Actually the sponson bays carried an aresonal of different weapons. They were an extremely configurable and highly effective. There's a ton of working room in them too which made maintenance on the 30 cal's quite easy.
ORIGINAL: multimike
Is anyone building or flying the big OV10, a friend is scratch buiding the bird and the plans it shows some "sponsons" mounted at the back of the fuse, what is their purpose Mike