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Iowa | Without some form of active feedback loop actively controlling the hydraulic flow to each motor, I would be very concerned about system variables causing differences in operating speed of the row unit meters. On the other hand, another option for you to explore would be a manifold that offers both pressure and flow compensation for each port (motor).
There is work going on with utilizing an electric motor on each metering assembly.
Edited by Jacob Bolson 6/12/2009 21:55
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Hydraulic Drives to control Planter sections
