Discussions

Power Distribution

Posted by Bryan Anderson on February 24, 2014 at 6:23am

So I'm looking for some suggestions/feedback about power distribution. I have seen many cables and boards. I am looking to buy/build something that is relatively modular where as if I ever do need to switch out an ESC or some other electronic component, I don't want to have to desolder and then re-attach. Want it to be plug 'n play as possible. The electrical components I will be using for now are:

Motors:

https://www.hobbyking.com/hobbyking/store/__39435__NTM_Prop_Drive_Series_28_26A_1200kv_286w_short_shaft_version_US_Warehouse_.html

ESCs:

https://www.hobbyking.com/hobbyking/store/__52338__Afro_ESC_30Amp_Multi_rotor_Motor_Speed_Controller_SimonK_Firmware_US_Warehouse_.html

Battery:

https://www.hobbyking.com/hobbyking/store/__20753__Turnigy_nano_tech_2200mah_3S_45_90C_Lipo_Pack_USA_Warehouse_.html

I have seen the HobbyKing power distribution board for quadcopters, but I think my setup will exceed the limits. Please let me know. TIA.

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Replies

Jose E. Garcia Torres April 24, 2014 at 10:31am

Hi,

I don't trust much that motor the spec. look really low similar spec. are often seen for small quadcopter.

but aside form that u can use a y divider one connected to a power distr. and other to a bec if that you want.

you could use something like this:

http://www.ebay.com/itm/New-APM-PX4-4-axis-power-transfer-plate-Pow...

with this Y xt60 connector

http://i01.i.aliimg.com/wsphoto/v0/1422385079_5/DJI-Phantom-DIY-Bat...

so you can add this

http://www.readymaderc.com/store/images/LETSFPV-12V-UBEC-01.png

and like the other guy said the battery 2.2ah 90c, hmmn seem too much a 45 to 55C would be ok, but this really depend on how long do you want to fly. Suggestion a 5.5ah with a 30 to 55C it think it would be the same as that one but more flight time.

Hope this help,

Joseph
Bryan Anderson February 24, 2014 at 6:55am

@Euan,

After a quick googling, yes it does look a bit on the large side, also seems like its designed for Hexa.
Euan Ramsay February 24, 2014 at 6:52am

Chances are, you're fine running a quad via 3S on these board PDB's.

I have a gryphon power ring + BEC ring, and it's awesome. No power worries for me. The problem is it's size - it's a big ol' piece of kit. Though it's strange there are 4 x 12V outputs and only 2 x 5v outputs on the BEC, rather than the other way round. But hey-ho - I'm not complaining. I see Hobbyyking et al have ripped the idea too.

I'm also on the lookout for a 6S, 180A capable ring that can fit in a chassis space <5cm in diameter.