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Hi, I have built a nice little lamina flow engine and it runs on alcohol burner. The problem is where the flame heats the test tube and it seems, that test tube gets soft and deformed at that spot. I use borosilicate test tubes and i am asking, if there is a better type of test tubes with better gla...

Hi, thanks for reply. I see. The engine runs on a small candle, however it runs way faster on a spirit burner. I burnt a candle and the engine was running for a few hours continously and the test tube remained intact. It seems, that spirit burner is so hot, that it softens the glas of the test tube....

Hi, I am new here, my first post, so.... well i make all kind of mistakes and i need your help. I have successfully built a lamina flow engine and it runs nicely. It is made with airpot graphite piston and cylinder set and i used a hard drive as a flywheel, testube with steel wool at the hot end. So...