Search found 84 matches

by Yermommy
Mar 01 2021 7:48pm
Forum: Battery Technology
Topic: Common charge/discharge wiring w/ Sabvoton controller
Replies: 3
Views: 58

Re: Common charge/discharge wiring w/ Sabvoton controller

yes, this is how every battery in a device is charged. just NEVER connect the charger without turning it on first. if you dont the battery and capacitors in the controller (wich are extremely powerful) will dump their energy into the empty capacitors of the charger and blow it up. this is especiall...
by Yermommy
Feb 28 2021 5:08pm
Forum: Battery Technology
Topic: Common charge/discharge wiring w/ Sabvoton controller
Replies: 3
Views: 58

Common charge/discharge wiring w/ Sabvoton controller

I have a battery pack with common charge/discharge wires. Because the same wires are used for charging and discharging, I'm attempting to creating a way to charge my battery without unplugging it from the controller. I've attached an image of an idea I mocked up. If you can't see the image, here's m...
by Yermommy
Feb 24 2021 11:46pm
Forum: Vendor Relations Corner
Topic: Vector Ebikes taking >2 weeks to ship - Anyone else with this experience?
Replies: 4
Views: 190

Re: Vector Ebikes taking >2 weeks to ship - Anyone else with this experience?

I ordered a battery and a frame from them recently. The battery got here about a week after they shipped it. The frame has been stuck in the USPS order status of "Origin Post is Preparing Shipment" since Jan 23. I researched this status a lot and it looks like its a general catch-all for t...
by Yermommy
Feb 18 2021 11:11pm
Forum: EBike Technical
Topic: How to dissasemble a Mxus rear hub?
Replies: 6
Views: 183

Re: How to dissasemble a Mxus rear hub?

Yeah the link for the picture doesn't work, please upload to the forum. To open the motor from the brake mount side, you'll have to break the factory seal on the side cover. Start with a razor blade and work your way up to a flathead screw driver. Hit it pretty hard and it will start to separate.
by Yermommy
Feb 12 2021 2:56pm
Forum: EBike Build Threads
Topic: Vector Typhoon Frame / QS 205 / 20s15p 30Q
Replies: 2
Views: 198

Re: Vector Typhoon Frame / QS 205 / 20s15p 30Q

Shinko 241 tires and tubes, Magura Throttle, black spoke covers, and XT150 connectors all arrived yesterday.
by Yermommy
Feb 10 2021 11:41am
Forum: EBike Build Threads
Topic: Vector Typhoon Frame / QS 205 / 20s15p 30Q
Replies: 2
Views: 198

Vector Typhoon Frame / QS 205 / 20s15p 30Q

Its been a while since I built a high powered bike. I'm going to be using this thread to document my progress as things come together. Here is a list of all the components I'm planning to use: Vector Typhoon Frame - I have tried the EEB clone frame and it worked well, but some design problems worrie...
by Yermommy
Feb 07 2021 10:06pm
Forum: EBike Reviews & Testing
Topic: Grin Phase Runner / CA3 and BBSHD
Replies: 186
Views: 50611

Re: Grin Phase Runner / CA3 and BBSHD

I have a Phaserunner MT and CA3 paired to an old 72v pack. It took some time to get the phaserunner settings right. I got a lot of motor stutter after doing autotune. Before I fixed it, 1/5 throttle the motor would stop as soon as it picked up the drivetrain slack. When the chain pulled against the ...
by Yermommy
Feb 05 2021 1:07pm
Forum: E-Scooter and Motorcycle Build Threads
Topic: Maximising the stealth bomber frame
Replies: 10
Views: 534

Re: Maximising the stealth bomber frame

I read through your website about the evolutions of your first build, sorry it got stolen. The new build looks great, I'm very interested in seeing the continued progress. What are the specs of the 72v 70ah battery?
by Yermommy
Jan 14 2021 10:00pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Sondors x new bike the Metacycle
Replies: 43
Views: 1325

Re: Sondors x new bike the Metacycle

This is very promising. I don’t see it being a game changer, the technology is nothing special. The price point is perfect. Hopefully they’ll make a “dirt” version with a better suspension. Maybe there will be a future option to double the battery and I’ll in the empty frame space. They could begin...
by Yermommy
Jan 14 2021 6:40pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Sondors x new bike the Metacycle
Replies: 43
Views: 1325

Re: Sondors x new bike the Metacycle

This is very promising. I don’t see it being a game changer, the technology is nothing special. The price point is perfect. Hopefully they’ll make a “dirt” version with a better suspension. Maybe there will be a future option to double the battery and I’ll in the empty frame space. They could begin ...
by Yermommy
Jan 13 2021 8:39am
Forum: EBike Technical
Topic: QS Motor 205 50H V3ti
Replies: 13
Views: 563

Re: QS Motor 205 50H V3ti

I ordered a V3TI about 2 weeks ago. When I receive it, I’ll post some pictures here (if I can remember haha).
by Yermommy
Jan 06 2021 5:56pm
Forum: EBike General Discussion
Topic: Rear wheel & rim size, what is the best moto rim width to go for? QS205, 25kW
Replies: 19
Views: 541

Re: Rear wheel & rim size, what is the best moto rim width to go for? QS205, 25kW

I think 25kw is a little too high for a 205. You might want to look into getting a 273. Sorry I can't comment on the correct rim width.
by Yermommy
Dec 22 2020 12:10am
Forum: EBike Technical
Topic: How to get the most power out of a QS205 50H?
Replies: 48
Views: 1755

Re: How to get the most power out of a QS205 50H?

