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  Item found in the following categories;
> Electric Motors > Outrunners by size > Specialised Motors
> Electric Motors > NTM Series > 35mm
> Electric Motors > NTM Series > 42mm
> Electric Motors > Outrunners by size > 35 to 44mm

  RATED:

NTM Prop Drive Series EF-1 Pylon Racing Motor 1300KV / 930W (v2)

NTM Prop Drive Series EF-1 Pylon Racing Motor 1300KV / 930W (v2)
NTM Prop Drive Series EF-1 Pylon Racing Motor 1300KV / 930W (v2)

Officially recognized and approved by the NMPRA, this EF-1 motor is the ideal choice for your electric pylon racing model. It has been designed specifically for use in EF-1 racing offering the ultimate in performance and efficiency. A complete accessory pack is included with this motor.

NTM Prop Drive motors are rock-solid performance outrunners with tight windings, quality bearings, correctly rated magnets, balanced motor bell and flux rings, tool-steel shafts plus they are QC checked at 14 points, from material processing all the way through to final dyno test.

Because we design and build these motors completely in-house (from 3D/2D drawing to materials sourcing, machining, balancing, final assembly and dyno) we can completely control production and ensure product consistency from design right through to shipping the product to you. The removal of middle-men has meant we can drive better value to the market and retail these motors at factory(our) prices! All performance figures are real and tested on our own motor dynos.

Our QC engineers check and balance each motor before shipping to the HobbyKing.com warehouse.
 
Specs:
Model: NTM Prop Drive Series EF-1 1300kv
Kv: 1300rpm/v
Max current: 65A
Max Power: 500W @ 11.1v (3S) / 930W @ 15v (4S)
Shaft: 5mm
Weight: 155g
Cell count: 3s~4s Lipoly
Bolt holes: 25mm
Bolt thread: M3
Connection: 3.5mm Bullet-connector

Prop Tests:
8x8 - 11.1v - 260W - 24A - 0.9kg thrust
8x8 - 14.8v - 560W - 38.8A - 1.45kg thrust

Note: An accessory pack is included with this motor. This is the v2 unit with improved end bell design and silicon wire shielding.

 

 


PRODUCT ID: NTM-EF1-1300

This product available from a warehouse near you!

Kv(rpm/v) 1300
Weight (g) 155
Max Current(A) 65
Resistance(mh) 0
Max Voltage(V) 15
Power(W) 930
Shaft A (mm) 5
Length B (mm) 42
Diameter C (mm) 38
Can Length (mm) 23
Total Length E (mm) 60
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Customer Data

Weight: 293g Quantity: 
United States Warehouse In Stock View Item
stock
10+
Price$29.99


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 Customer rated
45
crowns
  
 
Total of 16 discussions.
Adrenalineforu  1 points - 6/20/2014
 
Can I use this motor in a uni-copter, I'm researching, that has a 120mm 14 blade on top and 80mm 11 blade fan just below it in a gradually narrowing duct to produce compressed air? The assembly will be placed at the geometrical center of the copter which sucks air from top and outlets it at the 4 corners. Can anyone suggest a better motor for such configuration?
magrinsi  119 points - 6/17/2014
 
I want try it with 6x11" carbon blade and 6s...in external configuration. I think that the 90-100A will be ok with super cooling position.
 Maddin123 20 points
Did you try it already on 6s?
Jose  32 points - 6/10/2014
 
What is the largest prop to use on a 3S battery?
BillE  76 points - 5/30/2014
 
I'm thinking of using this in a .25 (1300mm, 1.6kg) warbird with 3S 3500Mah and a 13x6x3 and an 80A plush. Will this be OK or am I better off going to a lower KV motor?
 cmartin 300 points
I do not recommend this motor for your application. The recommended propeller is 8x8", therefore using a 13x6x3 propeller will surely burn it. You should better look for a lower Kv motor.
Jose  32 points - 5/19/2014
 
Unfortunately my one did not pass the bench test. Magnets came loose, on its way back to HK. Anyone else w this problem?
 Sayung 1 points
Same problem here on bench test too... I glued the magnet back and will see how it performs in the next tests.
 Jose 32 points
HK was pretty fair and sent me another one, I am pleased.
Customer Reviews
Overall Rating
Koelma
6 likes
Value
Quality
Like it?
Dear all, I am very happy with this motor. We did a comparison with two other official approved EF1 motors. They all three had exact the same performance only this motor cost the half the price!!


3 comments. Reply..

Overall Rating
Marauderer
10 likes
Value
Quality
Like it?
just got two of the Generation 2 motors and was at the EF1 race at Old Julian Airport last weekend. I had not mounted or tested these motors but, a friends motor died in his racer and we took one of the new motors and put it in his Wagner Solution and it preformed very well for the 8 races it flew. I plan on putting the other one in my Shoestring and hopefully they will have more of these motors available soon. The only thing they could do better is to increase the bullet connectors size from 3.5mm to 4.0mm. The silicon insulation on the motor wires and the small flutes on the back of the motor case to keep the wires separated is a good quality touch.


2 comments. Reply..

Overall Rating
gtfpv
8 likes
Value
Quality
Like it?
WELL I HAVE ORDERED 2 OF THESE for the invictus planes , along with yep 80 amp escs . they are a very smooth running motor , combined with the nano tech 2650 mah 30-70c 4s batteries they pull 1038 watts peak and settle at about 61 amps 960 watts with the rec 8x8 apc props . seem well balanced with no resonance on any throttle position .


No comments. Reply..

Overall Rating
skyholes
88 likes
Value
Quality
Like it?
I don't know where these guys get their prop data from...mine benched 50A with apc8x8 using 3300 4s 40C turnigy lipo. run thru a plush 60 esc. I tried to get close to the max amp level of 65 with a 5S 2700mah nanotech. at 80 percent throttle I saw 63 amps and shut it down. after only 2 small bursts on the bench, right out of the box, there was a little bearing play on the motor. other than that, it looks very beefy. can is 38mm diameter.


No comments. Reply..

Overall Rating
skyholes
88 likes
Value
Quality
Like it?
finally got it installed in my NMPRA pogo and test flew. was less than impressed with the stardard ef1 setup 4cell 65C nano, plush60, and 8x8 APC prop it only pulls 49-50 amps 720watts at WOT. my model is 3.3lbs all up. this motor is rated to 65A on paper. im thinking about putting a 5 cell 2700mah and see what happens. im feeling fearless with a separate ubec powering my rx and servos, hehe.


1 comment. Reply..

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