November 2013
I want to rotate one 40 lb metal triangle up 90°. Its base will be connected by a hinge to the base of another triangle. The base is 67.88"; the other legs being 48", and a height of 57.87". By rotating the apex of the triangle 90°, the apex would travel an arc by 8.18 ft. I intend to use two sprockets and a chain connected to a motor. What size motor will I need to use to complete this and how is it determined? I understand w = fd and P = fd/t. I would like the time to be six seconds.
Can someone please help with the answer and also show me how to figure this problem out for myself?
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