This Car Travels Farther Than You Push It
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Published 2024-03-15
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#3dprinting #physics #engineering #motor #electric #motor #electricvehicle #generator
All Comments (21)
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Finally! The external combustion engine has arrived!
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Your car is 100% efficient, it's just also ever so slightly heating up your room.
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There is something incredibly funny about your durdling little car at the end that manages to be sopping wet, made of cheap plastic, and on fire, all at the same time.
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50 years ago, for a high school science project, I cobbled together a toy car with an electric motor connected to the wheels and driven as a generator, to demonstrate electric braking into a resistive load. With switch open, my toy car went fast down a ramp. With switch closed, the car went slow down the ramp. I give Tom an A++ for an excellent project!
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As someone who works with 44awg wire all the time, a trick we use to make soldering them easier is to just tie a knot where you want the solder to go, flame it to burn away the enamel, solder. Works well enough and saves a lot of headache.
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100% guarantee the discussion on work applied via the push or through the ramp will be a regular question on physics exams now. You even had me scratching my head until you broke out the force arrows, awesome demo!
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How it evolved from nothing into absolute silly invention just because is so amazing. Love it
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This is just a more complicated version of the old "friction drive" toy cars which used a mechanical flywheel to store some of the energy imparted by the initial push to keep the toy car running for some time after you let it go.
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As a retired Engineer, I've always really liked your videos. This one is very interesting. Thank you.
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You should keep the capacitor in the peltier module powered car. The motor draws power in short bursts when a magnet passes the reed switch. And so when the motor is not drawing current the thermoelectric generator is still converting heat into electric current and charging the capacitor. Otherwise, when the reed switch is open, the thermoelectric generator is unable to convert the energy because the current has nowhere to flow.
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I love this video! I am a mechanical engineering student right now, and this video takes some concepts I have learned in dynamics, circuits, and thermo and combines them into two fun projects!
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I’m sure the shot at 5:33 was a labor of love to get right, the motion track/stabilization resolve is pretty great and it almost looked like you had a camera dolly/on tracks. the graphics pointing to things and being able to see how the pieces moved in concert was so nice. great job!
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every toy car maker should be taking notes - the right implication of this could make self propelled toy cars exponentially more fun
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This is a really elegant and unique way to demonstrate conservation of energy, work, and power. Thanks for sharing.
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Awesome video as usual! Thank you for taking the time to film, produce and share it with us!
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Bro that was awesome. Such simple concepts, so well explained and visual.. I am astonished. Awesome job!
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Glad to see the peltier car final go! I never realized how far away I was!
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That generator trike is strikingly beautiful AND incredibly fascinating... Bravo mate!
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Fantastic explanation! I understood that you should use a ramp for the experiment but couldn't quite figure out why until you explained that the energy require to push each car was different.
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I get the impression you enjoyed making this video a lot. Thanks for sharing!
