Search found 889 matches

by j bjork
Dec 28 2020 9:05am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

I made another run with a better phone so I got more log points. The result where similar, exept from what I remember the 100-110 didnt take 2 seconds. I wanted to try to do something about the voltage drop. I guess the best way would have been to take measurements on different points to find out wh...
by j bjork
Dec 28 2020 8:30am
Forum: E-Scooter and Motorcycle Build Threads
Topic: Electric Roadster
Replies: 89
Views: 4459

Re: Electric Roadster Motorbike

I like where you are going with the design :thumb: Something different, that dosent look like a converted gasbike. It will be interesting to see how this anodizing turns out. I have seen the kits too, but never got around to try. I wonder about the inside of the fork tubes, they will probably be tre...
by j bjork
Dec 26 2020 3:34pm
Forum: E-Vehicles General Discussion
Topic: Votol EM-100 & EM-150 controllers
Replies: 1361
Views: 146300

Re: Votol EM-100 & EM-150 controllers

You can use hdc to limit rpm instead, that is how it worked for me at least. You already have it set to 6000, so I guess you get 6000rpm? Interesting that they set the flux-wekening to 4000, 6000 and 10000. I think the manual says max 3000. When you have it up and running I think you should try to r...
by j bjork
Dec 25 2020 3:12pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

This should be about 100kph:
10:58:15;82.1;347.9;6579;116.7;23;21;7;28563;0 0;
So I guess 3-100kph in 5 seconds, that is actually better than I expected.
Because of the low gearing I didnt expect to do very good at higher speed.
Well, maybe it starts to show later, with 2 seconds between 100 and 110.
by j bjork
Dec 25 2020 8:07am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

They are not just difficult, they are big too. 305x170 :shock: 116v max, so up to 28s if charged to 4,14v max. 660pA peak for 10 sec. Nope, Sevcon is rated in RMS, I believe it's applicable to boost also. RPM -> KPH - that's with the old gearing iirc? PM me the logs, I'll give you the time. Tire ci...
by j bjork
Dec 25 2020 8:02am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

Fw compensation= 100 Fw= 4000 I easily hit 8000rpm no load, I havent tested how high it will go. I dont know how high it would go under load either, this is about how fast I have driven it. Some numbers: Time; Volt; bA; Rpm; km/h; Tcont; Tmot; Tcoeff; Power; GPS 10:58:10;90.2;0.1;217;3.8;23;19;31;9;...
by j bjork
Dec 25 2020 7:16am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

They are not just difficult, they are big too. 305x170 :shock: 116v max, so up to 28s if charged to 4,14v max. 660pA peak for 10 sec. It is probably enough on a light motorcycle. I did a 0-100+ kph run on the street today. https://i.imgur.com/pfr5Iiz.png At least I got some amp readings, I wanted so...
by j bjork
Dec 24 2020 2:31pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

I dont really buy the warranty and liability aspect when it comes to aftermarket, oem sure. The systems should still have limits and safety functions that cant be overridden. Stuff like this is usually sold as "racing parts" around here, with limited warranty anyway. But I guess it is just...
by j bjork
Dec 24 2020 1:37pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

@j bjork: That is true but the problem is that APT96600 is only semi-functional chinese crap. I think it might work in the OEM chinese version and then it’s destroyed by the restrictions programmed before sold to us commoners. At least that’s what would make the varying/faulty functionality underst...
by j bjork
Dec 24 2020 1:04pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

I was thinking that those motors have two separate stators, each 3 phase that you could hook separate controllers onto. Arlo might have done 2 controllers with a Zero motor, which i think is the same design, albeit waterproof. obviously, my understanding is lacking here :) Okay, that would be very ...
by j bjork
Dec 24 2020 8:24am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

Yeah, i lost interest a bit. Too many projects at home and too much pressure at work and now the efoil fun took over.. :D it’d help if i had a controller that could be mapped without too much hassle. I am probably missing something because I dont have enough knowledge of electric motors, but why ca...
by j bjork
Dec 24 2020 7:51am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

6 pole is probably not the right term, sorry I used it. It is misleading to magnetic poles. What I mean is 6phase or maybe better 2x3phase or what to call it. No, that seems to be normal 3 phase. I doubt that those motors are a good choice for a dirtbike with their open design and fan cooling. Thats...
by j bjork
Dec 23 2020 3:53pm
Forum: E-Vehicles General Discussion
Topic: Votol EM-100 & EM-150 controllers
Replies: 1361
Views: 146300

