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Description
mini digital servo metal gear KST DS315MG V8.0 Mini Digital Metal Gear Coreless Servo 4.8kg 0.07secThe KST DS315MG V8. 0 Mini Digital Metal Gear Coreless Servo is a compact mini servo for RC helicopters and other small control systems that need fast response in a micro class package. KST positions it as a lightweight, high speed metal gear servo with a coreless motor. Verified KST data lists a DC 4. 8V 8. 4V voltage range, up to 4. 8Kgf. cm stall torque at 8. 4V, and 0. 07sec 60deg no load speed at 8. 4V. It uses a coreless DC motor, hardened steel
The KST DS315MG V8.0 Mini Digital Metal Gear Coreless Servo is a compact mini servo for RC helicopters and other small control systems that need fast response in a micro-class package. KST positions it as a lightweight, high-speed metal gear servo with a coreless motor.
Verified KST data lists a DC 4.8V-8.4V voltage range, up to 4.8Kgf.cm stall torque at 8.4V, and 0.07sec/60deg no-load speed at 8.4V. It uses a coreless DC motor, hardened steel gears, potentiometer feedback, an aluminum alloy case, and 2 ball bearings.
With a 23 x 12 x 27.5mm case, 25T 5mm output spline, and about 20g weight, DS315MG V8.0 is a practical choice for compact helicopter or aircraft servo bays.
Product Images
Features
- 4.8Kgf.cm peak torque - Listed stall torque reaches 4.8Kgf.cm at 8.4V.
- 0.07sec fast response - Listed no-load speed reaches 0.07sec/60deg at 8.4V.
- DC 4.8V-8.4V range - Supports both lower-voltage and HV receiver systems.
- Coreless DC motor - Supports smooth response in compact applications.
- Hardened steel gears - Adds durability for helicopter linkages.
- Aluminum alloy case - Provides a rigid compact housing.
- 25T 5mm output spline - Uses the listed spline for matching horns.
- 2BB construction - Uses dual ball bearings for output support.
- 140deg default travel - Default travel is listed as +/-70deg.
- Programmable soft start - KST lists soft start and programmability.
Specifications
| Parameter | Value |
|---|---|
| Model | KST DS315MG V8.0 |
| Shopify SKU | KST-DS315MGV80 |
| Rated Voltage | DC 6.0V |
| Voltage Range | DC 4.8V-8.4V |
| Stalling Torque | 2.8Kgf.cm @ 4.8V; 3.5Kgf.cm @ 6.0V; 4.3Kgf.cm @ 7.4V; 4.8Kgf.cm @ 8.4V |
| No-load Speed | 0.10sec/60deg @ 4.8V; 0.09sec/60deg @ 6.0V; 0.08sec/60deg @ 7.4V; 0.07sec/60deg @ 8.4V |
| Working Frequency | 1520us / 333Hz |
| Default Travel Angle | +/-70deg = 140deg total |
| Command Interface | PWM command; pulse length 800us-2200us |
| Output Shaft Spline | 25T, 5mm |
| Case Material | Aluminum alloy |
| Motor Type | Coreless DC motor |
| Gear Set Material | Hardened steel |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Case Dimensions | 23 x 12 x 27.5mm +/-0.2mm |
| Weight | 20g +/-10% |
| Temperature Range | -20C to +65C |
| Soft Start | Programmable |
| Programmable | Yes |
Reference Documents
Application
- RC helicopter cyclic control - Suitable for compatible cyclic servo positions after checking size and load.
- Swash plate control - Supports precise PWM actuation where speed and torque match the helicopter setup.
- Helicopter upgrade projects - Can replace compatible servos after checking voltage, spline, travel, and case size.
- HV receiver systems - Works within the listed voltage range when powered correctly.
- Fast control linkages - Useful where fast 60deg response is required.
- Custom PWM mechanisms - Can be used in non-heli mechanisms that match the servo load and signal requirements.
Packing List
| Description | Quantity |
|---|---|
| KST DS315MG V8.0 mini servo | 1 |
| Plastic servo horn | 3 |
| Mounting screw | 2 |
| Servo horn screw | 1 |
FAQ
How does DS315MG differ from X12-708?
