Best Capacitor for 3" 4s

[Futuramille]

So I finished my third rebuild on my 3" Flyno Cerberus today.

I Have the same HGLRC 20x20 stack in my 3s 2" cerberus.

It doesn't need a capacitor really..

.... Buuut, If I need one on the 3", which of the below would be best and why? Ill be putting it on the battery plug wire close to the XT60

 

[Futuramille]

Receipe =
Flynoceros Mini 3" Cerberus
hglrc F420 20x20 w/20A 4in1
Brother 1407-3600kv
runcam micro eagle
XM+ RX
TBS unify pro HV race
Foxeer lollipop RHCP

 

[tevek]

So I finished my third rebuild on my 3" Flyno Cerberus today.
View attachment 3629
View attachment 3630View attachment 3631
I Have the same HGLRC 20x20 stack in my 3s 2" cerberus.
View attachment 3634
It doesn't need a capacitor really..

.... Buuut, If I need one on the 3", which of the below would be best and why? Ill be putting it on the battery plug wire close to the XT60
View attachment 3632View attachment 3633

From the little I know, for filtering purposes, the larger uF cap used on the xt connection was more of a broad brush filtering effort that accommodated the entire board(s),esc’s and could mask any poor soldering efforts during a build. The smaller uF caps (370) were targeted at fitting to the esc’s which are usually the source of any floor noise due to them managing the output of each of the motors. You can run smaller V caps when using lower cell motors as your not likely to punch through the cap, whereas the larger 4,5 and 6S quads probably defer to the 35V due to the voltage sag and and current draw when flying and doing punch outs.
I’ve noticed on my chameleon ti 6 that they use LC filtering but still include an additional 35v 1000uF cap and I certainly have no issues with video breakup when flying.
Having said all that I’d be looking at a lower uF for your Cerberus, I run those on my baby hawk pro and x140 furibee(25v 370uF).
P.s. I’d love to get a flynoceros 3” set up but the cost in AUD is outrageous.

 

[Futuramille]

thanks for that info Tevek! Ill be doing setup and maiden this week. hopefully its not even needed at all. The f420 stack came with the green 1000uF.
Ill keep y'all posted.