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Non BEC wiring for fixed wing

Captain Video

Well-known member
#1
Hi
I have a couple non BEC ESCs and want to use them in fixed wing applications. I am at a loss how to wire them up with or without a power distro board. Any advice?
Thank you in advance.
 

ElectriSean

Eternal Student
Mentor
#2
You need some sort of external BEC or regulating PDB to supply you with 5V to run the receiver and servos. Generally these will take a wide range of battery input and output 5V. PDB's with regulators are the easiest to make the physical connections, but are kind of overkill for a fixed wing as most are designed for multirotors. A simple splice at the battery connector or ESC power input pads is how I would do it.
 

w1lp33

Active member
#3
I pick up step down regulators for like $2 at my local electrical shop, and just add a second set of wires off the esc power pads to power them.
 

thenated0g

Drinker of coffee, Maker of things
Mentor
#5
i usually order a few 5v ubec's to keep on hand in case i have one of these. You could also go gasser style and use a 5v nihm pack. As mentioned step down regulators also work fine soldered off your main battery leads.
 

Captain Video

Well-known member
#6
On an FT Racer if i were to power it on 5v nihm pack, how long would use expect the pack to last under "normal" flight conditions?
Thanks
 

FoamyDM

Building Fool-Flying Noob
#12
Thank you I've been wondering this so as to work with the twin gremlin pack. (I don't remember seeing a BEC on the ESCs) or re-purposing the gremlin motors with their ESCs that work.