A Klagenfurt company that produces specialized drones has tested a new model. However, it crashed during a test flight over its own building, during which the photovoltaic system was also to be inspected.
A high-end prototype from a drone manufacturer rose above its own building on Monday. The devices from the Klagenfurt company are specialized in monitoring wind turbines, power lines and also photovoltaic systems. “This test flight was intended, among other things, to inspect the PV installation on the roof of the company,” a police officer explains.
But during the test flight, a system error occurred in the prototype for reasons still unknown. “The drone, which must have cost several thousand euros, fell on the roof,” says Helmut Unterluggauer, fire brigade of Klagenfurt, describing the incident. “First the device caught fire, then the plastic sheeting on the flat roof caught fire. This caused a lot of smoke.”
The fire developed such high temperatures that the glass of 16 photovoltaic panels burst. The drones use lithium-ion batteries. Severe mechanical damage can lead to a chemical chain reaction that can reach 800 degrees.
“The drone was completely destroyed,” Unterluggauer explains. “Our emergency services were then able to extinguish the fire quickly, but as a precaution, part of the roof structure was opened to identify a possible fire.” The areas were examined with a thermal imaging camera – and soon everything was safe.
Source: Krone
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