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  Item found in the following categories;
> Electric Motors > Outrunners by size > 22 to 27mm

  RATED:

HXT 2730 DIY kit

HXT 2730 DIY kit

Here it is!
The DIY kit of the popular 2730 motor.
Wind for Kvs from 900 to 6000rpm/v
Wire Guage: .44mm
Weight of motor cannot be determined as it comes with extra wire, shrink wrap etc.

11 Turns Y config 8 magnets for 1700kv
14 Turns Y config 8 magnets for 1300kv

Experiment with turns and magnets to make your own performance motor.
Getting the wire tighter and neater than any factory would care to offer, will enable you to squeeze maximum power from this already stunning motor!

Excellent for small foamies especially GWS pico planes.

The towerpro engine mount shown here can be used for this motor;
https://www.hobbyking.com/hobbyking/store/comersus_viewItem.asp?idProduct=3613

 

 


PRODUCT ID: HXM2730-DIY


Weight: 45g Quantity: 
stock
0
Price$10.75


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Stock updated frequently.
No ETA,goods will arrive every 15-20 days
 Customer rated
523
crowns
  
 
Total of 9 discussions.
Abhilekh  239 points - 6/23/2013
 
I wonder if keeping the number of turns and stator teeth count constant, what effect does the magnetic pole count have on the 'KV' of the motor? Any valid answer? Strongest reason shall be awarded with credit. Cheers :)
 fortin 10 points
from what i know from industrial motor, more pole mean less Kv. I don't know if this is applyble on brushless motor.
 Abhilekh 239 points
I'm afraid it does and that's not what I intend to know.
 fortin 10 points
industrial motor on 60Hz 2 pole = 3600 RPM 4 pole = 1800 RPM 6 pole = 1200 RPM 8 pole = 900 RPM etc on our RC motor, since the drive frequencie is mutch higher, I don't know how the Kv is affected by pole count
 Abhilekh 239 points
not rpm, may be it's like ' 60Hz 2 pole = 3600KV'..........
 fortin 10 points
no, it realy RPM
 magnusEl 1410 points
Theoreticly you will have the dubble Kv with 8 magnets compared with 16. In real life it have been measured to about 1,8.. I have not tested this myself.
 Abhilekh 239 points
Tanks Magnus, I'm soon getting hands on it :)
 Abhilekh 239 points
*Thanks
 Robert 10 points
Yep, the more magnets the slower the motor - and greater the torque. So I am told.
linus-p  89 points - 6/9/2013
 
Amusing that the kit is more expensive than the fully assembled motor... You would usually get some sort of a discount for DIY... Looks like a fun project though. I would really like to see HK stocking winding wire of various grades as I have a few good motors that I have fried over the years and would love to get them going again. Lots of people fry their EDF motors and then have to buy a whole new unit because the motor is not available separately..
 Abhilekh 239 points
you could simply buy winding wires of various different gauge from near hardware shop and improvise with them.
 linus-p 89 points
That would be great, but unfortunately these winding wires cannot be bought from hardware stores in Australia. Some electronics stores sell this wire but you have to buy large quantities, not just a few metres. It is also quite expensive here because very few people would know how to rewind a motor, so the demand is vey low. Thanks for the suggestion. I would buy it if I could.
 Abhilekh 239 points
I might say the same is prevalent here. But I don't just easily lose hope. I roamed about 6 kilometers the day I needed to get myself some 0.6mm wires that too, about 5 meters. Lol.... find and you'll get :)
 linus-p 89 points
:) I would have to travel about 150-200km to get to a store that might stock the wire. That's why I have to do all my shopping on the internet :) :) I'm sure I can find it if I put my mind to it! e b a y Rules!!
 Abhilekh 239 points
VOILA!
 Reight 7 points
Hey Linus have you looked at Jaycar? they do sizes of enamel wire from .25mm to 1.25mm
BEST ANSWER CREDIT AWARDED
 linus-p 89 points
Thanks Reight - I see they have a pretty good range and you don't have to buy huge quantities. Still pretty expensive at around $10 for 100g, but at least it's available.
 GPHunt 21 points
Linus-p Have You looked around Your area for motor rewinding shops? If You can find one close they might sell or give You some wire ! They usually keep a wide range of sizes in stock and they buy it bulk so they get it much cheaper than You can !
 tommy2toes 2694 points
three different size wires works for most motors i bought from here. get the three pack for around $8.00 at a place calle radio shack im for sure theres a web site as well. hope that helps for the future. it did for me i have enough to rewire every break for years.
SLOW STIK  56 points - 8/30/2012
 
Does anyone have a good winding illustration for this motor ? Thanks
 magnusEl 1410 points
With ABCABCABCABC you can use 8 or 16 magnets. With dLRK (AabBCcaABbcC) 10 or 14 magnets is good.
 magnusEl 1410 points
Images can also be found under the "FILES" tab.
BEST ANSWER CREDIT AWARDED
Customer Reviews
Overall Rating
DAVID M NORTH
likes
ValueUNRATED
QualityUNRATED
22 thumbs up!
It's a great kit, but you will have to deal with a few things. First, the bearings will fit loosely in the tube and you'll need to use some loctite or other adhesive to set them (or get some rattling). Second, there may be flash from the holes drilled in the "can" and it should be removed before assembly or the windings might rub and short. Also, it's best to get rid of the gluey goop that will stick to the parts from the double-sticky card they come on. Rubbing alcohol works fine and is harmless to the components.


1 comment. Reply..

Overall Rating
2solar
likes
ValueUNRATED
QualityUNRATED
6 thumbs up!
good kit:
16T delta, GWS 8*4 and hexTronik 620mAh: 9,5A and 8700 rpm
Peak 10,5A and 9000 rpm.


1 comment. Reply..

Overall Rating
Josh Coggins
likes
ValueUNRATED
QualityUNRATED
5 thumbs up!
I choose this as my first build kit. The quality of the components was excellent. I wound a 13T dLRK using advice from rcgroups. My motor is running great. No vibration, everything is straight and true. Plus you get the little motor mount. Love it!!! Plan on buying some more. PS: Mine came with enough wire to wind at least two motors. Highly recommend.


No comments. Reply..

Overall Rating
Ramon Alemany Ribera
likes
ValueUNRATED
QualityUNRATED
4 thumbs up!
Assembly Kit very well finish but they lack instructions of the winding of the motor since it is it but important.


No comments. Reply..

Overall Rating
DAVID M NORTH
likes
ValueUNRATED
QualityUNRATED
4 thumbs up!
I've only done one, but the parts fit together well and the result (14T stock wire dLRK) was great about the same power as the 1300 Standard version but with less noise and better throttle control. The bell and stator both had to be pressed on and it's a little tricky (not very if you have a drill press). The shaft was also press-fit into the bell, but very easy and true.

Better quality than any other kit I've seen in this size.


2 comments. Reply..

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