Originally Posted by henkvdw
With a 830 kV value and a 9x6 prop you could almost run this motor on 5S (18.5V).
In my opinion the minimum to use is a 4S and then thrust may still be wanting.
With a 4 bladed prop on 3S my guess would be that you will still want more. Staying with a 2 blade prop you may need to swing 12 or 13" diameter to get respectable thrust on 3S.
So either change to a higher kV motor or change to 4S or 5S power.
Make sure not to over-amp the motor though.
That's a good point. I run 920kv with 4s so 830kv on 3s is really low rpms.