Uploaded February 2022 | Updated September 2026, 3 weeks ago

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The FETTEC 45A 4in1 ESC boasts some pretty impressive technical specs 128KHz PWM, Full Sinusoidal Commutation, and has a price to match. Let's learn a bit more about it and put it up against BLHeli32 and BlueJay!

AOS UL5 - Launch video coming soon! cncdrones.com/AOS-UL5_p_1139.html

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AOS Frames: aos-rc.com

0:00 Introduction
0:43 FETTEC - Fettec 45A 4in1
2:07 Full Sinusoidal Commutation
3:38 BLHeli32 Sinusoidal Drive
4:03 Efficiency and Thrust
5:05 Sinusoidal vs Trapezoidal Motors
7:20 Motor Responsiveness
10:12 Smoothness
11:39 FETTEC EMI issues
14:18 Conclusions
17:04 PSA: Update your FETTEC ESC Firmware