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‫Welcome back.

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‫So the angular momentum, values and the direction for M2 and and for are the following, they will

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‫both point down.

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‫And so the angular momentum for each sub two is G t p times or Omega to.

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‫And age four equals Jessopp teep times Omega four.

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‫And remember, these are are simply the angle of velocities of the propellers about their respective

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‫body frame Z axis.

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‫So your M2 and M4 have negative, angular momentum.

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‫Now, just to clarify something, the Motors, M2 and M4, they still produce an upward force called

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‫thrust.

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‫OK, you have your T two here and then you have your T for here, just like in three and M one.

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‫So T one here and T three here.

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‫And that's because the blades are aerodynamically manufactured like that that they produce up for force

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‫when M1 and M3 rotate counterclockwise and M2 and then for rotate clockwise.

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‫In all cases the blades are designed in such a way that they all produce an upward force.

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‫But because you rotate M to an M4 clockwise, then we say that they rotate at minus omega two radians

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‫per second and minus Omega for radians per second.

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‫So I guess I should put here minus here and also a minus here.

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‫And then minus means that the direction of the angular momentum vector is down.

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‫However, even though their rotation is at negative, angular velocity, still the blades of two and

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‫four are designed in such a way that the thrust force will point up.

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‫Otherwise the drone wouldn't be able to lift itself from the ground.

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‫And of course, in case of M1 and M3, the rotors rotate at positive or negative one radians per second

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‫and that positive omega three radians per second.

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‫So in conclusion, the propeller's that the drone has produced angular momentum values.

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‫They produce H1, H2, H3 and H for H1 and H3, their positive H2 and then H four are negative.

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‫And so their angular momentum vectors depend on two things.

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‫The magnitude and the direction of their omega's.