tighten them to each other. Works for me.
 uncleray 6 points
Does the three nut method still work for you? This is my first quad build and I would really hate to have my props fly off!
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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