| KST X08 V6 Servo 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 | 29.5 mm wide x 8.0 mm thick x 25.0 mm high | 1.16" wide x 0.31" thick x 0.98" high |
| Stall torque (3.8V) | 1.4 Kg.cm | 19 oz.in |
| Stall torque (6V) | 2.2 Kg.cm | 31 oz.in |
| Stall torque (8.4V) | 2.8 Kg.cm | 39 oz.in |
| Weight | 8.9 g | 0.31 oz |
| Lead length | 15 cm | 5.9 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 | |
| Operating temperature | -10 to +50 °C | |
| Bearings | 2 ball bearings | |
| Gear material | Hardened Steel | |
| Case material | 7075 aluminium alloy | |
| Motor type | Coreless DC motor | |
| Working frequency | 333 Hz | |
| Dead band/resolution | µs | |
| Pulse width for ± 60º | 1000 - 2000 µs | |
| Digital | Yes | |
| Programmable | Yes | |
| Position feedback | Potentiometer | |
| Supplied accessories | 3 plastic output arms, 2 arm retaining screws, 4 mounting screws | |
| Optional accessories | Ply Frame for KST X08, Pulley For KST X08, KST X08 Servo Arm Set, Frame with plain bearing for the KST X08, Integrated Drive System/Mono for KST X08, KST Servo Programming Tool 1, KST Servo Programming Tool 2 | |
Lovely precise quiet servo. Works perfectly, super quick post, would highly recommend
Tiny, fast, and accurate, a perfect fit for my Mini Ellipse v-tails. Hyperflight excellent as ever; the servos dropped through my letterbox less than 24 hours after ordering.
I've used these for some time now with great success
I like these very much!! Neil always delivers quickly .
I use these in all my DLGs ! They work perfectly all the time!
As usual, Neil is so kind in responding all doubts and giving solutions. Nice purchase and really quick delivery!
excellent next day delivery as usual from Neil, not used servos as yet ,awaiting delivery of Vortex 3, but they look amazing quality ,smaller than expected , & a good price,
Quality that will be enjoyed long after the price is forgotten! Always nice to find a product that is built up to a quality, rather than down to a price, and yet is still affordable. Served up impeccably by Hyperflight, not least in the accurate pairings of gear to models, which I found exceedingly useful shopping from the other side of the world.
Great servos, lost count of how many I have purchased.
Always first class service from Neil-Hyperflight
Excellent value, prompt delivery and good advice over the phone. 1st time customer but will definitely use again. Thank you
OK. I admit it. I've not fitted them yet,but I know they'll be good.
JUST a quick note of praise for hyper flight. I ordered yesterday I think around ten am and the servos are here today (UK to UK) service. That's service. Thanks.
It means I'm flying tomorrow, forcast is good.
I think the man is Neil, so Neil thank you your a star.
Crammed these servos in a new Vortex 3.....they work very well....Excellent service from Neil at Hyperflight....as usual!!!!
Great little Servo with Big attitude, use this in the majority of my gliders.
Fabby service from Neil at Hyperflight
I am using several of these servos and recommend them for DLG models. For me they work perfectly all the time.
I think it's the best match for F5J and hand lunch.
More than adequate power for a light glider. Perfect accuracy.
Looks a nice servo, beautifully manufactured in aluminium rather than plastic and appears to work as expected. My only worry is that the exposed motor and wiring might be suspect able to water damage should it rain or land on wet grass. Probably just me worrying rather than anything really to be concerned about.
I have been using these servos for some time now because they fit perfectly in my DLG'S, also operate on a wide range of voltages and are powerful beyond my requirements, my personal choice!!
I bought these to replace a set of 4 which I had just installed but not used. When I was setting up the radio I had accidentally plugged the battery into the receiver the wrong way. The servos were completely ruined within a second. Expensive mistake!
Just couldnt get the backlash out of the elevator on my DLG until I fitted this servo. Problem solved. I've got these on my Shadow and Supra, but never appreciated its quality quite so much until now.
These servos don't really need another review as they seem to be the standard 'go to' servo for DLGs.
So just a a simple review: Wow.
Excellent service. Really nice servos. Looking forward to installing!
I needed servos for a RCRCM Sunbird which has very thin wings. The KST X08 fitted a treat. Still waiting to fly the Sunbird to see how they perform.
Switched back to KST X08 for my latest dlg as I want to use a 2s lipo and my current servos were not 2s compatible. Used plenty of X08's before from my first Blaster 3 that I had off Neil, through many other planes to my current Auri, and they have always been rock solid for me. Usual high class service from Neil, I wouldn't shop anywhere else.
Superb servo which I bought (x4) for Precision Aerobatics Addiction X build which I wanted to keep the weight to a minimum. Plenty of power for this application and about 1/3rd the weight of recommended servos without sacrificing speed and power.
My one criticism is that by extending the throw of the V5 they have eliminated any possibility of extending the throw as available in my Taranis radio where I can extend throws up to 120%. This is a problem because it means that even normal 100% throws, if you apply a subtrim, you lose it at the extreme - there becomes a dead part of the stick for which there is no more servo travel.
Once this is realised, it can be worked around because the V5 has so much throw that it can accommodate subtrim by slightly reducing transmitter throws to (say) 80 or 90% giving a little leeway for the subtrims.
Very pleased with this tiny servo.
Even though I am in the US... I got these servos fast and at the best price... I am keeping Hyperflight bookmarked for future purchases for sure!
I have 8 off these in a couple of DLGs , my latest 4 are in an AURI I bought a few weeks back, for me these are excellent servos at the price with perfect centering using 2cell Lipo
Have been buying KSTs for a number of years and they have never let me down. These are the preferred option for the DLG community, and look superb, although they have not been fitted yet. Bought the optional pull/pull pulleys - nicely made
I've recently changed over to MKS but bought these to fit the NRJ servo tray. Very happy with them, work great, precise and 1-2 compatible.
