I Blow up Mini Gas Engine with Oxygen Acetylene - (Slow Motion)
TLDRIn this video, the presenter tests the durability of a new M12 mini gasoline engine from Stirling Engine Kit, aiming to push it to destruction. Starting with a standard gasoline run, the engine is then subjected to various fuels including nitromethane and a hydrogen-oxygen mix. Despite initial issues and a seized engine, the presenter replaces piston rings and reattempts the test with synthetic oil. The final test involves gasoline and oxygen-acetylene, leading to a dramatic and visually impressive, though not completely destructive, end.
Takeaways
- 🔧 The video involves testing a new M12 mini gasoline engine from Stirling Engine Kit, aiming to put it through extreme conditions.
- 🚀 The engine is described as a beautiful, handcrafted piece of machinery, straight from China, and is considered the 'best of the best'.
- 💦 The engine is water-cooled, requiring oil, gas, and water to be properly filled before starting.
- 🌬️ After initial testing on gasoline, the engine's performance was not as expected, sounding like a hit or miss engine.
- 💣 The experimenter sought community input on which fuel to use for the next test, with nitromethane being the popular choice.
- 🔥 Nitromethane was used as fuel, and the engine did not blow up as anticipated, but required forced induction for more power.
- 💧 An attempt to replicate turbocharging with pure oxygen injection into the carburetor resulted in impressive sounds and performance.
- 💥 A switch to a hydrogen-oxygen mix improved engine performance with no smoke, as the byproduct is water.
- 🛠️ The engine seized when oxygen-acetylene was used, revealing impurities in the metal and issues with the piston ring made of silicone rubber.
- 🔄 After repairs with new silicone piston rings and synthetic oil, the engine was restarted and tested again with gasoline and oxygen-acetylene.
- 🎥 The final test was captured on a high-speed camera, resulting in a chaotic and visually impressive blowup, with the gas tank becoming a 'geyser'.
Q & A
What is the main purpose of the M12 mini gasoline engine mentioned in the script?
-The M12 mini gasoline engine is a precision piece of handcrafted machinery designed to be the best of the best and capable of handling various conditions. The speaker intends to put its durability and performance to the test by attempting to cause a mechanical failure.
Where is the M12 mini gasoline engine originally from?
-The M12 mini gasoline engine is straight from China, as mentioned by the speaker in the script.
What did the speaker initially struggle to find in the engine's manual?
-The speaker struggled to find where to put the water and oil in the engine, as the manual did not clearly indicate their locations.
What was the speaker's first attempt to do with the engine?
- The speaker's first attempt was to start the engine on gasoline, let it run, and break in to get acclimatized to the Chicago air.
What did the speaker notice about the engine's sound when it was first run on gasoline?
-The speaker noticed that the engine sounded like a hit or miss engine when it was first run on gasoline, which was not what they expected.
What type of fuel did the community suggest to use for testing the engine's limits?
-The community suggested using nitromethane as the fuel to test the engine's limits.
What additional method was attempted to replicate turbocharging or supercharging?
-The speaker attempted to replicate turbocharging or supercharging by injecting pure oxygen into the carburetor of the engine while it was running on nitromethane.
What was the result of running the engine on a hydrogen and oxygen mix?
-The engine ran better on hydrogen and oxygen mix than on gasoline, with no smoke produced as the byproduct of burning hydrogen and oxygen is water.
What issue occurred when the engine was run on an oxygen-acetylene mix?
-The engine seized up when run on an oxygen-acetylene mix, and upon inspection, it was found that the piston and the cylinder sleeve had impurities that caused the seizure.
How did the speaker address the lubrication issue with the engine?
-The speaker replaced the impurity-affected piston with a new one equipped with silicone piston rings and used full synthetic oil for better lubrication.
What was the outcome of the final test with the engine on gasoline and oxygen acetylene?
-The final test resulted in a chaotic but visually impressive failure. The engine did not blow apart as expected, but there were issues such as the gas escaping from the valve guide and the valve spring disintegrating due to overheating.
