Comparing 2 boards

These two are a long way apart on volume, so they are not really alternatives to each other.

HC Surfboards Mid Channel Twin

Mid Channel Twin

HC Surfboards

Length
5'7"–6'4"
Volume
—
Shape
egg
Fin setup
Twin
Video
—
Christenson Surfboards Submariner

Submariner

Christenson Surfboards

Length
6'4"–7'6"
Volume
—
Shape
shortboard
Fin setup
—
Video
2 clips
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Up to 4 boards at a time. Volume and length are the shaper's published ranges across all sizes of the model, not a single board.