250w hub motor scooter mod log

Lightweight / Folding / Portable EVs - seats optional
shortcircuit911
100 W
100 W
Posts: 205
Joined: Feb 19, 2010 1:24 pm
Location: Antioch, CA

Re: 250w hub motor scooter mod log

Post by shortcircuit911 » Aug 28, 2017 1:39 am

@mackyyy motor temp is not an issue with this setup. The high voltage allows these motors to pull less current but they still perform well.

@EG, The charger is bad ass man. It's still going strong with no issues.

I'm starting to have a bit more time to get this thing finished. Last time I posted I blew the rear tire. Since then I picked up 2 and got the rear replaced. I also let my coworker ride it which wasn't a good idea (he's in his 60's) and it immediately got away from him. The scooter flipped and landed on the side ruining both calipers and the front rotor. I've replaced the calipers, but I'm waiting on the new rotor. There is a small current leak in my setup, EG thinks its coming from the caps in the controllers. Rather than replacing them, I'm adding a high power switch to the scooter. I also just started on the new deck. I should have some progress pics to show soon.

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ElectricGod
100 kW
100 kW
Posts: 1444
Joined: Nov 01, 2015 5:24 pm

Re: 250w hub motor scooter mod log

Post by ElectricGod » Aug 28, 2017 3:46 pm

shortcircuit911 wrote:@mackyyy motor temp is not an issue with this setup. The high voltage allows these motors to pull less current but they still perform well.

@EG, The charger is bad ass man. It's still going strong with no issues.

I'm starting to have a bit more time to get this thing finished. Last time I posted I blew the rear tire. Since then I picked up 2 and got the rear replaced. I also let my coworker ride it which wasn't a good idea (he's in his 60's) and it immediately got away from him. The scooter flipped and landed on the side ruining both calipers and the front rotor. I've replaced the calipers, but I'm waiting on the new rotor. There is a small current leak in my setup, EG thinks its coming from the caps in the controllers. Rather than replacing them, I'm adding a high power switch to the scooter. I also just started on the new deck. I should have some progress pics to show soon.
People occasionally ask if they can ride my EV's...99% of the time the answer "no way". I have one friend that I trust on them...everyone else...not going to happen. They just can't handle what we consider to be "decent performance". It's why factory made EV's are so lame and weak. I want an EV that I have to hang on to or else it will leave me behind. I want it to pop wheelies and be able to do them at 30% throttle and be able to out accelerate most cars. If it can't do that, then back to the drawing board! On my Currie, There's settings in the controller I can do and then via a switch select 3 power settings. I haven't bothered, but I thought about setting a couple of user modes so that it is horrible and slow and lame at the flip of a switch or fast like I want. That way I can possibly hand it to a noob and they won't get into trouble so easily.

I'm glad the charger is working out!

What's the max loading you've done on the BMS? I forget now what it's limits are, but whatever you want to throw at it, it ought to handle now.
ElectricGod...it's a joke...don't take things so seriously folks!

XB-502 Moped:
https://endless-sphere.com/forums/viewt ... 0#p1222730

Currie scooter:
https://endless-sphere.com/forums/viewt ... 7#p1227407

shortcircuit911
100 W
100 W
Posts: 205
Joined: Feb 19, 2010 1:24 pm
Location: Antioch, CA

Re: 250w hub motor scooter mod log

Post by shortcircuit911 » Sep 22, 2017 2:14 pm

Yea I knew it was a bit too much for him but he insisted and I gave in. It was kinda funny though and he replaced all the parts.

Max amps on the BMS is 160 amps (after you modded it). Max battery current has been like 23 Amps (super steep hill full throttle), so the BMS is living the good life.

Put some work into a new deck and added a main power switch to the circuit. I've been ripping this thing around the city looking for people to race lol. I really haven't seen anything worth racing around, kinda sucks. I just got back from a little lunch time rip, some pics are below. It's really fun exploring SF a little at a time on this thing. I like to branch out for several blocks in different directions to get more familiar with SF and its been so much fun to do on this thing. Really happy with my project right now, need to fix a few little things, but other than that its been solid.
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