DS315MG uses a coreless motor and lists 4.8Kgf.cm at 8.4V. X12-708 is a brushless micro servo with higher listed torque of 9.3Kgf.cm at 8.4V.
Does OpenELAB list multiple Shopify variants for this product?
No. The current Shopify product is a single variant with SKU KST-DS315MGV80.
What is the maximum listed torque?
The technical specification lists 4.8Kgf.cm at 8.4V.
What is the fastest listed speed?
The fastest listed no-load speed is 0.07sec/60deg at 8.4V.
What is included in the package?
The package includes one DS315MG V8.0 mini servo, three plastic servo horns, two mounting screws, and one servo horn screw.
What voltage range does it support?
The listed voltage range is DC 4.8V-8.4V.
What spline does it use?
The technical specification lists a 25T, 5mm output shaft spline.
What should I check before installation?
Confirm the 23 x 12 x 27.5mm case, 25T 5mm spline, voltage range, and control linkage geometry.
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
my new favorite book
Format: Kindle
Ok so I never write reviews but this book was so good I felt the need to write this. Firstly your introduced to Huntyr you see her closed off hard core badass than towards the end you see the most subtle change and growth it’s amazing and the enemies to friends to lovers was just perfect, AND THE TWIST AT THE END GOT ME GOOD! You see one spicy scene the whole book but it doesn’t even MATTER BECAUSE THE BOOK WAS THAT GOOD. I’ve read 85 books in 2023-2024 so far and I’m pround to say this is my all time favorite. I’m so excited to read more of Emily Blackwoods books, this was my first time reading one of hers and I’m glad I did because HOLY!! Well done Emily well done
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Reviewed in the United States on February 23, 2024
★★★★★ 4
Fast paced romantasy you will not want to put down!
Format: Kindle
4.25 stars! I LOVED this book with similar vibes to Hush Hush, Fourth Wing, and The Serpent and the Wings of Night! It was fast paced with easy world building and will keep you turning the pages late into the night because you will not want to put it down!
Huntyr is a fierce bad@ss FMC trained to kill vampyres her entire life. She is sent on a mission to go to the academy and earn her spot into The Golden City. Upon arrival, she is forced to room with the delicious fallen angel, Wolf, who is the only one who knows about her assassin identity. The romance, the plot twists, the secrets revealed, the battles, and the tantalizing training scenes had me hooked! And that ending…. I’m holding my breath in need to know hell!
Read if you love:
🪽 Fae, Vampyres, Fallen Angels
🪽 Academy setting with magical trials
🪽 Forced proximity and slow burn
🪽 Rivals to lovers
🪽 Hidden identities and secrets
🪽 Tend your wounds
“𝘖𝘧 𝘤𝘰𝘶𝘳𝘴𝘦 𝘐 𝘸𝘢𝘴 𝘸𝘢𝘵𝘤𝘩𝘪𝘯𝘨 𝘺𝘰𝘶. 𝘐 𝘤𝘰𝘶𝘭𝘥𝘯’𝘵 𝘭𝘰𝘰𝘬 𝘢𝘸𝘢𝘺 𝘧𝘰𝘳 𝘢 𝘮𝘰𝘮𝘦𝘯𝘵, 𝘦𝘷𝘦𝘯 𝘪𝘧 𝘐 𝘵𝘳𝘪𝘦𝘥.”
“𝘐𝘧 𝘺𝘰𝘶 𝘸𝘢𝘯𝘵 𝘮𝘦 𝘰𝘯 𝘮𝘺 𝘬𝘯𝘦𝘦𝘴, 𝘏𝘶𝘯𝘵𝘳𝘦𝘴𝘴, 𝘢𝘭𝘭 𝘺𝘰𝘶 𝘩𝘢𝘷𝘦 𝘵𝘰 𝘥𝘰 𝘪𝘴 𝘢𝘴𝘬.”
