FOERFARING OCH ANORDNING FOER AVLAEGSNANDE AV IS FRAON FLYGPLANETS YTA OCH FOER FOEREBYGGANDE AV ISETS UPPKOMST PAO FLYGPLANETS YTA.

摘要

The mixture ratio of water and glycol in the mixture of water and glycol for deicing and anti-icing of an aircraft is selected so, that the outdoors temperature and the temperature of the surface to be treated are measured, from these temperatures the lower one is selected and on basis of this temperature the mixture ratio is selected, the freezing point of which is in a predetermined manner dependent on the said lower temperature, the said ratio in the mixture is measured during the spraying of the mixture, the ratio measured is compared with the selected ratio and corrected to be the ratio selected.