Tinned copper braid

DIY Builds
#1

I need to router my deck for the battery wires. Does any one know what sort of size of braid I should be looking at equivalent to 10awg silicone wire?
I’ve found so that is ‘tinned copper braid 15mm x1mm’. I’m current running about 60a battery at 12s. Thanks

The cable will need to be about 40cm long

#2

1/4" braided copper is good for about 50 amps, and closest to 10 awg.

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#3

Since when does 10awg only do 50amps?

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#4

That’s what the chart that I just referenced says- 53 amps.

It’s probably like a residential wiring reference. They are conservative ratings.

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#5

So I should be alright with that then?

#6

Can you share more details? What kind of ESC, battery, board, etc? Just trying to get an idea of how much current you’re going to draw.

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#7

12s4p p42a battery, spintend ubox, mountain board.

#8

How much do you weigh, and do you live in a very hilly area?

#9

Thing is I don’t want to underrate the cable but I also don’t want to router any more of the deck than I have to.

I’m 100kg and not too many hills. I’m running 60 battery amps and I’m pretty happy with the power.

#10

If you’re using flat braid, have you considered just running it under the grip tape without routing the deck? I actually did this with 12AWG silicone wire on my eMTB and it works great.

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#11
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#12

Should be okay. 1/4" braided copper is probably good for at least 60 amps in the short runs we use, but I’ve never done any physical testing. Probably all boils down to how hot it is on any given day, and whether or not you’re climbing hills. I think 1/4" braided copper would be fine until you’re climbing hills for more than 5 minutes at a time. Then you want heavier conductors.

edit: I think we need to do more testing. I can find numerous different current ratings for the same size strapping. There is variances in thickness.

#14

Two pieces of 1/4" braided copper stacked on top of one another is perfectly acceptable.

#15

Yes I am going to run it under the grip tape I just though it would be better slightly routed in.

#16

Thanks mate really appreciate it.

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#17

Thinking about it, is there any reason I couldn’t just strip the inslation off some 10awg silicone cable and use that?

#18

As long as you properly protect it from shorts, and the environment, it should be fine. Just keep in mind that vibrations may cause chaffing of the insulation. If your phase wires short while in operation, it will immediately kill your ESC (I think).

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#19

I was thinking of maybe even epoxying it into the deck then gripping over the top. Do you think that would work?

#20

Yes. Sounds ideal.

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#21

https://www.amazon.com/gp/product/B01MEG9V2R/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

for my battery I used 3/8" tinned copper metal braid. Different application but the price difference is pretty negligible compared to 1/4". Heat shrink around it works well.