Two trebuchet’ is just too much.
I love the idea but do not have the patience for them.

Paul as a boat builder I am sure that you know not to lose your temper.
As a teen and young adult I grew in Humlebæk Denmark and did an awful lot of sailing/racing. One of the boats was a S&S 34 footer, woodbuilt of course by my friends in their shipyard. This shop had several of what we called rueing chairs. To be used when a piece of wood would not do, what you wanted it do.
I am sure that your shop was outfitted the same, and therefore I know that you have a lot of patience.

Madts.
.

Tor and Odin are the greatest of gods.