Endless Sphere

There's a perception that heavy transport will be the last sector to be disrupted by electrification, I think it will happen much sooner than the current thinking. As all of the rational people in this thread have discussed, it's economics that drive adoption and change. The economics for large truc...

With a blown controller here's your opportunity to try out something new! Over the years I've really come to value your advice and experience and have applied a lot of your accumulated lessons to my other rides. If I could give you one thing back in return, it's the huge impact of better controllers...

Hey John, how's the Madass going? Mine's still sadly in a million pieces, life has been getting in the way with setting up a business, building a workshop, international travel etc I'm working my way through the other projects and I'm going to be spending more time on getting this together, curious ...

It's a bit of stretch to extend the crumbling nature of the US to the rest of the world. The complete failure to adequately maintain or renew key infrastructure is a political issue, not the inevitable end-state of your much trumpeted energy catastrophe. On that note, I was pretty blown away travell...

Nice work! Any chance we can see the internals on the BAC? You're most of the way there already

For sale 48 modules from a 2012 Leaf, high 11 bar health battery, virtually no quick charges, in excellent condition. Modules are 2s2p, 60ah each. Also have all of the other pack components, bus bars, BMS etc if required $120 NZD per module, discounts available for quantity purchased. This works out...

Hello everyone I have a Max-e with a 20s 15p 82v when fully charged. When the battery gets to around 66v. If I full throttle is get a Low Batt alerts on the Adaptto display. Is there any way to change this in anyway so that the alert appears say at around 50v Many Thanks You could easily change thi...

Slowing aggressively (on the verge of locking rear tire) from about 50mph I can achieve about 60a back into my pack. This naturally only lasts for a few seconds. Decelerating at 4kw is somewhat similar to accelerating with 6kw, given losses etc. I've been doing this daily on this pack for 2+ years, ...

Yes my poor leaf's battery pack is degrading rapidly. All the 2nd hand Leaf's in New Zealand are imported from mainly Japan or the UK and are not covered under any form of warranty and Nissan are not providing any support. Replacement batteries are not available nor are any used cells whether Leaf ...

If it turns out there's more than a few people that want them in the US it probably would be cost effective for me to make up a sheet worth of spacers and send them all to you to distribute. I've machined lots of HDPE for battery enclosures, with low helix 1/4" 2 flute endmill with the right feeds a...

For anybody that wants to make more of these, I'd suggest purchasing 1/2" HDPE stock and cut the spacer in two layers. Split one layer north to south and the second east to west, rotate one half to nest inside the other. CNC cut, including the mounting holes so they all line up perfectly. This will ...

Looks great! Big fan of the LMX. Are you able to get yours road legal once assembled? Or is it very specifically only the complete builds by LMX?

Your math is correct, but the leaf doesn't charge above 4.1v for cell longevity reasons, so you'd need to add around another 10% to meet the original spec. Why 18650 replacement? Do you have an end of life gen 1 pack?

evolutiongts wrote: ↑

May 02, 2018 4:22 pm

I have both actually and I'm barely setting up the Mobipus 72 200A now

Cool. Let me know if you need any assistance with the Mobipus, I've been riding mine most days for well over a year.

evolutiongts wrote: ↑

May 02, 2018 1:27 pm

I just picked up a 4000W and 8000W BAC controller, fast shipping.

Very interested to hear of your experience. Did you end up picking up a Mobipus? That would be the most appropriate comparison...

Love you work Justin! Single pivot structure from the roof is inspired and strikes me as potentially more reliable and significantly more repairable. Are you going to make the footrest portion of your diagram pivot, this would remove the small (but perhaps troublesome over a long enough period) upwa...

The Samsung 30q cells are *rated* at 15a, however they will do substantially more than this. I have done discharge testing to 30a/cell. They sag a lot, get hot and won't last long if done regularly, but it's completely incorrect to state that your battery will only deliver 60a. If the controllers ar...

For anybody that's interested in purchasing one of the BAC4000 or BAC8000 units, you can go here. The website is kinda spotty and some of the links don't work, but I eventually found my way through to the shop. These kits aren't cheap, especially when compared to the Mobipus with very similar specif...

Specs sound good, however none of your photos work - photobucket is absolutely evil and should be avoided like the plague. I'd suggest attaching the photos directly to the post, this way they can't be black holed like so many other photos after photobucket changed their terms of service...

I use a Lenovo laptop power supply. It's tiny, solid state, super reliable and I had a bunch lying around. It delivers ~19v and they come in a variety of sizes/current capacities. These types of power supplies will happily run off a wide variety of DC voltages. I run all my lights from one of the do...

Hope things are going well with the CRX! I picked up a smashed 2011 Leaf a few days back, so once again have been trawling through the wealth of info here and on DIY Electric car forums. No doubt this has been answered at some point, but did you look at using the complete powerstage from the leaf in...

I really don't grasp the obsession people seem to have with charging rates. It comes up even more frequently than absolute range in conversation. If you have a range that's >3x your 99th percentile requirements and it's at full SOC every morning, who cares how long it takes to charge? I care more ab...

Stop trolling. You cannot possibly be that ignorant or misinformed. There's literally 70+ pages of him being that ignorant and misinformed. Economics, scientific principles, energy market dynamics - it takes impressive dedication to be so incorrect about so many topics! The oil age will not end for...

I have no doubt Tesla is a stressful place to work, given what they're trying to achieve that's pretty obvious. Yes - they're spending money, however that expenditure was all to achieve the required scale to achieve the vision. Elon has freely admitted they pushed too much automation too early with ...

Marcos what if Youtuber Gerard Morin is right, that these larger drum motors work best with higher voltage + higher frequency rather than higher current? How easy would it be to modify to have lets say an output of between 240-500volts and a frequency range between 15khz - 25khz. In one of his last...