Waste not, want not. You did the work. There is no sense letting it go to waste.

: )

Your welcome. I might post the version I ended at. So people might modify it to work. @ProvingMars

At least you tried. Thank You, @FilenotFound

Sorry can't. The chain kept hitting the contraption. @ProvingMars

I think I can manage that. My design will have one round though. @ProvingMars

A Trebouchet that can release on its own throwing a block, or a bomb. Just load, tap the armature release, and off it goes.