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question: propellers torque, mass moment of inertia

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FlyingFist

Member
Joined
Sep 24, 2012
Messages
11
Location
Germany
Hello,

I read some stuff about how propeller works and the theory behind it.
How thrust and Torque are created which are explained in the blade element theory.

But one thing I dont understand, calculations for finding a propellers torque doesn´t include moment of inertia (MOI).
Torque=MOI x domega/dt
why is that?
If I have to find i.e the right motor for a given propeller do I have to include MOI + Torque (due to propeller drag)?

Thx.
 
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