The aircraft consist of old spark plugs and have a firmly welded ring for attachment. These are used spark plugs of the brands Isolator, Beru, NGK and Bosch, which originate from old chain saws. The components have been thoroughly cleaned to remove loose rust or dirt. As these are parts that have been in use for many years, they naturally also have scratches, age-related discoloration or irregular surfaces. All airplanes were prepared and welded completely by hand. The selection is made…
