Recent content by tef

Hi, I am building a new battery for my dirt bike with 30s15p NCR18650PF cells. Currently the cells are connected with 0.4" x 0.006" (10mm x 0.15mm) nickel strips. The average total current draw is about 90A, but the pack should handle short peaks of more than 200A. I am unsure if an additional...

I tried again with a can analyze tool and an ixxat usb-to-can device, but there are no messages on the bus. The communication with the arduino can shield works without problems. The cells with temp sensors are connected and the 12V enable line (pin1+ and pin7-) is powered from a separate...

Thank you for clarification. Should I read any broadcast messages on the bus when the bms is connected? Could you provide the can messages for reqesting the cell voltages? tef

Hi, I am currently trying to get the communication working with an arduino and a seedstudio canbus shield, but no success so far. Does somebody have an idea about pin9 and pin10 of the can connector? pin1...VCC pin2...VCC pin3...CAN HI pin4...CAN LO pin5...CAN LO pin6...CAN HI pin7...GND...

I found a source for the 180kv version (UK): http://www.giantshark.co.uk/product/169735/xyh80-100-a-180kv-brushless-outrunner-eq-70-55

hi, any news regarding A123 BMS can protocol?

hi everybody, I am converting an electric outboard motor to electric. (see http://www.endless-sphere.com/forums/viewtopic.php?f=39&t=40553) The motor is a dual stator brushless motor. I think about using 2x sensored 36Fet EB236 controllers, one for each stator. Could this lead to timing...

I have a kelly 6 kw "super power motor" with two sets of halls, both are 120 degree.

I had no problems with soldering A123 18650 cells that way. The plates are 0.6mm copper. I use a 120W soldering iron with a heavy flat tip and always tin the cells and plates (both sides) first, so that there is the best heat conductivity. I never heat the cells up for more than max. 2 sec, a...

looks good! does somebody know if individual cell voltages are written through the serial interface, or just the total voltage?

Hi gordo, I know that this setup will not be very efficient but that is ok for me, as long as I get a range of at least 20km at a reasonable speed. The battery bank will be used primarily in my photovoltaic system, so I need that much capacity anyway. I wish that I could install a larger prop...

Gordo, thanks for the link. Yes, I will use 20kwh instead of 12. The goal is to hold 30km/h for an hour.

It's time to give a little update on the electric boat project. I have bought a used 4.1m fiberglass sportboat hull. Apart from the transom, which needs to be rebuilt, it is in a good shape for its age and will hold up fine for the next few years. The saved money compared to the boat in my...

thank you, I will keep you up to date.

Hi, ### edit: I changed the plan and will convert an old outboard motor to electric. I replaced the combustion engine with a ME0913 motor. ### I think about building two (separate) electric outboard motors for my future fishing boat (details...