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KST DS225MG - discontinued, replaced by KST X10

Product Code: KST-DS225
 (2 reviews)

Price: $40.25

Discontinued, replaced by KST X10


This product has been replaced by the KST X10

The KST X10 is a drop-in replacement of the DS225.

It is an improved servo with a better specification.

The KST DS225MG HV servo is an amazingly powerful and precise metal cased high voltage wing servo designed to be run directly from a 2S LiPo without needing a regulator.

At only 10mm thick and an impressive torque the KST DS225 is appropriate for F3F, F3B, F3J, F5J, all fast gliders and jets. KST didn't just make this a high voltage version of the DS125MG servo, but they also added a coreless motor for improved efficiency and accelleration.

KST DS225MG HV Specifications
Body dimensions 30.0 mm wide x 10.0 mm thick x 35.7 mm high 1.18" wide x 0.39" thick x 1.41" high
Max dimensions 42.1 mm wide x 10.0 mm thick x 45.0 mm high 1.66" wide x 0.39" thick x 1.77" high
Stall torque (6V) 4.7 65
Stall torque (8.4V) 6.5 90
Weight 26.6 g 0.94 oz
Lead length 20 cm 7.9 in
Operating speed (6V) 0.12 sec/60°
Operating speed (8.4V) 0.10 sec/60°
Operating voltage 6.0V to 8.4V
Bearings 2 ball bearings
Gear material Aluminium alloy / copper-bronze alloy
Case material CNC machined 6061 aluminium
Motor type 10 mm coreless DC motor
Working frequency 1520 µs / 333 Hz
Driver type FET
Digital Yes
Programmable No
Supplied accessories 1 metal output arm, 3 plastic output arms, 1 arm retaining screw, 2 mounting screws
Optional accessories Frame for MKS DS6125, Frame with bearing for the KST DS125, Integrated Drive System for the KST DS125, KST Plastic Servo Arm Set, KST Metal Servo Output Arm, KST DS225 Gear Set

Note the servo packaging gives a lower voltage range of 6V to 7.4V. This is a printing error and the manufacturer has confirmed the servos are fine operating from unregulated 2S LiPo battery.

Reviews 2  

 Review by:

These are great servo's with good centering and excellent speed. As a previous reviewer has said, they do buzz but this doesn't effect performance. The only reason I have them 4 instead of 5 stars is because I managed to break a gear with a medium bad landing (half flap out but not a hard touch down). Gears are readily available and reasonably priced so its not the end of the world but I will now carry a spare at competitions. I have had many servos from another brand which looks similar and never managed to break a gear, so now I know the difference is real but it wouldn't put me off buying them again, very good value.

 Review by:

Excellent flap servo!

Powerful and precise servo.Makes a little "buz" when it centers but works perfect!Chosen for my flaps on my Stork F5j glider and I'm very satisfied with them.

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