Abstract

A bionic water strider model was designed and fabricated, which has four supporting legs with length of 52mm. Supporting legs were made of copper wire with diameter of 0.45mm, through superhydrophobic treatment for copper surface, whose contact angle is 154.3 °. By experimental measurement, the maximum supporting force of bionic water strider model on water surface is 28.5mN, which is 5.6 times its own weight. Adjusting supporting legs spacing, it can affect supporting force of the bionic water strider model on water surface. Experimental determination, the distance of the supporting legs should be larger than 8mm.

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