Hi Mathew and All, That will be hard and your only real choice is Tesla 5kwh, 24vdc modules as the only ones compact, light enough to put 20kwh in a MC at a reasonable price, about $200/kwh. Others are heavier, more space. Think about running them at 96vdc though for more power, etc. If you need more, a single wheel aero trailer with very low CG could work. Or a 2wh ultralight aero micro camper, etc. Having built a longer, 72" wheelbase low CG streamliner rolling chassis test mule to check handling, etc , it quickly became apparent they would be the only choice for space reasons. So I'm waiting to afford 20kwh of them for a 200 mile range Streamliner is all that is holding me back. Which is too bad as I have 20kwh of Volt modules but too much space, double the weight of Tesla modules. Great for my 3wh EVs though. ;^) Leaf modules while look good are heavier, more space in this case and you have to watch how much capacity they have left, which increases their space, weight/kwh, the lower the capacity is. Understand regular MC tires have 4x the drag of EV tires. Luckily the rear can be replaced with a car EV tire, 14" car equals a 17" MC IIRC and overpressure, maybe a tire lathe to round out some. And the front can be selected and run at high pressure. These can over double your range as I found out on the test mule with both normal MC tires, power required was very bad. Much worse than much larger subcars I build/t.. And nothing as cheaply can do more for MC range than a good aero fairing can double your range at 65mph. All these are much cheaper than more batteries. In EVs it is the details that count and best way to increase performance at lower cost or even make it possible in your case, is lowering the drag first. Jerry Dycus On Friday, September 6, 2019, 01:41:28 AM UTC, Matthew Pitts via EV <ev@lists.evdl.org> wrote: Good evening (or morning, depending on where you are),
I'm looking for a source for 48v batteries for an E-Motorcycle project I'm going to work on this winter. I would prefer some form of Lithium chemistry battery, with somewhere between 20 and 40 kWh capacity. Any suggestions? Matthew Pitts -- Sent from my Android device with K-9 Mail. Please excuse my brevity. _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20190906/1f356614/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
