From: muratlanne@gmail.com   
      
   "j"  wrote in message   
   news:jp13h1$lpr$1@news.albasani.net...   
   > ...   
   > It seems to me that if you can limit the peak current drawn from the   
   > batteries, that you would get a longer life out of them.   
   >   
   > Given enough capacitor, peak torque could be impressive. The battery   
   > would limit the horsepower.   
   >   
   >   Jeff   
      
   You really need to assume that the designer knows his job and matches   
   the battery with the motor. Tire slip limits the maximum starting   
   torque and braking deceleration.   
      
   Perhaps these caps would permit a less expensive battery but their   
   rapid voltage change complicates the electronics. They store half (or   
   less) the energy of a battery of the same peak voltage and charge   
   capacity because their constant-current discharge curve is a triangle   
   instead of a battery's near rectangle the same height and width.   
      
   jsw   
      
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