Hold on tight and prepare to go.....SLOW and in control! Spektrum's Firma sensored crawler system with SMART Technology will help you crawl like a 10 month old baby...a very smart 10 month old baby (oh...it's waterproof too...so a very smart 10 month old baby that can swim). That SMART Technology will let you program the ESC from a SMART compatible transmitter–like a DX5C, DX5 Rugged, or DX5 Pro.
To get you on the trail as quickly as possible, so you can go as slow as you want, they come ready to install. This means the 60A Sensored BL Smart Crawler ESC has the fan mounted and IC3 connector installed, and the motor already has the bullets soldered on to plug directly into the ESC.
The smarts of this go beyond the SMART Technology, it also has intelligent speed and torque control to help it maintain the RPM levels as the terrain you are on changes. This is coupled with their smart power efficiency that only delivers the power you need for the amount of throttle you are using. This allows for long run times on the trails.
Speaking of power. The ESC also has a BEC you can switch between 6V or 7.4V if your servo can handle 7.4V. Most of my crawlers are running REEFS Triple 5 or Triple 4 servos and I like the extra speed and power I get from 7.4V.
Now that we've covered some of the features of the ESC, lets talk about the 3 motor options available: 1400Kv, 2100Kv, and 2800Kv. All 3 motors are 4-pole 8-magnet rotor design with a 1/8" output shaft and are capable of 2-3s power. The 1400Kv will have more torque with less top-speed and the 2800Kv will have less torque with the most top speed. The 2100Kv sits in the middle and has the best balance of speed and torque–which is probably why they offer that as a combo with the ESC that saves you about $50 over buying the ESC and Motor separately.
If this is the system you have been looking for, I have affiliate links to sites you can order them from (prices may change over time):
Firma Sensored Brushless Combo $229: Horizon Hobby, Amain, Amazon
Firma Sensored 60A ESC $159: Horizon Hobby, Amain, Amazon
Firma 1400Kv Sensored Motor $119: Horizon Hobby, Amain
Firma 2100Kv Sensored Motor $119: Horizon Hobby, Amain
Firma 2800Kv Sensored Motor $119: Horizon Hobby, Amain
Features:
Smart all-in-one telemetry
Pro-level Performance Sensored Motor and ESC
Fast, powerful 32-bit ARM M4 processor
Multiple options for easy programming:
Smart ESC Programming Box (V2 version required)
SmartLink USB Updating and Programmer application
Programming from Transmitter via Text Gen Telemetry
Multi-point protection:
Over-current protection
Automatic LiPo low-voltage cutoff
Thermal protection
Failsafe protection
Developed and designed by Spektrumâ„¢ engineers, in partnership with the industry's leading ESC manufacturer
Compact for easy installation in most applications
Ready to install — no soldering required
Waterproof System
Waterproof sensor wire with locking plug and gasket
Aluminum heat sink for high efficiency
Includes Optional Cooling fan
Adjustable high-power BEC (6V or 7.4V)
Firmware updatable through the Smart ESC Programming Box (V2 version required)
High heat-resistant ICâ„¢ connectors, backwards compatible with ECâ„¢ connectors
Limited 1-year warranty
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