GP Little Toni YS 91 AC 4cycle
#2
![](/forum/images/badges/trading_plus_member.png)
My Feedback: (24)
![Default](https://www.rcuniverse.com/forum/images/icons/icon1.gif)
Great combination. A good prop for all out speed is either ACP 14x10 or MA Scimitar 14x10. APC 13x12 should also work and would provide even more speed. My .91AC likes to swing MA 14x10 Scimitar at 9600 rpm peak on 20/20 fuel, richened down to 9300 rpm for flying.