First independent heaters

The company Stewart-Warner was perhaps the first in the world to have come up with the first functional petrol-burning independent heater in 1937. In the Czech Republic such device appeared in 1942. It was installed to Siebel Si 204 aircrafts produced in Aero and ČKD. The heat was distributed by tubes to wing leading edges to prevent their icing.

 

 

 

 

Independent heater for the Siebel Si 204 aircraft.
 

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