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Re: "8" CIM drive?
This is really a case where modeling can be very useful. JVN's older drive calc is perfect here.
One can take the same drivetrain, and model it with different gear ratios and # of CIMS. You can then compare whatever you're concerned with; -Time to reach a certain speed -Current draw at slip, during acceleration, at top speed -Top Speed -Total power used during acceleration (current draw * voltage) You can then compare with actual (modeled) data which beats speculation. You'll start to notice some trends (that are partially a matter of opinion) like after 16-18ish fps, acceleration tanks with a 4 CIM drive, and at about 10-12 fps adding a 3rd CIM just isn't a huge performance gain aside from requiring less current per motor to slip wheels. Don't take my word for it though, model away! |
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