Hi Twostroker,

I have my newly broken-in RCS 1.40 for the Katana.
Just pulled it...moments ago...from my 13 lb H9 Edge.

Tached it this weekend, over 9000rpm with a Bambula 16x8. Close to 16 lbs thrust!! 20 minutes on a 8 oz tank (super Light).
I'll probably look around for a nice 18x6 prop for the RCS. I like the lower pitch....might squeeze a tad more thrust out of it.

I'm totally surprise at how hard this little motor pulls....I think the Bambula props were made for it....

What motor do you have?

Good Luck!
CrazyHerb