RC-Monster Forums - View Single Post - What kind of performance would the Tesla have

lincpimp · 01.13.2010, 12:54 PM

They spec that cell for capacity at 490mah draw. That is 1/2 an amp. So 69 of those in parallel would only give 34.5amps worth of draw to maintain the rated capacity...

99 in series gives around 360volts nominal. So 360v at 34.5amps gives 12420watts or 16hp...

Maybe my math is wrong? Or I am looking at the specs incorrectly? 16hp is enough to keep a car rolling at speed, not enough to get it moving with any authority.

Even at 4.9amps per cell discharge at around 3.3v you only get about 140hp. And that will limit the capacity about 15% (of course you do not need full hp all of the time).

I am really trying to see the benefit of these cells, but I feel something a bit more powerful would enhance performance, and would also last longer as the pack would not be as stressed...

Maybe I am looking at this all wrong...?

	(#5)
lincpimp Check out my huge box! Offline Posts: 11,935 Join Date: Aug 2007 Location: Slidell, LA	01.13.2010, 12:54 PM They spec that cell for capacity at 490mah draw. That is 1/2 an amp. So 69 of those in parallel would only give 34.5amps worth of draw to maintain the rated capacity... 99 in series gives around 360volts nominal. So 360v at 34.5amps gives 12420watts or 16hp... Maybe my math is wrong? Or I am looking at the specs incorrectly? 16hp is enough to keep a car rolling at speed, not enough to get it moving with any authority. Even at 4.9amps per cell discharge at around 3.3v you only get about 140hp. And that will limit the capacity about 15% (of course you do not need full hp all of the time). I am really trying to see the benefit of these cells, but I feel something a bit more powerful would enhance performance, and would also last longer as the pack would not be as stressed... Maybe I am looking at this all wrong...? Alot of Savage parts for sale!!!