How to approach the design for a boat step by step?

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Discussion Overview

The discussion revolves around the design of pontoon boats, specifically comparing dual-hulled and single-hulled designs. Participants explore concepts such as center of gravity, center of buoyancy, buoyancy, volume of displacement, metacenter, and metacentric height, seeking to understand the differences in design approaches and relevant formulas.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about the differences in designing dual-hulled versus single-hulled boats and requests formulas and examples.
  • Another participant suggests that there is mostly no difference between the two designs and asks about the original poster's research findings.
  • A third participant provides an example of a specific boat design, highlighting features such as compartmentalized pontoons that enhance safety.
  • One participant agrees with the previous point, emphasizing that the stability characteristics are similar but warns against neglecting the effects of both hulls in calculations, noting potential performance challenges due to wave interactions.

Areas of Agreement / Disagreement

Participants express differing views on whether there are significant differences in the design approaches for dual-hulled versus single-hulled boats. While some assert that the principles of stability are largely the same, others highlight specific considerations unique to multi-hull designs.

Contextual Notes

Participants mention the importance of considering both hulls in calculations and the potential impact of wave interactions on performance, indicating that further research and specific formulas are necessary for a comprehensive understanding.

Who May Find This Useful

Individuals interested in boat design, particularly those focusing on stability and performance characteristics of different hull types, may find this discussion relevant.

Ripcord96
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Two pontoon boat design approach and how to find center of gravity, center of buoyancy, buoyancy, volume of displacement, meta center, meta centric height.

I need to know is there a different approach to designing dual hulled boat than a single hulled boat and all the formulas and examples I can get please.

Thank you in advance!
 

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Mostly, there is no difference, single hull - multi hull. What has your research told you so far?
 
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Anorlunda is correct. There is no difference in determining the characteristics of the stability profile. Do be very careful that you do not fall into the common mistake of calculating one hull and not consider the other hull. The supplemental effect is amplified by the separation of the two.
The only real difference is that the wave interaction between the hulls at speed creates an unusual resistance interaction which can lead to performance challenges. What research you have done and the formulas you have found will help with finding where you are at.
 

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