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NTM Prop Drive Series 28-30S 900kv / 270w (short shaft version)

NTM Prop Drive Series 28-30S 900kv / 270w (short shaft version)

Now save save $11.36 $11.36

Special Price $4.99 $4.99

You save save $11.36 $11.36

Was  $16.35

Out of stock!
Rating:
Stock:
OUT OF STOCK
Weight:
82 g
SKU:
NTM2830S-900

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Product
Description

This is our short shaft NTM 28-30S 900kv brushless outrunner motor. It is built with no external shaft allowing you to easily mount this motor to your multi-rotor frame without the need for any modification.

NTM Prop Drive motors are rock-solid performance outrunners with tight windings, quality bearings, correctly rated magnets, balanced stator and flux rings 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 28-30S 900kv (short shaft version)
Kv: 900rpm/v
Max current: 18A
Max Power: 215W @ 12v (3S) / 270W @ 15v (4S)
Shaft: 3mm
Weight: 66g
ESC: 25~30A
Cell count: 3s~4s Lipoly
Bolt holes: 16mm & 19mm
Bolt thread: M3
Connection: 3.5mm Bullet-connector

Prop Tests:
13x4E - 11.1v - 194W - 17.4A - 1.04kg thrust      
12x6E - 11.1v - 195W - 17.8A - 1.01kg thrust             
11x7E - 11.1v - 188W - 17.0A - 0.89kg thrust
10x5E - 11.1v - 133W - 12.0A - 0.75kg thrust
  9x6E - 11.1v - 120W - 10.7A - 0.68kg thrust
  9x6E - 14.8v - 234W - 15.8A - 1.05kg thrust
  8x4E - 14.8v - 159W - 10.6A - 0.75kg thrust

Note: An accessory pack is available for this motor. Please see the related items below.

Product
Specifications

Additional Information

  • SKU:
    NTM2830S-900
  • Brand:
    No
  • Weight(g)
    82.00
  • Length
    90.00
  • Width:
    50.00
  • Height:
    80.00
  • Kv(rpm/v)
    900.00
  • Max Currents (A)
    18.00
  • Power (W):
    270.00
  • Length B (mm):
    30.00
  • Can Length D(mm)
    18.00
  • Max Voltage(V)
    15.00
  • Shaft A(mm):
    3.00
  • Unit Weight (g):
    66
  • Diameter C(mm)
    28.00
  • Total Length E(mm)
    33.00
  • Resistance (mh):
    0.00
Community
Discussions
Rate&
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Overall
Value
Quality
Hi All!
How many poles this NTM 28-30?
Thx!
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A tiny little bit of play in the bearings but runs OK. With a 3S 2200mah pack I get 7000rpm on an APC13x4E at 14A. It would be great if the published prop data had rpm figures included.
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ntm motor always the good power
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IT: Ne ho acquistati gi altri, funzionano benissimo.
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Of the qty 7 I've got now, one came with the prop adapter holes without threads (was drilled oversize can't even fix it). Qty 3 have super rough bearings that need replacement before first flight. Qty 1 has a wicked wobble.

QC on these motors are a joke. Don't waste money on these.
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Very well balanced motors , I use with 10x4.5 props and 3S battery and is perfect for my quad of 1.5Kg weight
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These motors are awesome.
Using them on 450 and 550 mm size Quad-copters, they are very well made, smooth, quiet and powerful. Running 8" and 10" props they never run hot and the machined prop nuts look great when installed.
I would definitely recommend these motors.
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These are very good motors, look well made and feel very solid.

Used them in 450 and 550 sized Quads and they have plenty of power with 8-10 inch props and are very smooth when running.

Will definitely buy more.
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First Multi Rotor so not sure what to compare to but bought six of these. Doesn't seem to be a vibration issue but at least one motor started giving problems within about half an hour of flight time. Soon found it when the aircraft suddenly started tipping over at random. Noticed now that the bearings in that motor are very noisy.
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DON'T RUN THESE ON 4S. 2 out of the 3 motors I bought for my tricopter could not take the 4s and would shut down midflight causing a crash each time. I couldn't figure out what was going on until I tried a 3s lipo. Switching to 3s eliminated the problem.
I saw smoke coming from one motor while on 4s, landed and unplugged...the motor is still working so they are built tough, just not made for 4s. Otherwise, good buy.
FYI the motors come with nothing, not even mounting screws.
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