Re: Votol EM-100 & EM-150 controllers

I guess then it would cut if I give throttle, and release and right away lock the wheel?
For me it is usually when I go down a bigger decent, so I brake for some time with throttle off.
by j bjork
Dec 23 2020 3:15pm
Forum: E-Vehicles General Discussion
Topic: Votol EM-100 & EM-150 controllers
Replies: 1361
Views: 146300

Re: Votol EM-100 & EM-150 controllers

Thanks, there seems to be some changes. But not very clear :lol:
Some "change not allowed" where changes sure have an effect.
The second value for fw in sport mode being something completely seems to be the biggest news.
by j bjork
Dec 23 2020 2:57pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

I think it is odd, there are motors available. But no controllers :? And qs seems to have their 180 90h motor more or less finished (maybe, who knows?), but dont seem to release it as they dont have a controller for it. They dont seem to sell it without controller either though, so I wonder how fini...
by j bjork
Dec 23 2020 2:40pm
Forum: E-Vehicles General Discussion
Topic: Votol EM-100 & EM-150 controllers
Replies: 1361
Views: 146300

Re: Votol EM-100 & EM-150 controllers

Last response from customer support I did get a manual with some info I have not seen before. I will try to find a way to share it here. I havent had the problems you describe, so I cant offer much help. But it would sure be interesting if you could share the files you got. As usual it is not very ...
by j bjork
Dec 23 2020 2:22pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

It should have killer throttle response too. I made a little video on high vs sport on the votol em 150sp:

https://youtu.be/tcoHUNskVaU

It may be a little difficult to see, but it is a lot of difference.
by j bjork
Dec 23 2020 1:01pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

Nice, I am curious of how it turns out :wink: It will sure be nice with some extra voltage. Does your big brick of a controller have something like votols field weakening compensation? I am struggling to find a controller for more power. I would like to go 36s if I can get my hands on some batteries...
by j bjork
Dec 23 2020 8:32am
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

Yes, thanks to global warming it is still not frozen :?
Rather nice weather for enduro, 5-10 degrees C seems perfect.
by j bjork
Dec 23 2020 5:39am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Trials Motorcycle - 1st Build. Qs-motor +Votol
Replies: 87
Views: 4705

Re: Trials Motorcycle - 1st Build. Qs-motor +Votol

It will be interesting to get more info about the motor :thumb:
Maybe you can post in the qs 138 thread too?

It would be interesting to see what size the gears are and things like that.
by j bjork
Dec 23 2020 5:36am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Car Alternator to 3Phase Motor conversion.
Replies: 8
Views: 440

Re: Car Alternator to 3Phase Motor conversion.

I am not so sure it is developing more power. You have weakened the magnetic field and reached a higher rpm. At that rpm you get higher iron losses and your fan probably uses more power. If you put more load on it you should get more power with the field coil connected. I am far from an expert on el...
by j bjork
Dec 21 2020 8:38am
Forum: E-Vehicles General Discussion
Topic: Votol EM-100 & EM-150 controllers
Replies: 1361
Views: 146300

Re: Votol EM-100 & EM-150 controllers

Ok, it is probably a different issue then. I just recall that larsB have written that he cant change throttle settings on his older em150s controller. If I remember correctly there is a older program that dosent have throttle settings, instead there are settings for motor temp in that place. If I tr...
by j bjork
Dec 19 2020 2:38pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: KTM 200 exc goes electric
Replies: 215
Views: 31873

Re: KTM 200 exc goes electric

It was time for a new front sprocket, and then I saw this: https://i.imgur.com/HBN4l2d.jpg 1mm is worn off the inside. It was never this bad on the chinese sprockets, but they didnt last this long. I decided it was time to do something about the chain alignment, I wanted to move the motor 1mm out fr...
by j bjork
Dec 19 2020 6:06am
Forum: E-Vehicles General Discussion
Topic: Votol EM-100 & EM-150 controllers
Replies: 1361
Views: 146300

Re: Votol EM-100 & EM-150 controllers

Is it only if you are importing a file? Maybe it is not compatible with your controller. It can also happen if a setting is out of range, it looks like it is saved but when you read from the controller you get another value. It can also be if it is not possible to change the setting, it seems to be ...
by j bjork
Dec 16 2020 12:34pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: My first EV conversion: '69 Honda CA160 "Baby Dream"
Replies: 37
Views: 1565

Re: My first EV conversion: '69 Honda CA160 "Baby Dream"

It dosent sound like you have read much about other builds. I suggest you read this thread: https://endless-sphere.com/forums/viewtopic.php?f=12&t=90032 It should be rather similar to what you plan. Edit, I watched the video and it seems I have to take back that you havent read about other build...