Recent content by sniffy

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    How Much Torque and Horsepower Are Needed to Rotate a Steel Drum?

    Hi there, I posted essentially this question a quite awhile ago but the answer wasn't what I needed and then the post got hijacked so I'll try this again worded differently... I need to figure out the torque and hp required to rotate a steel drum, both for acceleration and to maintain its...
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    Force needed to rotate a drum/cylinder

    Cool, Now before I drag out my lava lamp powered abacus, let's make sure I understand the variable thingies here... For the MOI for a hollow cylinder (pipe tube), m= mass of the cylinder structure (in the example I stated 250lbs) r= radius of the cylinder (12" diameter, 6" radius) Only...
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    Force needed to rotate a drum/cylinder

    How do I calculate the HP (torque) needed to rotate a large cylinder mounted on bearings? The cylinder in question is a 8 foot long 12" diameter piece of pipe weighing a couple of hundred pounds, mounted on two end stubs with bearings. Its the business end of a large flail mower and this...
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