1st place Mousetrap Car Ideas- using SCIENCE

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What if, for a speed car, you make a โ€œtransmissionโ€ by changing the thickness of the axle from small on one side to big on the other side, and then constantly being able to give the car power without having a mechanical disadvantage

The funny thing is I'm in 8th grade and in the next few weeks I have to choose a partner and we're going to be making a mousetrap car

Back in the 10th grade when i made one, I made a cone shaped pulley on the axle so the string would start out on a larger diameter and end on the smallest. The result was a car which lept far ahead of the other cars straight off the line, it went furthest and fastest of all classes!

Now I can finish my physics work easily thanks Mark , by the way I could study Physics and Science with you on YouTube.

GOOD IDEA ๐Ÿค๐Ÿป๐Ÿค๐Ÿป๐Ÿ‘๐Ÿ‘๐Ÿ””๐Ÿ””๐Ÿ‘‰๐Ÿ‘‰LIKE๐Ÿ‘ˆ๐Ÿ‘ˆ๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„

You can roll a car but your mind keeps you from doing it so you donโ€™t break your bones and tear your muscles

We built similar cars back in 1975 in engineering school, using small weights or mouse-traps – but our race was a 30' out-and-return speed event. A bunch of colleges did the distance runs back then – winners from each school went to mcCormick Place in Chicago for the run-offs – I think the MIT guys won with a car that traversed almost the full length of McCormick exhibition hall – some 1,200 feet!

So basically you need to make your tyre slip. But use a rubbery or soft wheel so it doesnt slip and wasting the energy. Its like a trade. And also reduce friction with graphite or bearing. But the problem when using bearing is because of rule no.4 . You must reduce the weight so it got lower friction. Graphite is the better choice. Lastly keep your wheels small.

So its like this
Slip tyre (+,-)
Rubbery tyre (reduce tyre slipping (+)
Bearing or graphite (+) (-) if you uses bearing)
(If you use bearing : reduce weight but not less or not much)
Small wheels (+)

Some guy: Gets a world record
Mark: casually beats record
The guy: well I guess I have to go cry in a closet because this random guy beat the only thing Iโ€™m know for.

I literally use the mechanical advantage equation so much in my after school class robotics called vex it is actually pretty easy

I watched this when it came out and I didnโ€™t understand anything but know I learned all this is science call and I actually donโ€™t feel like he is speaking in another language

Me and my team won all of our engineering challenges in our our Principals of Engineering class except for the mousetrap car ๐Ÿ™

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