As I am performing the RPM check on the ground....I would think a reading of @9000 on the ground with a 14X9 would be about right when it unloads in the air.

Before I order a couple Graupner 14X7's do you have a tach reading?

I really don't need more 14X7's if they won't load up my 110 properly.

I am running an OS "F" plug and fuel is Powermaster YS 20/20

If the 14X9 loads too much I could always go to 30% Heli fuel as long as it has 20% oil content.