RE: Gas engine forum
I agree with w8ye,
I try not exceed 4,000 RPM for the first tank and start the tuneing on the second. Once it's tuned and running a little on the rich side, up up and away! Remeber that in the air it will lean a tad bit so a little rich is good for break in. Also don't use synthetic oil for break in. I use penzoil for air cooled engines. Synthetics will luricate verry good but it will increase the break in period.
On the first flight don't hold the throttle wide open for to long and just keep it moveing through the air. The prop will draw alot of air over the engine but nothing compared to actualy flying in the sky.
After you feel the power increase by the torque and over all RPM of the engine your either there or real close. That's when I do the real fine tuneing for the way I like to fly. Just remember not to lean it before it's time, byleaning it prematurely it mayresault in a shorter life span of the engine.