Why?
20s2p
10s4p
Same speed (fix this in gears peopl won’t be riding 60-120mph), same range (Wh determines range not V), 20s would need less nickly to carry the same watts
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Yes. We have been work on our automotive ESC for 20-24S. Is base off our existing car ESC we already making for some time and have many million km of test.
11 Likes
I still see gear ratio been the issue we can’t have 170kv-190kv motors that seem the sweet spot with 12-72 gear ratios it won’t fit on the wheels.
100kv motors are a little less efficient will that be compansated by higher voltage means less loss from resistance?
Less Amps more v should result in less loss in motors but more loss in electronics due to heat
3 Likes
I suggest every one be careful with higher voltage. On 13S it actually tickle touching it. Over 60V it hurts.
And for Stormcore i suggest not going over 18S.
20 Likes
It’s not the voltage that scares me it’s the parts rated to max 60v that scares me with fire, street face or Bad time faults throwing me in to trafficking minimum 10% safety margin is recommended preferably 20-30% in electronics so I’m about to dip my toe in to 12s I’m not touching 13s until the max voltage tolerance is increased intrigued to see what higher voltage brings to our slower speeds over a bick that has a larger speed range.
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Always keep one hand in your pocket 
Atleast thats what I got told to prevent any accidents where current flows thru you heart(hand to hand). 50mA is enough to cause a heartstop according to the textbooks
5 Likes
12S is addictive I only have one board still on 10S you get used to the acceleration. Tried a 13S but killed a FS 6.6 dual so I Rebuilt the battery as a 12S. i like the idea of using bigger motors and cooler running. I might try out a 16S if I am lucky enough to get a 100D looking at bigger motors atm online. A dual 80100 setup is $600+, i never will want to faster than 60KM/hr done 57km on 12S and that was scary.
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I did work as a marine electrical engineer before on ships. Daily i was getting shocks from ac 220V, some mornings it was just refreshing after drinking hole night and was tiered 
One time i did a mistake and was hit by 440V AC, not so refreshing anymore 
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Hopefully you could dissengage in time or the fuse triggered?
Put my entire hand inside a PC psu once while live. heart rate went from 80 to 200 and whole house went dark.
Changed cooling fans on a 10kV transformer up in an windmill once as well. Not sure what was scarier, the fact that I had to trust someone to cut the power or the 60m free fall behind my back from laying on the cooling intake…
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Yea it was more touching a cable or plint by mistake with a short hit. Luckely i was never struck with power going true my body hehe
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why? any reason for this?
1 Like
Alot of motor windings is ok up to 18S.
Also i prefer to have some space up to max rated.
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Im keen to know what motors people have actually used and at what voltages (14s or over)?
@wandagoner maybe if people reply with their motors and voltages we could start to collect these known working setups in the top post.
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I know it have been tested on 6374 maytech, 6396 maytech, 6389 Lacroix and Raptor 2 hubs so far.
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tried those 6880’s?
also what voltages?
EDIT: im guessing 18s
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Not 6880 but they are the same as 6374 but with extra bearings so i gues they work to.
I only tested alot on 13S 6374 and 6396 and for a very short time 18S on those to.
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Yep both are 5N of torque, I am leaning towards 6396. These instead of 4X build I originally wanted to build next.
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Why not?
Pretty sure the raptor hubs got tested on 20s 
god only knows how they coped with that
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My guess would be well. More power for less heat, so long as they don’t explode.
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