: When aligning the forms on the strongback, how do i keep the forms
: vertical (Seen from the side of the kayak, not the end)?
: In this article:
: http://home.earthlink.net/~friendship.kayak/data/12ways.html,
: Mike Scarborough describes this as the 7th and 8th ways of
: misalignment
: I know how to find the vertical position of the forms (for example
: with a level), but not how to make the stay there.
: I plan to use an external strongback.

: Palle Dam, Denmark

Palle,
here's one way. I used clamps to hold the piece vertical while screwing it to the strongback.
Held og lykke!
Tony Olsen