More from Buddy RC →KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz
$94.99
In stock at buddyrc.com
The KST BLS915 V8.0 is a brushless HV swashplate servo for 600 to 700 class 3D helicopters. It delivers 25 kg-cm at 8.4V with 0.07 second speed, uses hardened steel gears in a finned CNC aluminum case, and is now programmable via the KST programming box or USB link.
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Highlights
- 18 to 25 kg-cm torque (6.0 to 8.4V)
- 0.09 to 0.07 sec/60 degree speed
- Brushless motor, hardened steel gears
- CNC aluminum case with cooling fins, rated to 65C
- 72g; 333Hz default, 560Hz with programming tool
Best for
Advanced 3D heli pilots flying 600 to 700 class machines.
Things to consider
- 560Hz mode requires the programming tool
- HV range 6 to 8.4V, so check your BEC
- Premium price per servo, usually bought in sets of three
Key specs
| Price | $94.99 |
|---|---|
| Voltage | 6.0 to 8.4V |
| Torque | 25 kg-cm at 8.4V |
| Speed | 0.07 sec/60 degrees at 8.4V |
| Weight | 72g |
| Gears | Hardened steel |
| Case | CNC aluminum |
Our take
A high-end cyclic servo for serious 3D heli flying.
KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz at a glance
| Brand | Buddy RC |
|---|---|
| Price | $94.99 |
| Type | Servo |
| Availability | In stock at buddyrc.com |
| Returns | Items can be returned within 30 days of receipt with an RMA code requested by email.… |
Price check
At $94.99, the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz is toward the top of Buddy RC's price range, whose 4,520 listed products run $1 to $9,999.
Similar items from other brands we track run $30.99 to $88.
Frequently asked questions
What helicopters is the KST BLS915 for?
KST positions it for 600 to 700 class 3D helicopters.
Which tail servo pairs with it?
The listing recommends the BLS905X or BLS805X HV brushless tail servos.
How much is the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz?
Buddy RC lists it at $94.99 on buddyrc.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a discount on the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz?
Buddy RC publishes these ways to save: Loyalty points with an account. Buddy RC sets the terms, which can change; our Buddy RC coupons page has the details.
What is Buddy RC's return policy?
Items can be returned within 30 days of receipt with an RMA code requested by email. Returns in new condition with original packaging have no restock fee; others are charged 10 to 20%, and shipping fees are not refunded.
How long does Buddy RC take to ship?
Orders placed before 2 p.m. EST usually ship the same business day from Columbus, Ohio, by USPS or UPS, with most packages arriving in 2 to 5 business days. Orders over $100 may ship free within the US, excluding most airplanes, and LiPo batteries ship only by UPS Ground.
Does the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz come with a warranty?
Buddy RC's published warranty terms: Products older than 30 days may be exchanged under warranty but aren't eligible for a refund. Specific warranty terms aren't published in the policy text.
Where can I buy the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz?
The KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz is sold directly by Buddy RC on buddyrc.com. The Shop now button on this page goes straight to the product there.
Is the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz in stock?
Yes. Buddy RC lists it as in stock on buddyrc.com as of our latest check. Stock and prices refresh throughout the day.
Is Buddy RC a legit store?
Buddy RC is a strong pick for RC pilots who need specific parts, power systems or helicopter spares from a US warehouse with same-day dispatch. Skip it if you want generous returns, since shipping is never refunded and returns that aren't in new condition carry a 10 to 20% restock fee. Confirm the exact part number and motor or frame compatibility before ordering, because most of the catalog is model-specific. Our full Buddy RC review covers shipping, returns and what to check before ordering.
Is the KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz expensive?
At $94.99 it is toward the top of Buddy RC's range ($1 to $9,999 across 4,520 products), and similar items from other brands run $30.99 to $88.
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