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Feb 24, 2020, 07:37 PM
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Mamba ESC comparison

So, I fried one my Mamba F405 40A ESC - landed on packed snow and little snowflake found its way onto ESC.
1/4 of board, including the yellow ceramic caps are charred.

I never really put much faith in the F40 board since its so unexpectedly inexpensive.

Mamba F40 40A ESC is a cheap option - but, you get what you pay for:
- $25 USD
- only the bottom is conformal coated. Dont rely on it. Highly recommend coat both ESC and FC
- important: the 3rd motor pads are smaller and on OUTSIDE of the mounting holes - can interfere with spacers, also also TOUCH your aluminum columns (conduct to frame!).
- its not BLHeli_32
- its rated 40A, but overall filtering is poor - total of 14 (oddly placed) ceramic caps. Included electrolytic cap a MUST. I was using 1000uF Panasonic with 6S.

But, when I went on Diatone website I was surprised how much different their new ESC are!

The ESC is like carousel, where 3 people are taking turns to spin you faster. But, the motors are quickly spinning up/down, causing lots of heat and electrical noise (voltage spikes).
Carousel in playground
Bigger more efficient NMOS transistors are desirable. More filtering capacitors is desirable.

Better 4in1 ESC from MAMBA?
$39USD - F35 - 6 ceramic caps - asking for trouble if using 6S with long battery cable!
$40USD - F50 - about 36 ceramic caps! compact design. No issue with mount holes.

$45USD - F50PRO - looks same as F50 design.
$62USD - F60PRO - tons of ceramic caps!

old 506 from F722 stack - about 15 ceramic caps.

HobbyWing 60A ESC - 12 ceramic caps.
HolyBro 65A ESC - 20 ceramic caps
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