About 1970 there was a first important stage of developing nitinol engines. But since then, 45 years (!), nearly nothing important happened. When I started to discover this phantastic material nitinol I had the illusion, this might be an easy way and i can construct nitinol engines within several days or weeks.
But after a short time I began to understand, why this developement stopped for a long time. This material is so strange and in spite of my complexe knowledge in materials and developing things I understood nothing und no engine was running. First it was incredible boaring. But then I recognised, that I have to go again in the "first schoolclass" and this exciting material is my teacher.
Now, three years later, I feel to come into the 4th class... - and a lot of machines are already running. But I still have to learn.
I had to develope new theories and methods of handling nitinol.
So, in the next time I will offer this knowledge to interested persons and show in further films, how to handle this material.
For me it is the miracle of one of the simplest engines with the
most complex processes inside.
This engine produces energy with only 20 degrees temperature difference between the cold and warm side. And this engine produces even energy using temperature differences below zero !!
No thermoelectric device or stirling motor is working efficient
using 20 degrees temperature difference. Where this efficiency comes from and further interesting things - you can experience it in further films on youtube
Horst Wagner
Seit 1970 hat sich auf dem Gebiet von Nitinol Motoren so gut wie nichts mehr getan. Das hat seinen guten Grund. Dieses Material ist bisher in seinen Eigenschaften nicht wirklich erforsch und erkannt worden. Als ich vor drei Jahren damit anfing, mich mit Nitinol Kraftwerken zu beschäftigen, hatte ich die Illusion, in vier Wochen einen kleinen Motor zum Laufen zu bringen. Es hat zwei Jahre gedauert und ich bin fast verzweifelt. Die Erklärungen, die ich im Netz fand, waren zwar nicht ganz falsch, aber sie halfen mir nicht wirklich weiter. So ließ mich dieses faszinierende Material nicht mehr los. Heute läuft fast alles, was ich konstruiere, ob vom kleinen 5cm hohen Motor bis zum 2 Meter langen Generator. Die Leistung geht von 0,1 - 70 Watt. Und es werden immer mehr.
Nitinol Engine
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