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Description
KRAUL | Stirling Motor mit Teelicht-Antrieb, BausatzKRAUL spielen experimentieren erleben KRAUL Stirling Motor mit Teelicht Antrieb, BausatzStirling Motor mit Teelichtantrieb Dampfmaschinen waren die ersten Motoren, die den Menschen schwere Arbeiten leicht machten. Allerdings gab es hufig Explosionen in den Dampfkesseln. Darum bemhten sich viele Ingenieure, weniger gefhrliche Antriebe zu erfinden. Der junge schottische Geistliche Robert Stirling entwickelte vor fast 200 Jahren eine Motoren Art, die
KRAUL | spielen • experimentieren • erlebenKRAUL | Stirling Motor mit Teelicht-Antrieb, Bausatz
Stirling-Motor mit Teelichtantrieb Dampfmaschinen waren die ersten Motoren, die den Menschen schwere Arbeiten leicht machten. Allerdings gab es häufig Explosionen in den Dampfkesseln. Darum bemühten sich viele Ingenieure, weniger gefährliche Antriebe zu erfinden. Der junge schottische Geistliche Robert Stirling entwickelte vor fast 200 Jahren eine Motoren-Art, die bisher nie im großen Stil, aber doch in etlichen Anwendungen genutzt wird. Der kleine Motor entsteht buchstäblich aus der Dose, in der er verpackt ist. Angetrieben wird er durch die Wärme des Teelichts und die Luftkühlung am Arbeitszylinder. Das Prinzip ist ganz einfach, doch sehr raffiniert: Verdrängungskolben und Arbeitskolben schieben aufgrund der Erwärmung und Abkühlung die Luft zwischen den beiden Zylindern hin und her. Dadurch kann der Arbeitskolben den Propeller antreiben. Für den Zusammenbau der ca. 150 Teile brauchen Bastler 2-3 Stunden. Die gründliche Anleitung mit exakten Bildern führt Schritt für Schritt zum fertigen Motor. Es sind nur einfache Werkzeuge nötig.
Produktdetails:
Sicherheitshinweise:
Artikelnummer des Herstellers: 6500
Bausatz für Tüftler ab 14 Jahre. Der Betrieb mit Kerze nur unter Aufsicht Erwachsener. Dose: 10,3 x 10,3 cm, Gewicht: 230 g, Nr. 6500
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4.8 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Sturdy and long lasting.
These balls are a favorite of my Sheltie! She loves to chase after them and catch them in the air. My dog is not a chewer so I can't say how they hold up under aggressive circumstances! They do last a long time .
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Reviewed in the United States on August 3, 2025
★★★★★ 5
Dog loves this ball
Our dog loves it!
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Very versatile and durable dog toy
This is not a good toy to leave wit big dogs unattended. That being said it is a GREAT dog toy for households that have a variety size of dogs. Our Golden Retriever and 6 pound Pomeranian both play with it. Both retrieve it and occasionally share carrying it back to us. I know it will eventually get destroyed but that is what dog toys are for. Very durable and with the holes, it allows small dogs to pick it up as easily as larger dogs.
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Reviewed in the United States on July 19, 2025
★★★★★ 5
Keeps my dog busy
This works great for rolling treats up in fleece and putting them in the ball. The ball material is flexible and durable. This is a fun and engaging activity for when the weather prevents outside fun.
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Reviewed in the United States on October 28, 2025
★★★★★ 5
The best dog ball EVER!!!
Our 3 y.o. Mini Australian shepherd destroys every toy that she can. We can’t have any kind of cloth toys, including the heavy duty, triple stitched, fire hose Kong toys. We can’t have rope toys, even the balls. There are many rubber or silicone toys we also can’t have as she destroys them as well. She has 5 of these balls, some for over a year and they are still in GREAT shape. Left in the sun, rain, etc, they just hold up. They also don’t have a lot of surface area to hold slobber so your hand doesn’t get all wet. Heavy enough to still throw a fair distance, but light enough that the dog was fine the few times I’ve accidentally drilled her in the ass. These are the best.
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Reviewed in the United States on July 11, 2021