Measuring Mass Moment of Inertia of a Wheel - Brain Waves

  Рет қаралды 9,850

purdueMET

purdueMET

Күн бұрын

The mass moment of inertia of wheels affect performance of a car. The tire and rim combined have a complicated geometry, so it's hard to calculate the mass moment of inertia analytically. However, it's not hard to measure by simply rolling the wheel down a ramp. I show the calculations and do an experiment with a go cart wheel.

Пікірлер: 15
@eyeinthesky3013
@eyeinthesky3013 Ай бұрын
Fantastic explanation and experiment. I'm trying to understand the dynamics of riding electric unicycles and one of the biggest unknowns in the gyroscopic calculations is the moment of inertia of the rim and tire. This looks like the best way to measure it. Thank you so much for the video!
@NobodyOfNote-qv5wh
@NobodyOfNote-qv5wh 2 ай бұрын
Nice work, and relevant to a school project here in NZ!
@domantasplunge
@domantasplunge 5 жыл бұрын
Nice. I just was filling report of laboratory work in our university and found out it's all based on this video :D like we did everything step by step as You.
@user-le1dh2zh9z
@user-le1dh2zh9z 2 күн бұрын
Your amusing you make physics like game I wish to study in your claas
@danielapetrucci1189
@danielapetrucci1189 Жыл бұрын
Great video!! Well explained, helpful and practical!
@purdueMET
@purdueMET Жыл бұрын
Thanks:-) This one took me a while. I was pleased how it turned out, but wasn't sure anyone else would like it.
@jameson6930
@jameson6930 3 жыл бұрын
I wonder if cavemen were drawing stuff like this in the sand.
@purdueMET
@purdueMET 2 жыл бұрын
I hope so. That would be great :-)
@jameson6930
@jameson6930 2 жыл бұрын
@@purdueMET Why Not. Right?
@nathirrawashdeh8507
@nathirrawashdeh8507 3 жыл бұрын
Nice video. I think "ax = radius times alpha" should be "ax = radius times second derivative of alpha)"'
@zlnxid
@zlnxid 3 жыл бұрын
alpha is already the second derivative of theta (angular disposition)
@ErenGuerrier97
@ErenGuerrier97 2 жыл бұрын
repairing the rims with cnc cut gonna cause so much imbalance i guess
@purdueMET
@purdueMET 2 жыл бұрын
It might. Rims definitely need to be balanced.
@harisankar8018
@harisankar8018 5 жыл бұрын
can you explain more about finding the acceleration from experimental data.
@HollywoodF1
@HollywoodF1 4 жыл бұрын
Look up the QUADREG function in your TI-89.
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