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KST X08N V5 HV Lugless Servo - 2.8Kg.cm 0.09s 8.3g 8mm

Product Code: KST-X08N
 (30 reviews)

Price: $43.60

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Description

The KST X08N is a version of the KST X08 servo without mounting lugs (also called mounting tabs). It is especially good for ailerons on DLGs, electric racers, and all models with thin flying surfaces. The gearing has been optimised to improve the torque while keeping an excellent speed. The X08-N can be operated from a voltage as low as 3.8V (1S LiPo) or as high as 8.4V (2S LiPo). KST improved its geartrain machining tolerances, and this servo is completely slop free, and equal to products costing twice as much. Despite not having an -MG moniker this servo has metal gears, and is very tough.

The KST X08N's high torque, good speed, and 8mm thinness make it suitable for many high performance glider, pylon racers and EDF applications. With up to 2.8kg.cm torque the KST X08 is appropriate for F3K, F5D, F5J, many types of high performance models.

Feb 2017: We are now selling the new V5 version (there wasn't a V4) which has improved firmware and electronics, giving even more precise centering and a greater throw.

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 X08-N V5 Specifications
Body dimensions 23.5 mm wide x 8.0 mm thick x 16.8 mm high 0.93" wide x 0.31" thick x 0.66" high
Max dimensions 23.5 mm wide x 8.0 mm thick x 25.0 mm high 0.93" wide x 0.31" thick x 0.98" high
Stall torque (3.8V) 1.40 kg.cm 19 oz.in
Stall torque (6V) 2.20 kg.cm 31 oz.in
Stall torque (8.4V) 2.80 kg.cm 39 oz.in
Weight 8.3 g 0.29 oz
Lead length 10 cm 4.0 in
Operating speed (3.8V) 0.18 sec/60°
Operating speed (6V) 0.15 sec/60°
Operating speed (8.4V) 0.09 sec/60°
Operating voltage 3.8V to 8.4V
Bearings 2 ball bearings
Gear material Aluminium alloy / copper-bronze alloy
Case material Aluminium alloy
Motor type Coreless DC motor
Working frequency 333 Hz
Driver type FET
Digital Yes
Programmable No
Supplied accessories 3 plastic output arms, 1 arm retaining screw, 4 mounting screws
Optional accessories KST X08 Servo Arm Set, Ply Frame for KST X08, Pulley For KST X08

Reviews 30  


 Review by:

Service

Neilís service is outstanding.


 Review by:

Great servos work well with 2 cell LiPo .strong casing , fast delivery, well packaged


 Review by:

All good as usual.


 Review by:

KST XO8N

I bought 2off these servos to replace 2 (other make) servos that changed centering as voltage dropped in flight! These KST servos are absolutely perfect with 2s LiPo giving very quick response -- buy them !!


 Review by:

Good servos for a good price. I am using these for f5d competition planes.


 Review by:

Best DLG Servos

This servo was also used in the second Snipe is very good.


 Review by:

Excelent stuff and delivery

One of the best DLG servos with excelent price and quik delivery


 Review by:

Service

One star for KST, five stars for the follow-up and service by Hyperflight


 Review by:

Good

Good price... good service...


 Review by:

I bough 4 KST servo, and one of them start to make problems, after letter to Neil, i sent video and took 50% discount for new servo.
very fast shipping and very good service )
Thanks


 Review by:

Strange Problem Cause Identified

The source of the problem described below has been identified and it is caused by the motor coming loose in the case and slipping downwards causing the motor pinion to drop out of the gear train. See this link - https://youtu.be/HrQGWu3Ra74
The motor is held in with loctite and can be reglued. KST recommend loctite 496. Check your motors are secure particularly after a bit of a knock.


 Review by:

Strange Problem

Using four of these in a Flipper. After a throw the rudder went hard over with the rudder torsion spring. After getting it down the rudder servo motor was running continuously and the output arm could be moved as though it was not connected to the gear train. Pulled the top off and the gear train was fine showing normal function. Put the top back on and servo works fine. This was a v5 servo.


 Review by:

Best servo for this price

This is the best servo with no compromises, precisious, metal, high power. Servos were delivered fast to Ukraine and packed good.


 Review by:

Thank you KST

Thank you KST, you just cost me a not even 6 month old Snipe SN because of a sudden servo freeze on the elevator servo.
The servo freeze occurred just after launch and remain frozen until it was manually pushed back into position.

HyperFlight Comment
This was a X08 V3 servo. These have a reported occasional boot problem (one in a thousand) when powering-up. Always check the servos respond after switching on.


 Review by:

Best DLG Servos

These servos are best for DLG. KST X08 are light, metal and High Voltage.
I use servos with 2S battery without BEC and direct connection to the receiver.


 Review by:

Wonderful Servo

This little servo is very special and it is reasonably priced.


 Review by:

Спасибо за хороший товар


 Review by:

Very light, compact, and rugged servo.
The immediate reaction is then easy to control.


 Review by:

Great little servos,works well in my dlg.


 Review by:

Great servos! Using them in a FW 6.2. Thanks Neil for the great shipping service to Switerland!


 Review by:

Probably the best dlg servo out there for the money. Been some issues reported recently so the factory revised the KST 08 servo and these are now fresh stock at Hyperflight.

I had no issues with the V3's previous and so far this latest revised V3 is work just as well as always, highly recommended servo all round in a dlg.


 Review by:

Very good servos, v bad reports on pervious designs

Looks like they have remedied the problems

Slight bit of backlash in the gears but the pros out weigh the cons

The only servo that would fit in my 7.5 mm thick wing


 Review by:

Received servos in good time however one was faulty (twitchy) so I had to send it back for replacement at my own expense with no offer of reimbursement so a bit disappointed.
Two out of three servo horns are next to useless very sloppy fit, at least the ones i needed were okay, servos have a little play in the gears not slop free but acceptable not sure I would recommend.


 Review by:

Kst x08n for #boom dlg

Quick delivery and superduper service! The servos fits perfectly in my new #boom dlg from Jim Aero. Thanks from Norway.


 Review by:

That ! small

I know perfectly well how much 8mm is, and still it's amazing how small this servo is when you hold it. For its size the torque and speed is really good. I haven't had time to test it live since the plane is not ready yet. The servos will go inside a moulded stab and be connected to the elevator surfaces. Build quality of the servo seems to be top notch and the size allows for fully built in servos in even the thinnest of wings. A really nice product!


 Review by:

fast service.look business.run all 4 on servo tester all very positive.await fitment into blaster 2.


 Review by:

Great Servo

Amazing little servo, powerful with perfect centering and tight gears.


 Review by:

great little servos


 Review by:

Replaces an X08 v2 that died.
I dropped it in the wing and was pleasantly surprised to find a slightly longer servo lead. Works as expected, and props for the wide voltage range.


 Review by:

KST X08N

Perfect fit for a Blaster 3. Their lack of lugs, flat sides and wires that exit from their bottoms allow them to be butted together for a straight, tight fit.


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