Small Boat Design

Discussions around designing small boats including kayaks and canoes.

Max Section definition

Can someone clarify this for me: what is the definition of maximum section when determing max section area (Ax) and its corresponding coefficient (Cx)? It seems like it's one of the following:

1. The section with the maximum waterline beam.

2. The section with the maximum underwater area.

These two positions are likely to be near each other, but not necessarily so. I haven't been able to find a clear definition of which it is. Can someone shed some light on this?

Thanks,
Ross

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Max Section definition
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