In this video, see the best moments of the manufacture of the Stirling engine for the homemade cart, how the fire-eating tractor works and also a rerun of the mini war tank going through obstacles.
► Buy your Mini War Tank on this page: bit.ly/2ZfFykx, using the code "Leandro" get 10% off.
► For only R$ 120,00 this other engine can be yours: bit.ly/3fkC59Q, get 10% off using the code "Leandro".
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► ATTENTION:
- should only be handled with the presence of adults.
MINI ALCOHOL WAR TANK: ► See a test of potency, measurements, and dismantling of the War Tank: • Parte 2 - continuação ...
Its speed of 2500rpm is admirable when riding on a flat track and much more impressive reaching peaks of 2900rpm in free rotation. Considering its low displacement of 3.62 cc, it still shows a good breath of torque.
In addition to the test carried out in the video, you can check it out in the link above, where the battle tank pulled 900 grams of weight vertically and its rotation remained at 1500rpm. All this power is admirable, the engine only starts to lose torque at rotations close to 600rpm.
It does not need lubrication on the pistons, only after a long time, it is interesting to put grease on the joints.
MINI TRACTOR WITH FIRE-EAT ENGINE: learn more details in this video: • Mini trator com motor ...
► Why is it NOT considered a Stirling engine?
- Despite being an external combustion engine, it works in an open cycle, that is, the cylinder sucks in the fire; different from Stirling which operates in a closed cycle.
► How does a fire-eating engine work? (also known as "Flammenfresser", "engine vacuum" or vacuum motor):
At the moment of opening the valve, the piston is moving towards the crankshaft shaft, so that the fire is drawn into the cylinder. Then the valve is closed, generating a vacuum by cooling the hot gases inside the cylinder. With this vacuum, the piston is pulled towards the valve. When the piston approaches the valve, the vacuum effect ends, and the combustion gases are expelled. The valve vane is movable so that the gases can escape. Then the cycle is restarted.
► Conclusion:
The tractor has a nice design, works well with powdered graphite for cylinder lubrication and no wind. I inform you again that it is a decorative object, it works with the restrictions reported, I do not recommend that it be tested on steep slopes due to low engine torque. The differential is relatively fragile, with possible breakage if subjected to exaggeration.
I want to thank everyone who read this text description of this video, if you have any suggestions or even questions, leave your comment.
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