sometimesfly
Heliman
Location: Sherman, Texas
| I have an OS91 sz on a Raptor 90, tuned and running good. It starts very good, has good transition, and good top end. I am not a 3D pilot and more of a 'scale like' person. I am running all head shims(that came with motor) with good smooth performance on 30%. If I move down to 20% or even 15% what will I probably need to do with the needles. I am often flying in 95F temp. Will I need to remove shims or should I try and fly with the shims and see what happens. Will I probably need to go more lean or more rich to keep the engine running smooth. I am all about a smooth running engine, some loss in power is not a big deal to me.
Thanks |
