Conning Tower

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The conning tower is a drum placed at right angles to the main hull and at the halfway mark. It's where the pilot will sit inside and be able to look through a large forward perspex window and smaller rear window.

It will have two dashboards; a lower dash and an upper dash.

The lower dash will have mechanical dials that monitor the compressed air pressure that will be used for an ascent, as well as the logic circuitry for controlling a dive or ascent. It will also have; a clock; a battery drain display; oxygen and Co2 level indicator; outside pressure; speed (vertical and horizontal); levelness (accelerometer), and eventually sonar.

The upper dash bypasses the logic circuit and gives control over all 24 solenoid valves to manually control the sub in a dive or an ascent. It also tells the state of the valves and tank fullness when the logic circuit is operating the sub.

Fig. #1
17/02/2014

Fig. 1 shows how I cut the hole for the conning tower.  I had to raise it up on a level wooden platform then using a pencil taped to flat stick, I followed the contour of the towers drum, drawing a line on the hull.

Step two was to draw the hulls curve on the tower.

For this I measured the distance from where the tower is now (on the pinnacle of the hull) to where it would sit the lowest; the lowest being the part of the drum toward the edge of the hull.  It was about 20 cm, then using a stick and pencil again I followed the contour of the tower, but instead of drawing on the hull, I drew the line on the tower, which gave me a 20 cm high curve that would fit nicely over the hull.

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