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Seacoast International Submarine Team

Seacoast International Submarine Team. Langdon Tarbell, Ryan Forbes, Matt Crist , Tyler Dutile, Sean LaMontagne , Mike Cargill. Hull. The hull is made of many layers of fiberglass with a foam core. Construction of the hull

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Seacoast International Submarine Team

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  1. Seacoast International Submarine Team Langdon Tarbell, Ryan Forbes, Matt Crist, Tyler Dutile, Sean LaMontagne, Mike Cargill

  2. Hull The hull is made of many layers of fiberglass with a foam core. Construction of the hull The hull was constructed using plywood ribs spaced 6 inches apart to create the general shape of the sub. We chose the foam core construction method because would help create a strong righting point as well as a more robust frame.

  3. Safety and Life Support • Safety • The safety buoy is a positively buoyant cutout of the hull. It has been attached to a spool of cord that will act as a dead-man switch. • The positively buoyant hatch will open when the hatch release is pulled. • Life Support • SCUBA • Spare Air

  4. Propulsion • Power unit • Consists of a bicycle drive system mounted upside down and a right angle gear. This unit is mounted to an aluminum plate that is fiberglassed to the hull . • CW-CW Right Angle Gear • Transfers the motion from the bicycle to the shaft. • Shaft • A universal Joint attached to a steel pipe supported by a Teflon bearing with dual propellers attached to the end of the shaft.

  5. Propulsion (Cont.) Dual Propeller • Impeller • The impeller is used to increase the amount of water that is pushed over the blades of the propeller. • Propeller • We took the idea of a basic 2 bladed boat propeller and modified it to suit our specifications. • IE- power, input, RPM, pitch,

  6. Controls and Control Surfaces • Dive Plans • The dive planes are controlled by the movement of a curved piece of steel bolted to the shaft that extends from the planed. • Rudders • The rudders are controlled by a cable with one end attached to a rudder ring on one end and an actuator. • Stern Planes • They are fixed to counteract the rotational torque from the propeller.

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