Motors

X60-Kv120

Alva X-series, world’s most reliable motors for multicopters. With a composite sleeved inrunner rotor, encapsulated FiberPrinted™ stator, mechanical components made from aerospace-grade aluminium and titanium in combination with spring-loaded SKF bearings results in an unmatched lifetime.

Technology

MTOW - Octocopter

Peak thrust

Continuous thrust

Thrust ratio

Rated voltage

System Mass

I/O

Mass

394 g

Speed constant

Kv120

Torque constant

95.0 mNm/Arms

Design life

1000 hrs

Nominal voltage

12S

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FiberPrinted™ stator

X60 is based on Alva’s proprietary production technology FiberPrinting™

High power

For heavy-duty missions

High precision

Trust your equipment

‍

>2x acceleration

Safety & agility

Lightweight

Maximise effective payload

Efficient

For increased endurance

Low noise and vibrations

Silent motion

1000 hrs lifetime

X60 is designed & tested to last 1000 hrs in virtually any environment

Precision bearing system

No more time-consuming replacements of bearings

Dust ingress protection

Full ingress protection against potentially harmful particles

Water-resistant

Full operational ability in any rainy condition

Halbach rotor

Every component is designed for maximum performance & reliability including the rotor

Halbach array

Alva’s state-of-the-art Halbach array rotor maximise the magnetic field density

Composite sleeve

A composite sleeve assures failure free operation in any condition

Quality

Strict production & quality procedures are followed to achieve market leading quality

Quality Control

Extensive in-line & end-of-line quality control

Traceability

Full documentation of production data

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Technical Specifications

Performance
MTOW - Octocopter
Peak power
2250 W
Peak thrust
Continuous power
940 W
Max permissable speed
Continuous thrust
Thrust ratio
Design life
1000 hrs
Motor
Model name
Speed constant(KV)
Kv120
Torque constant
Line-to-line resistance
Line-to-line inductance
Stator/Rotor poles
Nominal voltage
Mass
Electrical
Speed constant
Kv120
Torque constant
95.0 mNm/Arms
Line-to-line resistance
154 mΩ
Line-to-line inductance
9.16 μH
Stator/Rotor poles
34
Rated voltage
12S
Winding connection
WYE
Nominal voltage
12S
ESC
Model name
Rated voltage
Continuous current
Control method
Peak current
Telemetry output
Throttle input
Propeller
Model name
Size
Mass
Mechanical
Diameter
103.5 mm
Axial length
46 mm
Mass
394 g
Drone arm diameter
Environmental
IP-rating
IP-55
Operating temperature
-15 to +40 Celsius

