R300 3rd Open Water Test
On 10/21/09 we took the R300, my Dad’s homemade submarine, out to Medina Lake for it’s 3rd open water test. Several firsts were accomplished, including the first successful operation of the variable ballast tank with it’s new level sensor, the trim weight system with its new position sensor, the manual depth gauge, cabin overpressure valve, new hydraulic system, expanded yaw movement to shorten turning radius, new main and variable ballast tank motorized balls valves, and rebuild jet pump and mo...
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