“𝘠𝘰𝘶 𝘥𝘰 𝘯𝘰𝘵 𝘬𝘯𝘰𝘸 𝘵𝘩𝘦 𝘷𝘪𝘰𝘭𝘦𝘯𝘤𝘦 𝘵𝘩𝘢𝘵 𝘳𝘶𝘯𝘴 𝘵𝘩𝘳𝘰𝘶𝘨𝘩 𝘮𝘺 𝘷𝘦𝘪𝘯𝘴, 𝘣𝘦𝘨𝘨𝘪𝘯𝘨 𝘮𝘦 𝘵𝘰 𝘰𝘣𝘭𝘪𝘵𝘦𝘳𝘢𝘵𝘦 𝘢𝘯𝘺𝘰𝘯𝘦 𝘸𝘩𝘰 𝘭𝘢𝘺𝘴 𝘢 𝘩𝘢𝘯𝘥 𝘰𝘯 𝘺𝘰𝘶.”
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Reviewed in the United States on June 12, 2024
★★★★★ 5
Excellent Rivals to Lovers!!
Format: Kindle
The tension and banter between Huntyr and Wold was delectable. I absolutely love the fallen angel and all of his flaws. Huntyr is amazing too being a badass FMC with some major trauma. The world building was great and I enjoyed the training aspect of the story. The writing was immersive and was in the story the whole time. The ending had quite a twist that I hadn’t anticipated and made my jaw DROP. Excellent job! I also loved the narration. Laura is one of my fave narrators!
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Reviewed in the United States on August 15, 2025
★★★★★ 5
Fallen Angels, fae, vampires, oh my!
Format: Kindle
Rating: 4.5 | Spice: 2 (but a good slow-burn)
•
Main Characters: Huntyr and Wolf
•
I couldn’t wait to read this book; there was so much hype about it! And there was no doubt why. I fell in love with the characters and the plot itself. This book is mainly plot driven more than friction driven but it’s easy to follow along with. The characters are fun, easily understood. The main setting is at an academy where both the main characters are going through trials and building strength for the final test, The Transcendent. There are fantastic side characters as well. I loved the camaraderie between Huntyr and her friends. But we don’t like Lanson. 😆
We do have some plot twists that come into play throughout the book. Secrets and betrayal to be seen. I did adore Wolf and Huntyr’s relationship. It was a classic slow burn trope. They didn’t hit it off fast, but in time their feelings grew. I loved their banter, so sexy. Wolf is your next book boyfriend; Huntyr is your next vampire assassin independent bad-a*s female. Themes include loyalty, trust, self-discovery, a true slow burn romance. Side note: book ends on a angsty cliffhanger!
•
Emily, thank you for writing this awesome novel and I cannot wait to devour Book 2, Blood So Brutal! 😍
•
Happy reading, my lovelies! xo
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Reviewed in the United States on January 21, 2024
★★★★★ 4
“My heart bows to you and you only, Huntress.”
Format: Kindle
3.5 🌟
This book popped up in my KU recommended reading suggestions and the synopsis sounded like what I was in the mood for. I'm so glad I took a chance on it. I went into this knowing absolutely nothing about it and ended up really liking it. I love when this happens.
The main characters are likeable and I easily found myself rooting for them. There is a mystery element to each of their backstories that I enjoyed watching unfold and can't wait to get more of. Wolf, in particular, has me fixated. Love him.
I found this to be an entertaining, addictive read with a plot that moves along at a good pace. It reads so easily I found myself very reluctant to put it down. Lots of twists and turns and the angst is there. A good set up for the next book to come, for sure.
My issues with this book....the dialogue feels a bit juvenile at times and there is a repetitive over use of a particular word phrasing that I found myself giving the ole eye-roll to. There are, without a doubt, some pretty cliche moments that gave me a bit of the cringe. I think this could've certainly 100% benefited from more depth regarding the world building. Perhaps the world building was sacrificed to keep the pacing quick? Just a guess. Also, the lack of consistency of character for the FMC was really evident and so she feels quite illogical at times.
Overall, this was a fun and enjoyable read that hit the spot well enough for me. That ending certainly has me impatiently pining for book 2!
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Reviewed in the United States on June 18, 2024