One more thing: nowadays is increasingly difficult to find planes for classes lower than a .46. You either have to build or design one yourself.

On the other hand, there's plenty of readily available electrics equivalent to .049, .10 or .25 displacements.

With proper reinforcement in key areas, namely firewall, we, oily hands, have opened up an area that's has been put aside these past years, that of low displacement glow powered airplanes. [8D]