From: none@none.com99   
      
   On 4/6/2025 12:17 PM, Bob La Londe wrote:   
   > On 4/6/2025 10:06 AM, Jim Wilkins wrote:   
   >> "Jim Wilkins"  wrote in message news:vstnuv$s7al$1@dont-email.me...   
   >>   
   >> For LiFePO4 the current limit is typically the Amp-hour rating or a small   
   >> multiple of it, ...   
   >> ---------------------------   
   >> Which means that a 12V, 100Ah LiFePO4 could ideally power a 1.6 HP   
   >> motor for an hour. 16 of them in the BMS maximum 4S4P configuration   
   >> equals 25HP. I had such an engine in a Beetle, whose 0-60 time was 15   
   >> minutes while the tranny oil warmed up.   
   >>   
   >> That was a good excuse to avoid the Autobahn and instead wander   
   >> through picturesque little villages on service calls. At the time the   
   >> Autobahn was a squareish loop around the edges of Bavaria and cutting   
   >> across diagonally was nearly as quick, plus a Jeep or Army truck   
   >> wasn't much faster and I couldn't leave them parked outside a Gasthaus   
   >> overnight.   
   >>   
   >   
   >   
   >  From what I have found the only "economical" way to even make good use   
   > of a mid voltage motor like the Hyper 9 is to buy used commercial EV   
   > cells.  If I ran with something like a 48 volt forklift   
      
   MOTOR, not battery,   
      
   > as Clare   
   > Snyder suggest I could run multiple LiFePos in parallel, but for higher   
   > voltages I'm stuck with used commercial Lithium Ion EV cells.  Well, new   
   > cells/modules are available, but the price puts it back in new car range.   
   >   
   >   
   >   
      
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
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