Russian Typhoon Submarine

Bilge Pump and Check Valve Installation

	A front view of the approximate position for the aft bilge pump. You can also see one (1) of the two (2) servo motors which will also be installed. One servo will operate the stern planes, and the other will operate the rudders. An automatic pitch controller (APC-3) will also be installed just to the rear of the servo motors.
Here is the rear view for the above photograph. You can see the water sensor to be installed on the outer edge of the board and the wire leads to be connected to the common pole terminal block. This will provide the 12 volts of power needed to operate the pump. And, of course, the light bulb is still waiting for it´s home. Maybe inside the watertight container ... maybe topside on the deck ... maybe scrapped altogether in lieu of an alarm sounding device ... not sure yet!
	I manufactured an additional piece of Celtec to surround the bilge pump and attached it to the board. The pump intake is well below the board and actually rests on the bottom of the WTC. If you haven´t already noticed from this pic, I´ve also completed the clear top of the WTC less the O-ring gasket. For details on how this was accomplished, please visit the Propulsion pages.
I moved the water sensor to the edge of the board and attached it with CA glue. A drop on each side of the U-shaped sensor was all that was needed. As with the pump, the sensor extends below the board, but unlike the pump, it does not rest on the bottom of the WTC. The sensor is actually about 1/16" higher than the bottom as per instructions from the manufacturer.
	The bilge pump and water sensor for the forward WTC were installed in much the same way as the ones in the aft WTC. Here, you can see the pump in the corner of the electronics board, and the sensor on the back of the board just to the right of the bow planes servo. Next Step - Part 2b - Automatic Depth Control (ADC-1) Installation

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