Choppers On Mars...

For the same reason, the weight of the craft is kept to an absolute bare minimum. For example, each pair of rotor blades weighs just 56 grams – despite measuring over a metre in length.

“Carbon composite layups within a foam core matrix were used to achieve lightweight but stiff blades,” says Balaram. In total, Ingenuity weighs in at just 1.8 kilograms, less than a couple of bags of sugar.