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  • June-23 2016 23:33:47

    Really good, Double boxed, with two glass tubes and O rings. There may be a subtle change from the early ones on the pictures. On the pictures it looks to have two tubes one inside of each other. Now it seems one tube with inner aluminum piston as per photo. Which will increase in wear resitance - so better design. I couldnt get to go with tea lite candle so tried isopropyl alcohol which seem to do the trick. The glass tube is held on by retaining screw clip which can be hand undone as per

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  • November-17 2016 02:23:07

    What a great product, Fun to play with and a very cool educational project for my grand kids. Thank You for offering this to all of us.

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  • September-05 2020 15:13:49

    perfeito

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  • January-04 2016 05:45:55

    The product is small and quite light. It looks like a beta-type without regenerator. I tried to operate it with a candle. It works for a few minutes until the cold side gets too hot because of the lack of cooling fins. The engine stops with the lightest constraint on the flywheel. Then I operated it with the ethanol lamp : it revs a bit faster and gives a lot more torque. You can rub the flywheel without stalling the engine. When I stop the engine, I take care to let it cool down with the piston

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  • June-25 2014 00:48:00

    Great looking engine. Came with extra bottle and test tube. Works like a charm. You have to wait for about 3 minutes for it to really heat up. Flick it towards the flame end and you should get it to spin after a few cranks. Good science demo of Sterling engine.

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  • March-24 2017 01:50:30

    Funny, little time waster. An eyecatcher for kids and something flameable to play with for the grown ups. Cheap price for a worthwhile joy. Comes with replacment parts.

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  • March-06 2016 05:27:05

    Sieht sehr gut aus, funktioniert wunderbar sogar mit einem Teelicht und es sind sogar noch Ersatzteile dabei. Top! Verpackung ebenfalls sehr, sehr gut.

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  • December-22 2015 07:04:16

    The item I received is quite a tiny engine that is well made and pleasing to look at. It starts without any issues whatsoever and runs like a dream. Well packed for shipping and great service too. Many thanks.

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  • June-11 2015 23:34:29

    Haven't tried to operate it, but this little engine looks very well made (in metal and glass). The bottom of the burner is magnetic and can be fixed on the plate. Also it comes with spare parts.

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  • November-22 2019 03:40:58

    took atleast 1 months dont order anything from this site and the delivery was third class

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