Endless Sphere

Motor $350: https://www.aliexpress.com/item/4000076478471.html?spm=a2g0s.9042311.0.0.614e4c4d2OIcNl 13T sprocket$13: https://www.ebay.com/itm/223419406509 This is the closest I could find online. I can probably machine it a bit if its too small. Custom rear sprocket $103: https://sprocketspecialists...

Well the motor has just arrived which was lightning fast. I immediately hooked it up to the Mobipus for an rpm test. I was able to get it to spin over 4,600 rpm which is what QS is advertising. Just spinning it on the stand you can tell this motor is an absolute beast, I really can't wait to get it ...

Well got the Big Block sold, on to the next one. Placed an order with QS for the 138 2000w mid drive motor with 12t 428 sprocket. You know what they say "No QS Motor, No super EVs!". I think I'll finally be happy with the bike if I can make it work. Power wheelies should be no problem and hill climb...

As far as temp sensors there's a few ways you could go. I ordered some lm35 because my Mobipus can read them, but they haven't shown up yet. I would go with the link below and epoxy it inside the motor. You can do this by drilling a hole near where the wires exit the motor and epoxy it inside. The m...

John, thanks for the reply. The motor is from the link below. The kit is for an eeb, I modded the bracket to run right side drive on my eeb. The black bracket next to the motor is all that comes with it (from the kit) to mount it.You can see a video of it running on my eeb on my YouTube channel. htt...

Kelly controller ( KDS48200E) 48v 200A Dc motor controller and programming cable------$70 shipped MY1020 36v 800w DC motor------------- $40 shipped EEB 42t (crank) sprocket (NEW) ----------$25 shipped U.S buyers only! Let me know if you want more pics or need more info on any of the items. Thanks fo...

Made a bit of progress with it all, mainly in getting the pegs mounted which is so much better than the pedals! A bit of bad news with the build. I've come to the conclusion that the motor is just a little too small for my power needs. The motor performance isn't too bad, it's capable of putting out...

Yeah don't skimp on the battery, that's the heart of the bike. It's a bit pricey but I was ok with paying because I didn't have a spot welder at the time. If you want to save some cash you could build it yourself if you feel comfortable enough. I build my packs now, but it's kind of nice to just pay...

Nice fab man. Looking forward to seeing this rip.

I have the battery below, it fits perfectly and has been problem free.

https://em3ev.com/shop/em3ev-72v-20s10p ... ah-29-5ah/

mcclead, welcome to the forum. You can run a 2.5" wide tire on that rim, I've run a few different types. Right now I'm running a shinko 241 and it's 2.75" wide. I've also run a dunlop knobby (70/100-19), you can run just about any motorcycle tire that's 19". Hope that helps. Well I was able to get t...

Made some more progress on the bike this past week. I've been putting in more hours working form home so spare time has been a bit more limited, especially with the family home as well. In the past week I was able to get the motor mount fully welded and got the new mounting holes drilled out as well...

Made some progress on mounting the motor. I was able to do most of the machining and fabrication to mock up the motor, but it is all only tack welded for final fitment. I'm hoping to be able to keep the pedals to look the part and the pic below shows how I hope to tackle the problem of the chain bei...

ossivirt, thanks for the kind words, and yes I am a fabricator. The option to have the motor in the swingarm is the best option in my opinion. Making another swingarm isn't off the table. The plan is to mount the motor to this swingarm and likely make another. In the process of mounting the motor un...

Well I've been thinking a lot about how I want to mount the motor and have come up with a new orientation. There are some pros and cons to the new mock up,so I would love to hear some feedback. The pros I see here are obviously more ground clearance than mounting it under the swingarm. The next pro ...

Dung, thanks for the update. Glad you made progress, sorry to hear how it went though. Good luck with it all and be sure to post some pics on the forum. So it's been too long, but finally I've made some progress worth posting. The big block finally showed up today and it's a beaut. Mike (Lightning R...

Hey Muney, not much progress other than saving some money every paycheck for the new motor. I'm not sure if you saw above, but I've abandoned the idea of the qs138 motor because it's simply too large. The new plan is to go with Lightning Rod's new ipm big block. The last 2 things I need are the moto...

You are correct, not all windings are equal. I contacted that mfg and just asked for their 8" motor that spun the fastest (I wasn't too specific). I was able to hit 36 mph, GPS verified on a bike trail near the house. I also keep it pinned for 1/4-1/2 mile at a time when riding it in SF, some street...

I'm running something similar on my dual hub scooter. They were listed as 36v motors but I run them at 18s. If you run 2 they RIP! Top speed is like 36 mph w/o field weakening and acceleration is insane (running lyen 9fet controllers). I'd recommend getting one with a disc brake mount as band brakes...

I bought a 72v 25ah battery made of 25r cells from EM3EV. All I can say is they were amazing to deal with from start to finish. Excellent communication, great price, and awesome product.

I have no experience with luna.

FWIW

Thanks for the info. I'm running the wifi module as well and have a tablet setup, but the aspect ratio isn't big enough to fit everything you have on yours. Might just pick a used one up from ebay.

Sweet! Happy to help.

John glad you got a chuckle, don't die and post a video of the build. Didn't know we were competing but I'd be happy to race in an off-road setting, let me know if you're ever in Cali. @efMX that second line lmao, thanks for the chuckle :lol: Luckily the parts I need to get my bike going are just up...

There ya go. Make sure the time key is on your desktop so that when you launch the software, it reads that time key. In the "controller setting" tab you should see that you have engineering access (see pic) which is not on a time limit. After that you can change settings like regen and flux weakenin...

Hey John, that's a damn good idea, wish I thought of that. I've seen a few swingarms on here (vector maybe) that have vertical slots, those guys will probably have much better luck. So as far as the build, the current plan is to get the big block and mount it under the swingarm. I would love to moun...