SKU: 46760985967

Flycolor Raptor Slim 40A 2-4s BLHeli_S ESC

Sale price$9.11 Regular price$10.12
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Flycolor Raptor Slim 40A 2-4s BLHeli_S ESCIn the adrenaline pumping world of drone racing, every gram and millimeter counts. That's why the Raptor Slim, an ultra narrow single Electronic Speed Controller (ESC), is turning heads and propellers alike in the drone community. Weighing in at a featherlight 9g and sporting a slender 10mm width, this ESC is the dream come true for racing drones with slim arm designs. Let's dive into the nitty gritty of what makes the Raptor Slim a must have for any

In the adrenaline-pumping world of drone racing, every gram and millimeter counts. That's why the Raptor Slim, an ultra-narrow single Electronic Speed Controller (ESC), is turning heads and propellers alike in the drone community. Weighing in at a featherlight 9g and sporting a slender 10mm width, this ESC is the dream come true for racing drones with slim arm designs. Let's dive into the nitty-gritty of what makes the Raptor Slim a must-have for any serious drone racer.

Features That Make Your Drone Zoom

Powerhouse Performance in a Slim Package

The Raptor Slim isn't just about its sleek dimensions. It's packed with features that ensure your drone flies like a champion:

  • EFM8BB21F16G MCU: At the heart of the Raptor Slim lies the EFM8BB21F16G microcontroller unit (MCU), based on the pipelined 8-bit C8051 core, buzzing at a maximum frequency of 50MHz. This little powerhouse ensures that your drone responds swiftly and efficiently, making those tight turns and high-speed maneuvers with ease.
  • Silky Smooth Startups: Thanks to its dedicated high-frequency driver, your drone gets a smoother start, eliminating jitters and providing a seamless takeoff experience. Plus, with a max speed of 500k eRPM, your drone will be zipping through the course with the grace of a gazelle on a caffeine buzz.
  • BLHeli_S Firmware: Designed specifically for the high demands of multirotors, the BLHeli_S firmware brings to the table hardware-generated motor PWM. This means smoother throttle response and quieter operation, letting you sneak up on your competition like a ninja in the night.
  • Damped Light & Regenerative Braking: The Raptor Slim isn't just fast; it's smart. With damped light technology, it offers regenerative braking, providing rapid motor retardation and active freewheeling. This feature is like having ABS for your drone, ensuring you maintain control when decelerating from breakneck speeds.
  • Signal Support & Detection: Whether you're a fan of traditional PWM, Oneshot, or Multishot, the Raptor Slim has got you covered. It automatically detects the input signal upon power-up, making setup a breeze. Plus, with support for Dshot150, Dshot300, and Dshot600, you get a robust digital signal with excellent anti-interference capabilities.
  • Enhanced Throttle Cable: The throttle signal cable comes with a silicone twisted-pair design, enhancing its durability and reducing crosstalk. This means more stable flights and a reduced chance of your drone throwing a tantrum mid-air.

Specifications:

  • Power Input: 2-4S Lipo
  • Continuous Current: 40A
  • Instantaneous Current: 50A
  • BEC: Nope, none here.
  • MCU: EFM8BB21F16G
  • Operating Frequency: Up to a whopping 50MHz
  • Firmware: BLHeli_S C-H-40
  • Dimensions: 35x10x7mm - Yes, it's that slim!
  • Weight: 9.1g - Lighter than a packet of crisps!

Includes

  • 1x Raptor Slim 40A ESC
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 46760985967

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Cassie
Natrona Heights, US
★★★★★ 5
Nice Value
Color: Consuela the Cactus - Large, Size: Large Dog
Very cute! Its soft and feels like it is well made. It is a heavier toy and a tougher one. Not a plush toy. I will order again for our older dogs. Nice value for sure!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
B
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Blakely McAllister
Grantham, US
★★★★★ 5
Great toy for our best boys!
Color: Consuela the Cactus - Large, Size: Large Dog
You can never go wrong with BarkBox toys and this was no exception. Our dogs like toys that have squeakers and that they can tear into. This style of toy fits the bill. The design is cute as well. I’ve had this in the house for months and, while it’s definitely seen better days, it’s still intact and they haven’t gotten to the inner layer. (Not for want of trying.) The perfect type of toy for our fur babies.
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Reviewed in the United States on February 10, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Survives 7 months so far.
Color: Christmas Consuela, Size: Large Dog
It is still intact after nearly 7 months of constant play. My blue heeler normally destroys toys in just a few weeks. Consuela has exceeded expectations of survival with an extremely chewy, destruction prone dog.
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Reviewed in the United States on June 6, 2026
D
Verified Purchase
D. Thomas
Birmingham, US
★★★★★ 4
Short-lived but much enjoyed as a chew toy
Color: Consuela the Cactus - Large, Size: Large Dog
I bought two of these for my "granddogs" in the size for Large dogs. The German Shepherd-mix stole the one intended for the border collie-mix and had both toys halfway destroyed within a day--I'm pretty sure they didn't survive much longer after that. Much enjoyed! Maybe I should've bought the Extra Large size, because the Large barely fit in her mouth and she wanted to play tug-of-war, so there wasn't much for me to grab onto. Then the border collie wanted in on the action (she's older, so she needed help tugging!) but there wasn't enough material for her to grab onto without accidentally sinking her teeth into me instead.
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Reviewed in the United States on December 9, 2025
R
Verified Purchase
Ryan Davisson
Charlottesville, US
★★★★★ 5
Best dog toy!
Color: Air Head, Size: Large Dog, Color: Air Head, Size: Large Dog
I got this toy for my dog who loves squeakers not only is it a two in one it actually has three toys inside which I think is amazing!! 10/10 recommend
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Reviewed in the United States on June 11, 2026

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