Also...
Looked at the rc page you linked ....
A G38magnito, and it still needed 13.5 ounces to balance....

I am happy I am going with the 5-cyl saito radial engine...
power to spare, and no dead weight needed to balance....

Now to cut the cowl down and re-join, or just do a simple "cut 5-squares out from the cowl" so the valves can clear the cowl...

Also....

Does siearra make gear for this one???