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Quanum MT Series 4012 400KV Brushless Multirotor Motor Built by DYS

Quanum MT Series 4012 400KV Brushless Multirotor Motor Built by DYS

Discontinued Product

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SKU:
573000058-0
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Quanum MT series motors are Spec built by DYS, well known in the industry for their quality and performance.

The MT line uses quality NMB bearings, high pole counts for torque and smooth operation and all have standardized universal mountings in their given size. Quanum has spec’d the motors with N42sh magnets and .2mm laminations for optimal efficiency. The MT’s also have ample motor wire length for a cut to fit installation, with included bullet connectors and shrink tube. Another great feature is that Quanum spec’d all the motors to come with mounting hardware in various lengths, as well as both hub and direct mount propeller options, so installation is a snap.

Each Quanum motor is QC checked for balance, wind, performance and mechanical tolerance. The DYS brand is well known for their BE series and the new spec built MT line will set new standards of value vs performance.

Features:
• High Power N42sh magnets
• Precision NMB bearings
• .2mm laminations for optimal efficiency
• Ample cut to length motor wires for a clean install
• Direct mount propeller or Hub style compatible
• Multi-length mounting hardware included

Specs:
KV(RPM/V): 400KV
Lipo cells: 4-6S
Max Power:  350.8W
Max Amps:     15.8A
No Load Current:  0.8/22.2V
Internal Resistance: 0.41ohm
Number of Poles: 14
Dimensions(Dia.xL): 47x31mm
Motor Shaft: 4mm
prop shaft: 6mm CW prop adapter
Weight: 144g
bolt hole spacing: 25x32 M3, M2.5
Lamination thickness: 0.2mm
Magnets: 42SH
Wire: 18AWG
Connector: 3.5mm bullet

  • SKU 573000058-0
  • Brand Quanum
  • Shipping Weight 266.0000
  • Packaging Length 95.00
  • Packaging Width 50.00
  • Packaging Height 70.00
  • Kv(rpm/v) 400.00
  • Max Current (A) 16.00
  • Resistance (mh) 0.00
  • Max Voltage(V) 22.00
  • Power (W) 350.00
  • Shaft A(mm) 4.00
  • Length B (mm) 31.00
  • Diameter C(mm) 47.00
  • Can Length D(mm) 13.00
  • Total Length E(mm) 38.00
  • Quanum MT Series
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I bought a bunch of the Quanum motors convinced by the ads that they would be great.
That will be the last time I buy more than a single sample of a new product from HK, and test that sample thoroughly before ordering any more.
I only awarded one crown because zero was not an option.
I have seen some pretty stupid things over the years, but this one ranks as among the lowest.
The prop adapter is 5 mm.
The motor shaft is 4 mm, and protrudes from the face of the motor a length equal to the thickness of the base of the prop adapter.
That would be OK, except that the clearance hole for the shaft protrusion is drilled-out to 5 mm for a brass liner with 5 mm OD and 4 mm ID.
The result is that the material left at the base of the prop adapter shaft is paper thin and the shaft breaks off when the nose nut is torqued even just a little bit.
The prop adapters are useless.
Even if a few held together when torqued very gently, I would not dare to fly anything with them for fear the prop would break off in flight.
I also have sets of 4108 motors of 475, 580 and 700 KV, and they are all the same.
In total, 19 motors with no usable prop adapters.
Disappointed, frustrated, angry....

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

I bought a bunch of the Quanum motors convinced by the ads that they would be great.
That will be the last time I buy more than a single sample of a new product from HK, and test that sample thoroughly before ordering any more.
I only awarded one crown because zero was not an option.
I have seen some pretty stupid things over the years, but this one ranks as among the lowest.
The prop adapter is 5 mm.
The motor shaft is 4 mm, and protrudes from the face of the motor a length equal to the thickness of the base of the prop adapter.
That would be OK, except that the clearance hole for the shaft protrusion is drilled-out to 5 mm for a brass liner with 5 mm OD and 4 mm ID.
The result is that the material left at the base of the prop adapter shaft is paper thin and the shaft breaks off when the nose nut is torqued even just a little bit.
The prop adapters are useless.
Even if a few held together when torqued very gently, I would not dare to fly anything with them for fear the prop would break off in flight.
I also have sets of 4108 motors of 475, 580 and 700 KV, and they are all the same.
In total, 19 motors with no usable prop adapters.
Disappointed, frustrated, angry....

motori di ottima qualita e ben costruiti dei veri mostri, un po poca potenza per le sue dimensioni ma questo giustificato dal fatto che a dei consumi molto bassi! consiglio di usarli a 6s con eliche grandi 14-15

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

motori di ottima qualita e ben costruiti dei veri mostri, un po poca potenza per le sue dimensioni ma questo giustificato dal fatto che a dei consumi molto bassi! consiglio di usarli a 6s con eliche grandi 14-15

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