richardf
Veteran
Location: San Diego, CA Posts: Billions and Billions
| EX flying againI'm so pleased I had to post something!
I finally got around to buying an OS-91 to put in the EX, I was able to get a few tanks through it today. Before I describe the tremendous power the 91 has even when it's terribly rich, let me say I had forgotten how well this helicopter will hover! I have ordered the Sullivan Dynatron starter to help with the starting chore, my old reliable starter wouldn't even budge this engine. I was able to max everything out and got a +11.5 to -10 pitch window, I don't know if there is any more pitch possible without binding the SSR-V head. It will be fun massaging the curves to keep those 680 mm 205 gram FAI V-blades from overspeeding. I went back to the factory spec 12/95 gearing, with my head speed low at 1600 right now for breakin, it's so quiet you'd think it was electric.
Richard. |
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