Outlines
🚀 Introducing the M12 Mini Gasoline Engine
The video begins with the host expressing excitement about testing a new M12 mini gasoline engine from Stirling Engine Kit, which is claimed to be of exceptional quality and durability. The host explains the engine's intended use of gasoline and its water-cooled design, and shares his confusion about the oil and water placement as per the manual. He also discusses his intention to cause a mechanical failure to test the engine's limits. The host provides an overview of the engine's components, including the spark plug, flywheels, crankcase, gas tank, cooling tank, cylinder, carburetor, pushrods, rocker arms, and valve springs. Despite the engine's initial unusual sound, the host proceeds to experiment with different fuels, starting with gasoline.
💥 Nitromethane and Oxygen Experiments
In this segment, the host moves on to using nitromethane as fuel, as per his community's request. He notes the engine's poor performance and suspects a design issue with the spark plug hole affecting flame propagation. After running the engine on nitromethane, the host attempts to mimic forced induction by injecting pure oxygen into the carburetor, resulting in a noticeable improvement in performance. However, the engine fails to start after this test, and upon inspection, the host discovers issues with the crankshaft bearings and lifters, indicating potential damage from the previous high-RPM run with oxygen.
🔥 Hydrogen and Oxygen Test
The host introduces a hydrogen generator from Engine DIY to produce a hydrogen-oxygen mix for the engine. Despite not expecting the engine to blow up, he is surprised by the engine's improved performance and lack of smoke, as the byproduct of burning hydrogen is water. The host then decides to use oxygen-acetylene, anticipating a more dramatic reaction. Unfortunately, the engine seizes up, and upon disassembly, the host finds impurities in the metal and melted piston rings, which he attributes to the lack of proper lubrication due to water in the crankcase.
💣 Final Attempt with Oxygen Acetylene
After fixing the piston and ensuring proper lubrication with synthetic oil, the host makes a final attempt to cause a mechanical failure using gasoline and oxygen-acetylene. The engine initially runs well, but eventually, the host notices gas escaping from the valve guide and causing sparks. The engine's chaotic performance, captured by a high-speed camera, entertains the host and his audience. Although the engine does not blow apart as expected, the host considers the experiment a success due to the dramatic and visually appealing outcome.
Mindmap
Keywords
💡M12 mini gasoline engine
💡Stirling engine kit
💡Mechanical failure
💡Water-cooled
💡Spark plug
💡4-cycle engine
💡Nitromethane
💡Oxygen acetylene
💡Hydrogen oxygen mix
💡Seized engine
💡Silicone piston ring
Highlights
The introduction of the new M12 mini gasoline engine from Stirling engine kit, a handcrafted precision piece of machinery.
The engine's origin, being straight from China, and the user's intent to test its limits by attempting to cause a mechanical failure.
The initial struggle to find the correct places for oil and water in the engine, despite the manual's lack of clear instructions.
The engine's first run on gasoline, which surprisingly did not lead to destruction despite the user's expectations.
The decision to switch fuels and the community's choice of nitromethane as the next fuel to test the engine.
The observation that the engine's spark plug design might be affecting its performance due to slower flame propagation.
The attempt to replicate turbocharging by injecting pure oxygen into the carburetor, which results in a noticeable performance boost.
The discovery of the crankshaft bearings' potential failure and the lifters' reduced travel after the oxygen injection.
The introduction of a hydrogen generator to produce a hydrogen-oxygen mix for the engine, aiming to clear its throat.
The engine's improved performance and lack of smoke when running on hydrogen and oxygen, due to the water byproduct of combustion.
The switch to oxygen-acetylene mix, which leads to the engine seizing up unexpectedly.
The inspection of the seized engine reveals a melted silicone piston ring and impurities in the metal that caused the piston to seize.
The decision to replace the damaged parts with new silicone piston rings and synthetic oil for better lubrication.
The second attempt to blow up the engine using gasoline and oxygen-acetylene, resulting in a chaotic and visually impressive explosion.
The high-speed camera capturing the engine's destruction, with the fuel tank becoming a geyser and sparks flying.
The conclusion that the engine, based on an old design, survived the oxygen-acetylene test, which was unexpected.
Transcripts
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