Happymodel EX1404 1404 2750KV 3500KV 3-4S / 4800KV 3S 1.5mm Shaft Brushless Motor for Crux35 Whoop RC FPV Racing Drone

Description

Specification:

Brand: Happymodel
Model: EX1404 

Item Name: 1404 2750KV 3500KV 3-4S / 4800KV 3S Brushless Motor
Optional KV : 2750KV / 3500KV / 4800KV

Quantity: 1 PC

No.of Cells(Lipo):
2750KV compatible with 4S Lipo

3500KV compatible with 3-4S Lipo

4800KV compatible with 3S Lipo

Configu-ration: 9N12P
Stator Diamter: 14mm
Stator Length: 4mm
Shaft Diameter: Φ1.5mm

Motor Dimension(Dia.*Len): Φ17.8×17.6mm
Weight: 8.7g

Features:

Happymodel EX1404 brushless motor uses imported NMB double bearings, excellent dynamic balance structure,

high efficiency, durability and smoothness.

The lead-out position increases protection, even if the machine falls, it is not easy to disconnect.

It is suitable for assembling the SUB250 4-inch long-distance brushless traversing machine.

There are currently 3 KV values to choose from:
– 2750KV recommends 4S ultra-light SUB250 for long-endurance crossing aircraft.
– 3500KV recommends 4S ultralight Freestyle traversing machine.
– 4800KV is recommended for 3S training racing machine.

Test Tbale:

No-load voltage	No-load current	No-load Speed	KV	Voltage (v)	Current (A)	Thrust (g)	Efficiency (g/w)	Power (w)	Propeller		Throttle
Happymodel EX1404-2750KV
2	0.15	5480	2750KV	14.8	1	88.7	5.993	14.8	Gemfan 4024 2-blade propeller		1504
				14.8	2	139.1	4.699	29.6			1663
				14.8	3	183.3	4.128	44.4			1785
				14.8	4	220.2	3.720	59.2			1878
				14.8	5	251.4	3.397	74			1969
				14.8	5.2	256.5	3.333	76.96			2200
				14.8	1	82.5	5.574	14.8	Gemfan 4023 3-blade propeller		1477
				14.8	2	132.4	4.473	29.6			1623
				14.8	3	175.3	3.948	44.4			1742
				14.8	4	203.8	3.443	59.2			1829
				14.8	5	233	3.149	74			1917
				14.8	5.9	255.3	2.924	87.32			2200
				14.8	5.8	253.2	2.950	85.84			2200
Happymodel EX1404-3500KV
2	0.21	7050	3500KV	14.8	1	84.2	5.689	14.8	Gemfan 4024 2-blade propeller		1483
				14.8	2	136.9	4.625	29.6			1607
				14.8	3	178.8	4.027	44.4			1692
				14.8	4	213.3	3.603	59.2			1758
				14.8	5	247.3	3.342	74			1826
				14.8	6	275	3.097	88.8			1883
				14.8	7	299	2.886	103.6			1948
				14.8	8.5	338.3	2.689	125.8			2200
				14.8	8.4	335.5	2.699	124.32			2200
				14.8	1	78.8	5.324	14.8	Gemfan 4023 3-blade propeller		1463
				14.8	2	129.6	4.378	29.6			1576
				14.8	3	168.8	3.802	44.4			1655
				14.8	4	201.4	3.402	59.2			1721
				14.8	5	230	3.108	74			1787
				14.8	6	253.1	2.850	88.8			1840
				14.8	7	270	2.606	103.6			1907
				14.8	8	291.6	2.463	118.4
				14.8	9.5	327	2.326	140.6			2200
				14.8	9.2	315	2.313	136.16			2200
				14.8	1	66.9	4.520	14.8	Gemfan 3018 2-blade propeller		1594
				14.8	2	117.2	3.959	29.6			1759
				14.8	3	165.5	3.727	44.4			1886
				14.8	4	200	3.378	59.2			1980
				14.8	4.4	212	3.256	65.12			2200
Happymodel EX1404-4850KV
2	0.31	9730	4800KV	14.8	1	47.4	3.203	14.8	Gemfan 3018 2-blade propeller		1343
				14.8	2	86.7	2.929	29.6			1479
				14.8	3	123.1	2.773	44.4			1579
				14.8	4	147.5	2.492	59.2			1669
				14.8	5	178	2.405	74			1742
				14.8	6	206	2.320	88.8			1796
				14.8	7	228	2.201	103.6			1857
				14.8	7.9	245	2.095	116.92			1903
				14.8	9.8	282.1	1.945	145.04			2200

Package Included:

1 x HappyModel EX1404 Brushless Motor (Optional)