Don
First of all you are scaring people saying that you are running 12S on 1790kv motors. (see your E-Mail to Chris)
You are running 6S either in 6S2P configuration, or 6S1P to each motor.
A lot better prop then your CNC 45mm props would be;
ABC 1815-17-45 ( pair of L&R) This prop alone should give you more speed.
Aluminum props tend to flatten out at RPM, therefore losing thrust at higher RPM.
The ABC props won't do that. Therefore you can run a prop with a lower total pitch and go faster.
For even more speed; but watch you Amp draw - motor have a MAX AMP draw.
ABC 1816-17-45 ( pair of L&R)
or
ABC 1915-17-45 ( pair of L&R)
or
ABC 1916-17-45 ( pair of L&R)
Now E-Mail Chris back and ask him if he has or can get a pair for you.
Also let him do the work on them - you need a matched pair,
With the speeds you are running or want to ask him to harden them for you also, you won't be sorry.
Larry
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