Wingdings are a very touchy topic. In my experience, it really depends on how you ride. People want to have the ability to launch hard from a stop, but most of the time nobody is doing this consistently (unless you're racing or riding extremely technical trails). The majority of people are more impr...
by Yermommy
Dec 11 2020 10:08pm
Forum: Battery Technology
Topic: best value cell size and more
Replies: 58
Views: 1756

Re: best value cell size and more

Samsung 30Q could do what you need. 20s15p would be suitable for 200a.
by Yermommy
Aug 15 2020 8:54am
Forum: EBike General Discussion
Topic: Cyclone middrive kelly controller upgrade
Replies: 2
Views: 159

Re: Cyclone middrive kelly controller upgrade

Solder them into quick connects, don’t crimp them
by Yermommy
Jul 08 2020 8:48am
Forum: EBike Technical
Topic: What if motor watt ratings..
Replies: 4
Views: 215

Re: What if motor watt ratings..

The amount of heat a motor can shed is extremely dependent on ambient temperature. Continuous ratings are fine the way they are, you just have to understand the profile of your motor and the environment you’re riding in. Internal temperature gauges make this pretty easy to manage on most motors.
by Yermommy
Jul 07 2020 10:15pm
Forum: EBike General Discussion
Topic: BBSHD Future proof/worth it 2020?
Replies: 14
Views: 525

Re: BBSHD Future proof/worth it 2020?

I ride an sv650 and I have a BBSHD with the grin phaserunner v3 on a 72v battery. It's set up with the 30t front sprocket and I'm installing a steel gear in it this weekend. The BBSHD with 50 battery amps and 96 phase amps is incredibly torquey and gives you the feeling of dropping the clutch and wr...
by Yermommy
Jun 22 2020 10:39pm
Forum: General Discussion
Topic: ASI BAC 800 Controller Red Light.
Replies: 3
Views: 549

Re: ASI BAC 800 Controller Red Light.

It sounds like the "high voltage cutoff" is being triggered. You need to reprogram the controller so it doesn't throw a fault code.
by Yermommy
Jun 14 2020 8:28am
Forum: EBike General Discussion
Topic: Another Stealth bomber (clone) build
Replies: 290
Views: 50952

Re: Another Stealth bomber (clone) build

That chain is going to cut your foot off if the roller ever breaks or if the chain breaks. Have you considered putting a chain guard over it? Everything else looks amazing.
by Yermommy
May 19 2020 11:02pm
Forum: EBike Build Threads
Topic: QS205 motor locking up with Sabvoton controller 200 a
Replies: 3
Views: 551

Re: QS205 motor locking up with Sabvoton controller 200 a

The controller thinks the motor is overheated because it doesn't have a reading on the temperature sensor. Take a 1k resistor and solder it from the hall sensor ground wire to the temperature sensor wire for the Sabvoton. The motor temp is reading 130C which is the max temperature and keeping the co...
by Yermommy
May 16 2020 1:14pm
Forum: Motor Technology
Topic: Sabvoton designs, features, comparisons, etc
Replies: 17
Views: 729

Re: Sabvoton designs, features, comparisons, etc

I probably won't be going with Sabvoton ever again. Well the big takeaway for me, is that "Sabvoton" is not a company, and over the years the name has been used by multiple makers. Who actual manufactured your terrible example? Maybe others are higher quality. . . I have no idea where it ...
by Yermommy
May 15 2020 2:34pm
Forum: Motor Technology
Topic: Sabvoton designs, features, comparisons, etc
Replies: 17
Views: 729

Re: Sabvoton designs, features, comparisons, etc

I bought my 72150 from LAebike back in April of 2018 and had numerous problems with it from the start. It struggled to find a matching hall angle for a mxus 3k turbo I was using and constantly blew the hall sensors. I upgrade to a qs205 about a year later and it also blew through 2 sets of hall sens...
by Yermommy
May 15 2020 2:28pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Update on my Fazer 600 conversion
Replies: 11
Views: 682

Re: Update on my Fazer 600 conversion

So those gen4 batteries come in 8s packs, but aren't they really just 2 of the 4s2p modules crammed into 1 case? I found a source of gen3 but I'm worried I won't be able to easily wire the 8s format into 20s for a 72v system. I have installed 5 Gen 4 Leaf modules in my Thundercat, cell nominal volt...
by Yermommy
May 12 2020 6:20pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Update on my Fazer 600 conversion
Replies: 11
Views: 682

Re: Update on my Fazer 600 conversion

So those gen4 batteries come in 8s packs, but aren't they really just 2 of the 4s2p modules crammed into 1 case? I found a source of gen3 but I'm worried I won't be able to easily wire the 8s format into 20s for a 72v system.
by Yermommy
Mar 29 2020 11:31pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: E-Grom Clone 72v battery upgrade recommendations -Update bought a Leaf Pack
Replies: 16
Views: 1711

Re: E-Grom Clone 72v battery upgrade recommendations

Most of the images are loaded now. If you want to put all 10 batteries in, you may want to consider widening the battery box. If you choose to only use 5 of those leaf batteries, this is an excellent tutorial about how to convert them from 2s2p to 4s1p [youtube]kAznO_p_rEY[/youtube]