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KST MS320 v2 Servo - 6.2Kg.cm 0.08s 20.8g 12mm

Product Code: KST-MS320
 (17 reviews)

Price: $48.02

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Description

The new KST MS320 is a revolutionary high reliability servo that uses Hall effect (magnetic) position sensoring to do away with the unreliable and limited life potentiometer (pot) that has been a thorn in the side of RC models until now. It has recenty been upgraded to V2 and is now even better. This advanced KST developed technology has the potential to revolutionise the RC servo industry, with servos no longer the least reliable part of the RC control system. This increased reliability will make these servos the preferred choice for all high value/high energy models, and for the UAV industry.

The KST MS320 V2 has an excellent 6.2 Kg.cm torque with a really good 0.075 sec/60° rotation speed. This makes it particularly suitable for cyclic on 450 and larger helis, and control surfaces of large fast models up to 10 Kg in weight.

In addition to the contactless/magnetic position sensors KST MS 320 V2 high voltage (2S LiPo capable) servos use zero slop hardened steel gears, aluminium alloy cases, and well designed electronics to deliver the best performance at this size and price point. The combination of no free play in the geartrain and the ± 100º rotation range gives these servos the best resolution of any on the market.

As the KST MS320 has better specifications than the KST MS325 we consider the MS325 to be superceded by the MS320.

The extreme reliability and performance of these servos also makes them very suitable for use in film and motion picture industry special effect departments. They are also used in robotic, drone, UAV, UAS, academic research, military, and other highly demanding applications.



KST MS320 v2 Servo Specifications
Body dimensions 23.0 mm wide x 12.0 mm thick x 26.7 mm high 0.91" wide x 0.47" thick x 1.05" high
Max dimensions 32.0 mm wide x 12.0 mm thick x 32.0 mm high 1.26" wide x 0.47" thick x 1.26" high
Stall torque (6V) 4.5 Kg.cm 62 oz.in
Stall torque (7.4V) 5.5 Kg.cm 76 oz.in
Stall torque (8.4V) 6.2 Kg.cm 86 oz.in
Weight 20.8 g 0.73 oz
Lead length 21 cm 8.3 in
Operating speed (6V) 0.09 sec/60°
Operating speed (7.4V) 0.08 sec/60°
Operating speed (8.4V) 0.075 sec/60°
Operating voltage 6V to 8.4V
Operating temperature -20 to 65 °C
Bearings 2 Ball bearings
Gear material Hardened steel
Case material Aluminium alloy
Motor type Coreless
Working frequency 333 Hz
Dead band/resolution 2 µs
Pulse width for ± 60º 800-2200 µs
Digital Yes
Programmable No
Position feedback Hall effect (magnetic)
Supplied accessories 3 plastic output arms, 2 arm retaining screw, 2 mounting screws
Optional accessories KST Plastic Servo Arm Set



Reviews 17  


 Review by:

Excellent product at a good price!

These servos arrived 2 days after I ordered them. A very quick and excellent service with tracking.
Can highly recommend.


 Review by:

Kst ms320

Great hv servo I got a pair for my new f3f vantage from ccm Great service from hyperflight next day delivery spot on thanks


 Review by:

Not fit for purpose

Purchased August 2022, The servo arm moves around center by 1.75mm each way under power, the whole internals move, useless is the only word. having many KST servos and being very happy with them this is an absolute shock.
Neil offering me a 50% store voucher to return them was an even bigger shock having bought them the day previously!!! He also suggested i took it up with KST!!!
Think twice before buy here.

In my reply email actually wrote:
a) You return the servo, we test it and if we agree it has failed and has not been abused we will send a replacement. We can only offer this for servos that have their lead, have not been opened, and have not had the mounting lugs removed.
b) Or we can give you a discount voucher code for 50% of the servo cost, and you buy a new servo using our web site using the voucher code.
Neil


 Review by:

Centering

Lovely looking servos but donít centre so precisely as my cheaper align 450m. The rudder was always of centre so changed them out.


 Review by:

Delphin

Fitted these in my last 2 gliders. Well made, reliable & compact size, plus plenty of power. Great service from Neil


 Review by:

Excellent company to purchase from. Lightening delivery experience


 Review by:

These are great servos for the fuselage on high performance gliders. I just about managed to get them to fit a strong Freestyler 5 and 6 but had to Dremel some of the fuselage where the servo corners are. One thing to watch out for with these is not to let the receiver battery drop to a very low voltage say less than 3.5v-4v as the servo output does a full 360deg turn which can damage linkages that are connected.


 Review by:

Harrier

Ideal for my new V tail Harrier. Like the idea of no potentiometer, so await similar 10mm wing servo


 Review by:

Great little servo.

On test these are very accurate. Perfect for V tail F5j model. Great servo.


 Review by:

KST MS-320 - small piece of art.

It's really difficult to add something more positive than was written by others modellers.
Simply this servo is fantastic - small piece of art.
I think that contactless technology will be implemented by KST soon to all servos produced by them :-)
Many thanks for quick delivery to France - even when Covid19 stopped all Europe I received my servos in 5 days.
Thank you!


 Review by:

LOVELY servos!

These KST MS320 servos exude quality in their construction and performance, chosen from the crowd for contactless feedback on a special project (modified WW2 aircraft instruments for a professional simulator) demanding premium reliability and longevity. I just wish they were more readily available - particularly brushless + contactless in small and large flavours. If they were, I'd be spending thousands.


 Review by:

KST MS320HV

I can only really repeat the other reviews and say they are quiet, fast and a quality product at a reasonable price. Just as important, the service from hyperflight has been excellent.


 Review by:

The Best 12mm servo

I bought 2 of these for my Leprecaun after having trouble with a pair of 8mm servos (not KST). They are perfectly sized for this model and so smooth. I will always look for contactless servos in the future. I also have a pair of KST x12s on the same model and you can feel the difference in the action.


 Review by:

Excellent Servos

Beautiful little servos! Center great, quiet and very fast.


 Review by:

KST MS-320

Very good product. Fast delivery.


 Review by:

KST ms320 HV servo

These contact less servos are quite superb,powerful,quiet and accurate with no slop,add to that the extra reliability gained from the hall sensor positioning then why would you ever use anything else for elevator control?

I look forward to KST bringing this technology to ten mill wing servos, I will feel a great relief!

As always the very best service from hyperflight .


 Review by:

Initial impressions are very good, looks and feels like a quality servo. spec is great.


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