Quote:
Originally Posted by lincpimp
If you think you need 1250 watts of power to the wheels and you plan to use a motor that is 85% efficient then you will need some thing like 1500 watts of battery power
1250/.85 = 1470
Now the problem iswhere did you get the 1250 from? Someone told you that? Doing the math will get you the numbers, but there are no hard and fast rules on what numbers apply to what vehicle due to the giant amount of variables.
Best to list your setup and intended use and we will do our best to suggest alternatives for lipo power.
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I did a search and read that the CC 2200 is 1250 watts and yields 85% efficient.
I dont know the math. But I did just learn the math to get watts from battery.
My setup (pic Below and in my sig)- in middle up drivetrain upgrade so dont look to close, the front is done though.
Custom 4wd 1/5 car (9.lbs no battery), Losi 43/13 ring pinion with a losi 2.0 CD but locked with a 45s/16p, locked rear, 5" tall 1/5 scale FG street slicks and working on a way to swap wheels out for very mild dirt 3.3 tires (4.5-5") for hard pack rally driving, but mostly street stunt, bash drifting , CC Mamba Monster /2200
want 45-55mph and 20 minute minimum runtime
Quote:
Originally Posted by BrianG
I can see bursts of 1250w. Around 250w is much more common for average power draws in truggies/MT. After all, 1250w on a 6s 5Ah battery will only get you about 5 minutes of runtime...
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that is hard to believe/understand that 5000 6s only run 5min.
I have been trying this car out with my mamba max, Thunder P 3s 2250 30c with a Feigao xl 2383 and it drives for 15 minutes until speed of 28mph starts dropping. that was with a Emaxx tranny locked in 2nd and 1/8 street slicks
Quote:
Originally Posted by lincpimp
I got 1250 (more like 1500) bursts in a buggy, but average draw for that was around 30 amps.
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what are you referencing ? dont follow you where u coming from ?
Really really appreciate everyones help, keeps me from going crazy