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Komaru is not afraid of rain

18.05.2012

Why are mosquitoes numerous in countries with a humid climate where it rains often? After all, a raindrop is 50 times heavier than an average mosquito, and it would seem that a good rain should bring down all the bloodsuckers?

The question interested David Hugh from the Atlanta Institute of Technology (USA). He and his staff filmed the behavior of mosquitoes with a high-speed video camera in a glass chamber, through the mesh cover of which a water shower fell. It turned out that the drop knocks the mosquito off course for only a fraction of a second, after which it straightens out and flies further. The researchers then showered the life-size mosquito models cut out of Styrofoam and filmed the process.

In the photographs under high magnification, it was possible to see that the drop, hitting the "mosquito", does not break, but only deforms, like a rubber ball, and bounces off. Accordingly, the mosquito is not wetted by water, its weight does not increase. The drop transfers only two percent of its momentum to the insect upon impact, and this does not interfere with flight.

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Main technical parameters of SGA family adapters

Output power from a range of 12/18/25/40/60W
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Input voltage range 90-264V
Dielectric strength input-output 4242 VDC
II class for electrical safety
Case Width 27,4mm (12W); 32mm (18/25/40W); 35 mm (60 W)
3 year warranty

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