Originally Posted by
HoffY
Thanks for your response Randy.
I'm quite familiar with these aspects so this isn't an issue (years of electric heli, 3S to 14S). My issue is that i can't find full motor specifications so i can be informed about what maximum voltage i can safely operate each motor on (amongst other things like max wattage etc etc) and hence can't then decide which motor to get to suit my application/intention.
OK Thanks for that information. Perhaps i'll jump down from the 1900 to the 1700 and start there. Although the 1900kV was where i was hoping to jump in based on my current numbers.
lol yeah i'm only going for the 'fun as heck' as i'm only bashing. I'm not doing any speed runs or anything like that. Although i can see us GPS'ing them to see what they may be capable of as a relative comparison between mates only. Its just offroad bashing and my OCD engineering/technical mentality that i like to cover as many of my bases as i can prevent myself from being unhappy with in the future!
I haven't seen to many true 40C LiPo batteries from the data i've seen (given how LiPo's come out of very few factories, i'd assume this is echo'd in the car battery sales as well). And unless i'm missing something, how does a battery that can't supply large amps due to not living up to its rated marketing sticker, "over work the ESC under these laods" when it won't be able to actaully supply large loads? What am i missing, what is your meaning here?
Thanks again.
Fun is heck is fine, just be aware of the limitations of the setup. While I agree that a lot of batteries may not perform as rated, what we're looking for is people not to rely on "burst" ratings. A 20c lipo can damage the ESC due to not handling the load and creating serious amounts of "ripple" current that the ESC must deal with. Too much of this is of course bad and creates a lot of heat.
Good batteries hold up to the loads with less ripple current creating a lot less "work" for the ESC.