Himax Brushless Electric Motors

Himax Brushless motors are manufactured to high standards for the discerning modeller. Designed for light-weight, high efficiency, and durability these Himax motors are sure to make today's radio controlled models perform. Himax gear motors come with 6.6:1 gear set installed. This is probably the most common one to use. However, also included are the 5.3:1 and 4.4:1 gear sets. The Himax Brushless motors require brushless sensorless speed controls. Himax motors have a two year limited warranty to the original owner, excluding wear items. All motors are guaranteed to be free from manufacturing defects within two years of date of purchase.

Himax 2025-4200 Brushless Gearmotor

Features: High Efficiency, High Power, Light-weight, Replaces 280-370-400 motors

Specifications:

• Weight: 82g (2.9oz)
• Max Power: 175W
• Gear Ratio: 4.43:1, 5.33:1, 6.6:1 included
• Max Motor RPM: 60,000 RPM
• Shaft Size: 3.0mm
• Mounting: 10 x 10mm square stick mount
• Maximum Motor Case Temperature: 10ºC, (212ºF)

HA2025-4200 Kv = 4200, Rm - .075, lo = .75, Efficient Operating Current = 10-20A

Gear Ratio	2 Cell Li		3 Cell Li
	7 Cell Ni		10 Cell Ni
	7V		10V
4.43	12 x 6		10 x 5
	29.8 oz	15.9 A	34.1 oz	15.2 A
5.33	12 x 6		11 x 5.5
	23.8 oz	10.8 A	35.0 oz	14.3 A
6.60	12 x 8		12 x 8
	22.2 oz	8.3 A	42.4 oz	15.2 A

Part No.	PHOTO	Description	CART	Price
HMX 20254200	PHOTO	Brushless Motor, w/o gearbox, Himax	ADD	$40.00

Part No.	PHOTO	Description	CART	Price
CSE PHX25	PHOTO	Electronic Speed Controller, Phoenix 25 Amp Brushless Sensorless, Castle Creations	ADD	$67.95
JETI JESA18	PHOTO	Electronic Speed Controller, 18 Amp Brushless Advanced, JETI	ADD	$57.00
EFL M1923	PHOTO	Prop Adapter w/ Collet, 1/8 inch, E-Flite	ADD	$3.95

Top of page