I have posted a full article on how to make landing skids for hand launched airplanes. They protect the belly, wings and prop from ground contact when landing. I have used them on many of my designs and they have been very effective.
Here is a picture of the main landing skid on my Simple...
I'm kinda new I have been flying for a few months now in real life and in simulation. I fly in not so big parks and do not have a runway. So my question is what are some 4 channel planes that are not super fast or big that can always belly land without breaking props or other things?