I sure wouldn't trust a glow-fuel spraybar carbureator on the front of my models with gasoline. One backfire or splatter onto a hot manifold and you're a meteor or brush-fire. You'll still need to add oil to the gas as they need lubrication from the fuel. I think they lack enough compression to flash gas/air fumes so you'll need either a magnito or an electronic ignition.

I'd go for diesel instead. Much safer and easier.