Comparing 2 boards

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

Roberts Surfboards DIRTY BIRD

DIRTY BIRD

Roberts Surfboards

Length
5'6"–6'8"
Volume
—
Shape
shortboard
Fin setup
Thruster
Video
—
Christenson Surfboards Tradesman

Tradesman

Christenson Surfboards

Length
9'0"–10'0"
Volume
—
Shape
longboard
Fin setup
—
Video
3 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.