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Schetsontwerp voor het rijdend motortje. Met dank aan mijn vader Kobus Niebuur en klokkengieter Simon Laudy, voor het meedenken en aandragen van oplossingen voor dit ontwerp.
Voor de sleepcontacten maak ik gebruik van fosforbrons. Fosforbrons is een zeer zuivere legering van koper, tin en fosfor. Het wordt ook wel eens aangeduid met de naam Tinbrons of Caro-brons. Deze legering is zeer goed te solderen maar laat zich moeilijk lassen.
De combinatie van het koper met het tin en fosfor zorgt ervoor dat het materiaal bijna niet met zuurstof zal reageren. De eigenschappen van het fosforbrons zijn:
- goede geleiding - hoge corrosiebestendigheid - hoge treksterkte - goede glij-eigenschappen - slijtvast
Het gordijn wat ik ga gebruiken is een witte doorzichtige vitrage van 3 meter breed en 4 meter lang. Er zat een loodrand aan die ik heb verwijderd. De bovenste rand omgezoomd, een heel gedoe als je dit nog nooit eerder gedaan hebt. Om het gordijn te testen of deze wel recht hangt heb ik deze in mijn atelier opgehangen.
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