I bought this servo on Neil's advice to replace a FrSky c2110 that had failed on my Loola DLG. Bit expensive but performance, resolution and centering are noticeably superior to the FrSky offering. Runs faultlessly on one cell Nice one Neil, I'll be back!
Nice perfect yet to test them in flight but look impressive
Nice servos, haven't fully tested them in flight but accuracy and speed great so far in the plane. More than I wanted to pay for a small servo, but worth it definitely.
Running them on 2 cells to remove the weight of the BEC in DLG.
Good solid and tight, very precise. Not the quickest but that is no problem for me !
Best servos ever rock solid super smooth worth every penny!
Best servos ever rock solid super smooth worth every penny!
Very good servo for the price using on the sprite & the Circle Dancer 3600 great little servo.
Very good resolution! Measured only 1us deadband on mine V5 servos. Very pleased with the quality and I have converted to only KST 08 type servos in Indoor models and MPX Parkmaster. You need good servos to enjoy the precision of your Control input.
Best regards
Johan
Have had 3 of these go awry over the past month.
Posted here on RCGroups. https://www.rcgroups.com/forums/showpost.php?p=39194657&postcount=248
Welcome advice as to how best to fix it (thought I had, but not in every case).
As usual Neils team does great service. They can't be held solely responsible for product failures.
A really nice, small servo that works great for DLG and smaller gliders. Works with 2s lipo voltages which works great with my Graupner receivers.
Wonderful servo and a bit lower in price, without sacrificing quality, than the competitor.
Great servo. very light. Wide voltage range makes it an excellent servo to run of 1 or 2 cel lipo directly.
Great little servo, and of course you receive the awesome service from Hyperflight.
This is a truly impressive servo. It is amazingly tiny, built to the highest quality, and is very light. It has plenty of power and is reasonably fast. Highly recommended.
Happy with the purchase
Neil has given me excellent service. I have recently e-mailed him twice with product enquiries, even before placing my first order. Neil responded within a few hours each time, with very useful replies to my questions. I have now just received my first order for KST X08 servos. They arrived in excellent condition and very promptly. The shipping charges to Canada were very reasonable, esp. when compared to international shipping charges levied by some other model supply companies.
I have not yet tried the new servos as they will shortly be installed in a new Blaster 3 that is about to be built.
nicely built servo, very rugged for its size. First class next day delivery - thank you Neil.
Fast delivery.
These servos are tiny, too small for my intended use as MiniVec aileron servos but I will be fitting them into my Longshot dlg when I get the time.
Further update to follow.
Ordered these revised versions from Neil a month or so back. Received my order as soon as they came live on the site. Fitted to my Alula Trek for super smooth and rapid response using in DLG mode. Many Thanks!
Hyperflight refuse to sell servos to me, so I have to import these from Hong Kong.
Completely ruined my preparation for the F3K World Championships because of the delay. Great support for your national team ?
HyperFlight Response
Richard runs the Flyquiet forum. He banned me from it a few years ago without notice. It has always wrinkled, so when he placed the order I emailed:
If you would care to reinstate my neil stainton FlyQuiet forum account I will be happy to send this order.
- Neil.
Richard's reply was:
Hi Neil,
If you would be so kind to issue a refund.
Many Thanks
- Richard Swindells
He didn't reply when I asked why he wouldn't reinstate the account. I will of course be happy to supply him if he stopped excluding me from his forum, and posting partial comments.
I have these servo's in a Avionik F5D. The first version had problems with a fully charged 2S Lipo. Now I have installed the new v3's in the racer and after 8 flights I can say they are performing very good. Very little slop and fast on 2S directly. Hopefully they will last.
My recall replacement KST X08's arived the other day. These are the 'improve version', They were originally destined for a 'save weight progect' on my Avalon (4m Ava), so I was pleased that I could now continue.
What suprised me when I opend the box was the servo cable has been moved from the end to the bottom of the case, making traditional bearer or tray fixing much simpler. The X08 simply drops in as a snug fit giving more meat for the srews to bite on.
As I say 'traditional', modern glueing in is easy and often practical but the way I wish to mount the servos dictates a tray and screw job, the way I used to do it in the 70's
A very nice touch IMHO, simple and effective, as the bottom of the case is cut away, the wire exit is not interfeared with by structure. Be a good idea to show a pic., on the web listing?
Thumbs up from yours truly . . .
CJS
Price and specs on this servo are great. Performance not so much. I bought 2 of these servos and 1 failed out of the box on a 6V system. The failure and subsequent recall of these servos has caused unwanted delays in completing my Super Supra.
Ive ordered 4 times from hyperflight now, every time product has been dispatched promptly and arrived here (New Zealand) within a week or so. Great service, great products,helpful info if needed. My first choice for my F3k stuff.
Nice servo with accurate movement and holding power
No problems running 2S lipo
Servo wire could be a bit longer, about 25 mm.
Perfect...the deliverytime short, price o.k. and a very good processing qualityof the servos. The KST x08 are ideal as aileron servos for hand launch gliders. Just adjusting fast and suitable with 1 or 2S Lipo.
Tested them on the desk only so far. Feels well made, very strong for its size, barely noticable slop but a little slow at low supply voltage (1S).
Still one of the better servos at this size...
Have not yet flown with the servo's but tested them on the ground. They look precise rather quick and strong.
Work great in my MPX system, but they were not stable on my servo tester. These digitals probably need quicker update rate than 22 msec. I use 14 msec on my RoyalPro.
We have to see how they last in the Wings of my Helios-2 DLG.
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