Mishigami Fireboat / Icebreaker EN 476 Capstone Ship Design II United States Naval Academy Paul Mallory Jason Murphy Mathieu Roa Evan Rutherford

Background/Motivation Shipboard and pier- side fires Need up-to-date equipment to combat these fires Fireboats still in service on Great Lakes: Mostly built prior to WWII

Parametrics

Mission Statement Fireboat with ice breaking capabilities Operated on the Lower Great Lakes Ability to service any large port or waterside city Operated year round The vessel will be made of steel Built for maneuverability, power, and ease of station maintenance

Principal Dimensions

Lines Plan

Intact Stability Curve

Stability Analysis

Stability Analysis (Cont.)

Floodable Length

Model Resistance Testing High Speed Run

Model Resistance Testing Initial Sectional Area Curve

Model Resistance Testing Revised Sectional Area Curve

Model Resistance Testing Theoretical vs. Experimental EHP Curves

Engine Selection John Deere –6135SFM Marine Engine Power Requirements –272 kW per engine –545 kW total Power Delivery –416 kW per engine –832 kW total

General Arrangements

Weights & Moments

Midships Construction

Design Features Remotely operated monitors Controls isolated from exterior environment Fire monitor pump system

Fire Monitor Piping Schematic

Next Design Iteration Ice classification and regulations Further analysis for compliance with accepted fireboat regulations Further model testing in irregular seaways Further hvac analysis

Acknowledgements Ms. Dina Kowalyshyn and the whole new Chicago Fireboat Team Professor Paul Miller Adjunct Professor Paul Cojeen