"tortured ply" method is a more developped form of the general "stitch and glue" building method.

In effect the first uses "stitch and glue" as well but adds steaming to the proced in order to end up with a more (complex) curved surfaces.

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I wonder which is lighter and which is stronger.


Hard to say, dependents on the specific design.

Wouter

Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands