Thread: The shape of prime base
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  #12  
Old 12-12-2018, 11:26 AM
Desert Mariner Desert Mariner is offline
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Join Date: Oct 2018
Location: Lost Pines
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I may be oversimplifying things but if the tunnel is circular, would you really need to 180 the rig or would you just drive around the circle and save a lot of tunneling?
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