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Hi!

#16
When you go 4S, I'm thinking you will need to change props. I'm trying to recall the rule of thumb from Flite Test, but I think you will have to go down in size (diameter) of prop?

The limiting factors there are max amps on motor and max amps on ESC.
 
#19
When you go 4S, I'm thinking you will need to change props. I'm trying to recall the rule of thumb from Flite Test, but I think you will have to go down in size (diameter) of prop?

The limiting factors there are max amps on motor and max amps on ESC.
A while back I used an ampmeter to check this out, if I remember correctly, it was pulling about 17 amps with a 4S, should be safe as I'm using a 30A esc. However, i will check again before I try it. Thank you for the thought. Peace-