Recent content by chronosgarage

Thank you for your reply. I’m planning to use a 100w solder. I have a battery spot welder, so I’m only use solder for the positive pole of the battery, I will use the spot welder on the negative pole.

Thank you for your reply. It clarified my hesitation from using it.

Has anyone use this kind of solder paste for joining 18650 cell? The solder paste melt at 138 degree centigrade, so it’s not as high as normal tin solder. I’m thinking about using this type of solder paste to connect fuse wire to the copper busbar (flattened copper pipe). Any help is...

Thank you for your reply.

Has anyone have any information about what wire to use as a fuse wire? I’m building a 20S30P battery pack from old recycled laptop batteries, so I decided to use a tesla style fuse. I can’t find any fuse wire in Indonesia, is there any wire that I can use as an alternative? I’m looking for a...

Thank you for all of your reply. It turned out that the problem was the order of the phase wire connection, pole pair number and hall angle setting. The bike runs smoothly now.

I finally found the solutions. I contacted a friend of mine who is a ebike technician. He set the parameters of my bike remotely. It turned out to be the problem with the phase wire connection, number of pole and hall angle. I had to swap the position of the phase wire and changing the hall...

My setup is hub motor QS 205 2000W 72v, Votol em100 and 20S21P li ion. The bike have a very low torque and strange noise on start. There is a stuttering acceleration if I give throttle from stand still. When the bike is running, everything is smooth. I've tried to ask in votol em100 thread, but...

Thank you so much for your reply. I finally able to choose the correct spoke length using spoke length calculator.

I have exactly the same problem. The bike will have a strange noise and stuttering acceleration at the start. But when it’s running, all is smooth. Can anyone here have any suggestions or solutions? Any help is appreciated...

I’m building a reverse trike. I want to lace the 36 hole bicycle hub with a motorcycle rim. The plan is to use bicycle spokes for the rim. I know from searching this forum that i need to have some spacer to get the nipples to seat properly in the motorcycle rim. But I can’t find info on the...

Do you know which port the brown wire that suppose to be park function is located?

I already sent the firmware. But I can’t guarantee that it will work. I got it from a qs motor representative.

I send the firmware to your email.

Thank you so much for your solution...