Thrust tables - 44VDC & 20°C

ALTUS X60 Uno - 28"
X60-Kv120
Alva-Mejzlik 28"
Single
Throttle
(µs)
1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000
Thrust
(g)
2253 2815 3439 4096 4789 5530 6264 6996 7766 8586 9467 10337 11137
Torque
(Nm)
0.71 0.89 1.10 1.31 1.53 1.77 2.00 2.23 2.48 2.74 3.03 3.31 3.56
Speed
(RPM)
2003 2228 2453 2667 2875 3080 3270 3448 3625 3804 3986 4158 4309
Battery
current (A)
4.6 6.3 8.4 10.8 13.6 16.9 20.6 24.7 29.3 34.2 39.8 45.6 51.4
Power
(W)
207.4 281.6 372.9 478.2 601.9 748.7 914.1 1098 1301 1518 1766 2023 2280
Efficiency
(g/W)
10.9 10.0 9.2 8.6 8.0 7.4 6.9 6.4 6.0 5.7 5.4 5.1 4.9
ALTUS X60 Uno - 30"
X60-Kv120
Alva-Mejzlik 30"
Single
Throttle
(µs)
1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000
Thrust
(g)
2251 2851 3501 4218 4965 5749 6577 7388 8205 9091 10040 10973 11848
Torque
(Nm)
0.69 0.85 1.04 1.24 1.45 1.68 1.92 2.15 2.39 2.65 2.93 3.21 3.48
Speed
(RPM)
2008 2241 2466 2689 2901 3105 3305 3489 3663 3842 4024 4193 4346
Battery
current (A)
4.525 6.135 7.978 10.29 13.03 16.15 19.66 23.68 28.31 33.16 38.54 44.40 49.97
Power
(W)
200.9 272.4 354.2 456.9 578.3 717.0 872.7 1051 1257 1472 1711 1971 2219
Efficiency
(g/W)
11.2 10.5 9.9 9.2 8.6 8.0 7.5 7.0 6.5 6.2 5.9 5.6 5.3
ALTUS X60 Duo - 28"
X60-Kv120
Alva/Mejzlik 28"
Co-axial
Throttle
(µs)
1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000
Thrust
(g)
3639 4552 5562 6642 7779 8987 10221 11450 12737 14058 15511 16945 18274
Torque
(Nm)
0.71 0.89 1.10 1.31 1.53 1.77 2.00 2.23 2.48 2.74 3.03 3.31 3.56
Speed
(RPM)
2003 2228 2453 2667 2875 3080 3270 3448 3625 3804 3986 4158 4309
Battery
current (A)
8.9 12.0 15.9 20.4 25.6 31.8 38.9 46.8 55.8 65.3 76.0 87.0 98.0
Power
(W)
393.4 532.5 703.8 905.4 1137 1412 1728 2080 2478 2898 3372 3863 4350
Efficiency
(g/W)
9.2 8.5 7.9 7.3 6.8 6.4 5.9 5.5 5.1 4.9 4.6 4.4 4.2
ALTUS X60 Duo - 30"
X60-Kv120
Alva-Mejzlik 30"
Co-axial
Throttle
(µs)
1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000
Thrust
(g)
3636 4611 5668 6828 8061 9349 10720 12074 13459 14903 16443 17985 19440
Torque
(Nm)
0.69 0.85 1.04 1.24 1.45 1.68 1.92 2.15 2.39 2.65 2.93 3.21 3.48
Speed
(RPM)
2008 2241 2466 2689 2901 3105 3305 3489 3663 3842 4024 4193 4346
Battery
current (A)
8.6 11.6 15.1 19.4 24.6 30.4 37.2 44.8 53.8 63.3 73.5 84.6 95.6
Power
(W)
380.9 514.7 669.1 860.9 1090 1350 1650 1991 2387 2811 3264 3757 4246
Efficiency
(g/W)
9.1 8.2 7.5 6.8 6.3 5.9 5.5 5.2 4.9 4.6 4.4 4.1 4.0
Alternative configuration
X60-Kv120
Alva-Mejzlik 26x8.7
Single
Throttle
(µs)
1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000
Thrust
(g)
1948 2459 3010 3608 4264 4940 5645 6393 7120 7876 8676 9502 10199
Torque
(Nm)
0.61 0.77 0.94 1.12 1.33 1.54 1.75 1.98 2.21 2.44 2.69 2.94 3.16
Speed
(RPM)
2027 2265 2493 2717 2942 3155 3361 3566 3753 3938 4123 4305 4452
Battery
current (A)
4.1 5.6 7.4 9.4 11.9 14.7 17.9 21.7 26.0 30.6 35.3 40.7 45.3
Power
(W)
183.3 248.2 327.2 418.6 527.9 654.0 795.6 965.3 1156 1356 1569 1808 2012
Efficiency
(g/W)
10.6 9.9 9.2 8.6 8.1 7.6 7.1 6.6 6.2 5.8 5.5 5.3 5.1
Throttle
(µs)
Thrust
(g)
Torque
(Nm)
Speed
(RPM)
Battery
current (A)
Power
(W)
Efficiency
(g/W)
Alternative configuration
X60-Kv120
Mejzlik 26x8.7
Co-axial
Throttle
(µs)
1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000
Thrust
(g)
3142 3971 4867 5840 6899 8016 9176 10398 11629 12879 14187 15549 16759
Torque
(Nm)
0.61 0.77 0.94 1.12 1.33 1.54 1.75 1.98 2.21 2.44 2.69 2.94 3.16
Speed
(RPM)
2027 2265 2493 2717 2942 3155 3361 3566 3753 3938 4123 4305 4452
Battery
current (A)
7.8 10.6 13.9 17.8 22.4 27.8 33.8 40.9 49.1 57.8 67.3 77.5 87.0
Power
(W)
347.1 469.7 617.0 789.1 994 1236 1502 1817 2180 2567 2989 3440 3862
Efficiency
(g/W)
9.1 8.5 7.9 7.4 6.9 6.5 6.1 5.7 5.3 5.0 4.7 4.5 4.3
Throttle
(µs)
Thrust
(g)
Torque
(Nm)
Speed
(RPM)
Battery
current (A)
Power
(W)
Efficiency
(g/W)

ALTUS Uno

ALTUS Duo

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