Leomotion L3025-4550 F5J 6.7:1 187g

The Leomotion L3025-4550 F5J 6.7:1 is a medium weight and very powerful electric motor for F5J models and larger models.

It weights 187 g and is capable of approx 1000W for 15 seconds on 3S LiPo’s

• Very powerful motor
• Can be used on up to 4S LiPo batteries
• Dynamically balanced 4 pole rotor
• Hand wound stator
• Carbon fiber reinforced rotor for max. 60,000 rpm
• 6 mm shaft for perfect rotation
• High end ball bearing
• Geared 6.7:1 for high propulsive efficiency

Leomotion L3025-4550 6.7:1 Specifications
Motor name / GB name	Leomotion L3025-4550 6.7	1 6.7:geared inrunner
Motor+GB weight	187 g	4.83 oz
Motor diameter	30.0 mm	1.18 in
Motor length	44.0 mm	1.73 in
Lead length	4.0 cm	1.57 in
Shaft diameter	6.0 mm	0.24 in
Mounting info	4 M2.5 holes on a 23 mm diameter circle
Manufacturers Rm	5 mR
Manufacturers Kv	4550 RPM/V
Manufacturers Geared Kv	679 RPM/V
Est Io	2.8 A @ 10 V
Max efficiency (10 V)	93 % @ 75 A
Operating efficiency (10 V)	92 % @ 105 A
Motor+gearbox Km	199 Nm/W^.5 X1000
Motor+gearbox Km/Kg	1452 Nm/(W^.5 Kg)
Recommended battery	3S or 4S LiPo
Rec max LiPo capacity	4 Ah
Supplied accessories	4 mounting screws
3S LiPo Performance
Recommended prop	16×10; 17×7; 16×8
Input power	860 W on 16×10 prop
Current	86 A on 16×10 prop
Rate of climb	15 m/s for 2000 g glider
4S LiPo Performance
Recommended prop	15×7; 14×9; 14×8
Input power	1150 W on 15×7 prop
Current	86 A on 15×7 prop
Rate of climb	17.5 m/s for 2000 g glider
Gearbox
Gearbox diameter	27.0 mm	1.06 in
Gearbox length	32.0 mm	1.26 in
Motor+GB length	76.0 mm	2.99 in
Gearbox Ratio	6.7
Planet bearings	Needle bearings
Estimated GB efficiency	95 %