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Old Mar 27, 2012, 01:04 AM
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Originally Posted by askman View Post
if you look at the KK's test, biggest thing we do notice about the esc power ramp is this.

turnigy esc takes about 8 clock cycle to go from 0 to full throttle. which means for your 25% change, it take 3 cycles to effect full change. since the cycle is totally depended upon frequency, at 50 hz, 3 cyc is 60ms while at 400hz, it is 7.5ms. anything less than about 10% throttle change, it will happen in 1 cycle. Now, I believe simonk's firmware actually take this ramp out, which means power change is much quicker. I believe this is the biggest reason for better performance.
I'm pretty sure the ramp isn't completely gone. I think he's just using a different algorithm for it.
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