More from Buddy RC →KST SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec
$89.99
In stock at buddyrc.com
The KST SV905-12 HV is a brushless tail servo for 550 to 700 class RC helicopters, rated 17 kgf.cm at 0.040 sec/60 degrees at 13V. It runs directly on 8 to 13V or 2S to 3S LiPo and uses a 760us/560Hz frame rate. It has a hardened steel gear set and CNC aluminum case.
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Highlights
- Brushless DC motor, high voltage 8V to 13V
- Direct drive from 2S or 3S LiPo
- 760us / 560Hz tail frequency
- Hardened steel gears, CNC aluminum case
- Dual ball bearings, programmable
Best for
Helicopter pilots in the 550 to 700 class who need a fast tail servo.
Things to consider
- Tail-only frequency means it won't suit standard 1520us channels
- Program at the correct voltage per the tool manual
- Needs a high-voltage capable power system
Key specs
| Price | $89.99 |
|---|---|
| Torque | 13 / 16 / 17 kgf.cm at 8.4 / 12 / 13V |
| Speed | 0.06 / 0.045 / 0.040 sec/60 |
| Voltage | DC 8.0V to 13V |
| Frequency | 760us / 560Hz |
| Dimensions | 40.5 x 20 x 38 mm |
| Weight | 70 g |
Our take
A fast, strong brushless tail servo for big helis on HV power.
KST SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec at a glance
| Brand | Buddy RC |
|---|---|
| Price | $89.99 |
| 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 $89.99, the KST SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec is toward the top of Buddy RC's price range, whose 4,618 listed products run $0.25 to $9,999.
Frequently asked questions
What helicopters is it for?
KST designed it for 550 to 700 class tail rotors.
Can it run on 12V directly?
Yes. It is rated 12V and supports 8 to 13V or 2S to 3S LiPo direct drive.
How much is the KST SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec?
Buddy RC lists it at $89.99 on buddyrc.com. We refresh prices throughout the day, but always confirm the final price at checkout.
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 SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec 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 SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec?
The KST SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec 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 SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec 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 SV905-12 HV Brushless Metal Gear 17Kgf.cm 0.04sec expensive?
At $89.99 it is toward the top of Buddy RC's range ($0.25 to $9,999 across 4,618 products).
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